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Loans Held for Investment and Allowance for Credit Losses on Loans - Gross Loans Held for Investment by Year of Origination and Internally Assigned Credit Grades (Detail) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | $ 2,264,479 | $ 2,297,658
Fiscal year before current fiscal year | 1,428,113 | 1,023,819
Two years before current fiscal year | 752,483 | 747,672
Three years before current fiscal year | 541,762 | 372,852
Four years before current fiscal year | 242,342 | 233,568
Prior | 589,317 | 583,158
Revolving Loans Amortized Cost Basis | 1,125,067 | 910,715
Total Loans | 6,943,563 | 6,169,442
Farmland [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Total Loans | 261,518 |
Real Estate [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Total Loans | 6,943,563 |
Real Estate [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 206,690 | 189,699
Fiscal year before current fiscal year | 181,587 | 164,908
Two years before current fiscal year | 134,343 | 136,895
Three years before current fiscal year | 112,408 | 68,266
Four years before current fiscal year | 53,126 | 48,048
Prior | 150,482 | 133,071
Revolving Loans Amortized Cost Basis | 67,825 | 34,667
Total Loans | 906,461 | 775,554
Real Estate [Member] | Commercial Real Estate Owner Occupied [Member] | Grade 1 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 171,615 | 153,887
Fiscal year before current fiscal year | 145,317 | 130,835
Two years before current fiscal year | 106,803 | 113,830
Three years before current fiscal year | 91,892 | 59,163
Four years before current fiscal year | 44,086 | 37,647
Prior | 119,755 | 102,438
Revolving Loans Amortized Cost Basis | 53,026 | 25,128
Total Loans | 732,494 | 622,928
Real Estate [Member] | Commercial Real Estate Owner Occupied [Member] | Grade 2 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 34,800 | 35,475
Fiscal year before current fiscal year | 34,283 | 33,198
Two years before current fiscal year | 27,153 | 21,570
Three years before current fiscal year | 18,072 | 8,397
Four years before current fiscal year | 8,528 | 9,936
Prior | 29,077 | 29,191
Revolving Loans Amortized Cost Basis | 14,737 | 9,152
Total Loans | 166,650 | 146,919
Real Estate [Member] | Commercial Real Estate Owner Occupied [Member] | Grade 3 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 235 |
Fiscal year before current fiscal year | 1,718 | 275
Two years before current fiscal year | 387 | 605
Three years before current fiscal year | 1,334 | 261
Four years before current fiscal year | 332 | 465
Prior | 1,161 | 1,071
Revolving Loans Amortized Cost Basis | 62 | 62
Total Loans | 5,229 | 2,739
Real Estate [Member] | Commercial Real Estate Owner Occupied [Member] | Grade 4 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 40 | 337
Fