diff --git a/docs/bench/ach/data.js b/docs/bench/ach/data.js
index 901543e..5847997 100644
--- a/docs/bench/ach/data.js
+++ b/docs/bench/ach/data.js
@@ -1,5 +1,5 @@
 window.BENCHMARK_DATA = {
-  "lastUpdate": 1735693948844,
+  "lastUpdate": 1735779964245,
   "repoUrl": "https://github.com/moov-io/benchmarks",
   "entries": {
     "moov-io/ach Benchmarks": [
@@ -62894,6 +62894,682 @@ window.BENCHMARK_DATA = {
             "extra": "41960488 times\n4 procs"
           }
         ]
+      },
+      {
+        "commit": {
+          "author": {
+            "name": "github-action-benchmark",
+            "username": "github",
+            "email": "github@users.noreply.github.com"
+          },
+          "committer": {
+            "name": "github-action-benchmark",
+            "username": "github",
+            "email": "github@users.noreply.github.com"
+          },
+          "id": "b2fb92ac96920a1737592d01e71c75346447555f",
+          "message": "add moov-io/watchman Benchmarks (go) benchmark result for de8fecf1334b4e63841a4b984f41800f8b2d4113",
+          "timestamp": "2025-01-01T12:22:06Z",
+          "url": "https://github.com/moov-io/benchmarks/commit/b2fb92ac96920a1737592d01e71c75346447555f"
+        },
+        "date": 1735779964219,
+        "tool": "go",
+        "benches": [
+          {
+            "name": "BenchmarkBuildFile",
+            "value": 12200,
+            "unit": "ns/op\t    9674 B/op\t      99 allocs/op",
+            "extra": "98089 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkBuildFile - ns/op",
+            "value": 12200,
+            "unit": "ns/op",
+            "extra": "98089 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkBuildFile - B/op",
+            "value": 9674,
+            "unit": "B/op",
+            "extra": "98089 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkBuildFile - allocs/op",
+            "value": 99,
+            "unit": "allocs/op",
+            "extra": "98089 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkPPDDebitRead",
+            "value": 39590,
+            "unit": "ns/op\t   21523 B/op\t      61 allocs/op",
+            "extra": "30266 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkPPDDebitRead - ns/op",
+            "value": 39590,
+            "unit": "ns/op",
+            "extra": "30266 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkPPDDebitRead - B/op",
+            "value": 21523,
+            "unit": "B/op",
+            "extra": "30266 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkPPDDebitRead - allocs/op",
+            "value": 61,
+            "unit": "allocs/op",
+            "extra": "30266 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkWEBDebitRead",
+            "value": 74115,
+            "unit": "ns/op\t   25388 B/op\t     136 allocs/op",
+            "extra": "16768 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkWEBDebitRead - ns/op",
+            "value": 74115,
+            "unit": "ns/op",
+            "extra": "16768 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkWEBDebitRead - B/op",
+            "value": 25388,
+            "unit": "B/op",
+            "extra": "16768 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkWEBDebitRead - allocs/op",
+            "value": 136,
+            "unit": "allocs/op",
+            "extra": "16768 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkPPDDebitFixedLengthRead",
+            "value": 30541,
+            "unit": "ns/op\t   20931 B/op\t      54 allocs/op",
+            "extra": "37650 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkPPDDebitFixedLengthRead - ns/op",
+            "value": 30541,
+            "unit": "ns/op",
+            "extra": "37650 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkPPDDebitFixedLengthRead - B/op",
+            "value": 20931,
+            "unit": "B/op",
+            "extra": "37650 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkPPDDebitFixedLengthRead - allocs/op",
+            "value": 54,
+            "unit": "allocs/op",
+            "extra": "37650 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkACHFileRead",
+            "value": 289230,
+            "unit": "ns/op\t   56272 B/op\t     743 allocs/op",
+            "extra": "3940 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkACHFileRead - ns/op",
+            "value": 289230,
+            "unit": "ns/op",
+            "extra": "3940 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkACHFileRead - B/op",
+            "value": 56272,
+            "unit": "B/op",
+            "extra": "3940 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkACHFileRead - allocs/op",
+            "value": 743,
+            "unit": "allocs/op",
+            "extra": "3940 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkACHFileRead2",
+            "value": 290085,
+            "unit": "ns/op\t   56274 B/op\t     743 allocs/op",
+            "extra": "4092 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkACHFileRead2 - ns/op",
+            "value": 290085,
+            "unit": "ns/op",
+            "extra": "4092 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkACHFileRead2 - B/op",
+            "value": 56274,
+            "unit": "B/op",
+            "extra": "4092 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkACHFileRead2 - allocs/op",
+            "value": 743,
+            "unit": "allocs/op",
+            "extra": "4092 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkACHFileRead3",
+            "value": 96227,
+            "unit": "ns/op\t   27427 B/op\t     199 allocs/op",
+            "extra": "12517 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkACHFileRead3 - ns/op",
+            "value": 96227,
+            "unit": "ns/op",
+            "extra": "12517 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkACHFileRead3 - B/op",
+            "value": 27427,
+            "unit": "B/op",
+            "extra": "12517 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkACHFileRead3 - allocs/op",
+            "value": 199,
+            "unit": "allocs/op",
+            "extra": "12517 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkPPDWrite",
+            "value": 43410,
+            "unit": "ns/op\t   31569 B/op\t     129 allocs/op",
+            "extra": "27499 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkPPDWrite - ns/op",
+            "value": 43410,
+            "unit": "ns/op",
+            "extra": "27499 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkPPDWrite - B/op",
+            "value": 31569,
+            "unit": "B/op",
+            "extra": "27499 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkPPDWrite - allocs/op",
+            "value": 129,
+            "unit": "allocs/op",
+            "extra": "27499 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkLargeWEBWrite",
+            "value": 232193,
+            "unit": "ns/op\t   53858 B/op\t    2040 allocs/op",
+            "extra": "5136 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkLargeWEBWrite - ns/op",
+            "value": 232193,
+            "unit": "ns/op",
+            "extra": "5136 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkLargeWEBWrite - B/op",
+            "value": 53858,
+            "unit": "B/op",
+            "extra": "5136 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkLargeWEBWrite - allocs/op",
+            "value": 2040,
+            "unit": "allocs/op",
+            "extra": "5136 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkFileWriteErr",
+            "value": 5520,
+            "unit": "ns/op\t    6145 B/op\t      25 allocs/op",
+            "extra": "208567 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkFileWriteErr - ns/op",
+            "value": 5520,
+            "unit": "ns/op",
+            "extra": "208567 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkFileWriteErr - B/op",
+            "value": 6145,
+            "unit": "B/op",
+            "extra": "208567 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkFileWriteErr - allocs/op",
+            "value": 25,
+            "unit": "allocs/op",
+            "extra": "208567 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkIATWrite",
+            "value": 149936,
+            "unit": "ns/op\t   57105 B/op\t     610 allocs/op",
+            "extra": "7710 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkIATWrite - ns/op",
+            "value": 149936,
+            "unit": "ns/op",
+            "extra": "7710 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkIATWrite - B/op",
+            "value": 57105,
+            "unit": "B/op",
+            "extra": "7710 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkIATWrite - allocs/op",
+            "value": 610,
+            "unit": "allocs/op",
+            "extra": "7710 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkPPDIATWrite",
+            "value": 231380104,
+            "unit": "1210428822501030105A094101Federal Reserve Bank   My Bank Name                   ",
+            "extra": "101 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkPPDIATWrite - 1210428822501030105A094101Federal",
+            "value": 231380104,
+            "unit": "1210428822501030105A094101Federal",
+            "extra": "101 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkPPDIATWrite - Bank",
+            "value": null,
+            "unit": "Bank",
+            "extra": "101 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkPPDIATWrite - Bank",
+            "value": null,
+            "unit": "Bank",
+            "extra": "101 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkPPDIATWrite - ",
+            "value": null,
+            "unit": "",
+            "extra": "101 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkAlphaFieldShort",
+            "value": 1247,
+            "unit": "ns/op\t      96 B/op\t       4 allocs/op",
+            "extra": "933506 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkAlphaFieldShort - ns/op",
+            "value": 1247,
+            "unit": "ns/op",
+            "extra": "933506 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkAlphaFieldShort - B/op",
+            "value": 96,
+            "unit": "B/op",
+            "extra": "933506 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkAlphaFieldShort - allocs/op",
+            "value": 4,
+            "unit": "allocs/op",
+            "extra": "933506 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkAlphaFieldLong",
+            "value": 110.8,
+            "unit": "ns/op\t      16 B/op\t       1 allocs/op",
+            "extra": "10693198 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkAlphaFieldLong - ns/op",
+            "value": 110.8,
+            "unit": "ns/op",
+            "extra": "10693198 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkAlphaFieldLong - B/op",
+            "value": 16,
+            "unit": "B/op",
+            "extra": "10693198 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkAlphaFieldLong - allocs/op",
+            "value": 1,
+            "unit": "allocs/op",
+            "extra": "10693198 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkNumericFieldShort",
+            "value": 71.99,
+            "unit": "ns/op\t      16 B/op\t       2 allocs/op",
+            "extra": "16424528 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkNumericFieldShort - ns/op",
+            "value": 71.99,
+            "unit": "ns/op",
+            "extra": "16424528 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkNumericFieldShort - B/op",
+            "value": 16,
+            "unit": "B/op",
+            "extra": "16424528 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkNumericFieldShort - allocs/op",
+            "value": 2,
+            "unit": "allocs/op",
+            "extra": "16424528 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkNumericFieldLong",
+            "value": 31.08,
+            "unit": "ns/op\t       8 B/op\t       1 allocs/op",
+            "extra": "37699118 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkNumericFieldLong - ns/op",
+            "value": 31.08,
+            "unit": "ns/op",
+            "extra": "37699118 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkNumericFieldLong - B/op",
+            "value": 8,
+            "unit": "B/op",
+            "extra": "37699118 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkNumericFieldLong - allocs/op",
+            "value": 1,
+            "unit": "allocs/op",
+            "extra": "37699118 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkParseNumField",
+            "value": 13.65,
+            "unit": "ns/op\t       0 B/op\t       0 allocs/op",
+            "extra": "85835834 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkParseNumField - ns/op",
+            "value": 13.65,
+            "unit": "ns/op",
+            "extra": "85835834 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkParseNumField - B/op",
+            "value": 0,
+            "unit": "B/op",
+            "extra": "85835834 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkParseNumField - allocs/op",
+            "value": 0,
+            "unit": "allocs/op",
+            "extra": "85835834 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkParseStringField",
+            "value": 5.908,
+            "unit": "ns/op\t       0 B/op\t       0 allocs/op",
+            "extra": "203145069 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkParseStringField - ns/op",
+            "value": 5.908,
+            "unit": "ns/op",
+            "extra": "203145069 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkParseStringField - B/op",
+            "value": 0,
+            "unit": "B/op",
+            "extra": "203145069 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkParseStringField - allocs/op",
+            "value": 0,
+            "unit": "allocs/op",
+            "extra": "203145069 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles",
+            "value": 302212,
+            "unit": "ns/op\t   56824 B/op\t     637 allocs/op",
+            "extra": "4212 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles - ns/op",
+            "value": 302212,
+            "unit": "ns/op",
+            "extra": "4212 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles - B/op",
+            "value": 56824,
+            "unit": "B/op",
+            "extra": "4212 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles - allocs/op",
+            "value": 637,
+            "unit": "allocs/op",
+            "extra": "4212 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles_ValidateOpts",
+            "value": 298812,
+            "unit": "ns/op\t   56834 B/op\t     637 allocs/op",
+            "extra": "4113 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles_ValidateOpts - ns/op",
+            "value": 298812,
+            "unit": "ns/op",
+            "extra": "4113 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles_ValidateOpts - B/op",
+            "value": 56834,
+            "unit": "B/op",
+            "extra": "4113 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles_ValidateOpts - allocs/op",
+            "value": 637,
+            "unit": "allocs/op",
+            "extra": "4113 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeDir",
+            "value": 198993,
+            "unit": "ns/op\t   57029 B/op\t     640 allocs/op",
+            "extra": "6250 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeDir - ns/op",
+            "value": 198993,
+            "unit": "ns/op",
+            "extra": "6250 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeDir - B/op",
+            "value": 57029,
+            "unit": "B/op",
+            "extra": "6250 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeDir - allocs/op",
+            "value": 640,
+            "unit": "allocs/op",
+            "extra": "6250 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeDir_ValidateOpts",
+            "value": 170556,
+            "unit": "ns/op\t   57064 B/op\t     640 allocs/op",
+            "extra": "6756 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeDir_ValidateOpts - ns/op",
+            "value": 170556,
+            "unit": "ns/op",
+            "extra": "6756 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeDir_ValidateOpts - B/op",
+            "value": 57064,
+            "unit": "B/op",
+            "extra": "6756 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeDir_ValidateOpts - allocs/op",
+            "value": 640,
+            "unit": "allocs/op",
+            "extra": "6756 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles_3Groups",
+            "value": 369166,
+            "unit": "ns/op\t   62534 B/op\t     697 allocs/op",
+            "extra": "3381 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles_3Groups - ns/op",
+            "value": 369166,
+            "unit": "ns/op",
+            "extra": "3381 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles_3Groups - B/op",
+            "value": 62534,
+            "unit": "B/op",
+            "extra": "3381 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles_3Groups - allocs/op",
+            "value": 697,
+            "unit": "allocs/op",
+            "extra": "3381 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles_5Groups",
+            "value": 366649,
+            "unit": "ns/op\t   62544 B/op\t     697 allocs/op",
+            "extra": "3442 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles_5Groups - ns/op",
+            "value": 366649,
+            "unit": "ns/op",
+            "extra": "3442 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles_5Groups - B/op",
+            "value": 62544,
+            "unit": "B/op",
+            "extra": "3442 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles_5Groups - allocs/op",
+            "value": 697,
+            "unit": "allocs/op",
+            "extra": "3442 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles_10Groups",
+            "value": 352457,
+            "unit": "ns/op\t   62551 B/op\t     697 allocs/op",
+            "extra": "3603 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles_10Groups - ns/op",
+            "value": 352457,
+            "unit": "ns/op",
+            "extra": "3603 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles_10Groups - B/op",
+            "value": 62551,
+            "unit": "B/op",
+            "extra": "3603 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles_10Groups - allocs/op",
+            "value": 697,
+            "unit": "allocs/op",
+            "extra": "3603 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles_100Groups",
+            "value": 347899,
+            "unit": "ns/op\t   62491 B/op\t     697 allocs/op",
+            "extra": "4124 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles_100Groups - ns/op",
+            "value": 347899,
+            "unit": "ns/op",
+            "extra": "4124 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles_100Groups - B/op",
+            "value": 62491,
+            "unit": "B/op",
+            "extra": "4124 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkMergeFiles/MergeFiles_100Groups - allocs/op",
+            "value": 697,
+            "unit": "allocs/op",
+            "extra": "4124 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkCalculateCheckDigit/valid",
+            "value": 28.95,
+            "unit": "ns/op\t       0 B/op\t       0 allocs/op",
+            "extra": "42863865 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkCalculateCheckDigit/valid - ns/op",
+            "value": 28.95,
+            "unit": "ns/op",
+            "extra": "42863865 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkCalculateCheckDigit/valid - B/op",
+            "value": 0,
+            "unit": "B/op",
+            "extra": "42863865 times\n4 procs"
+          },
+          {
+            "name": "BenchmarkCalculateCheckDigit/valid - allocs/op",
+            "value": 0,
+            "unit": "allocs/op",
+            "extra": "42863865 times\n4 procs"
+          }
+        ]
       }
     ],
     "moov-io/ach": [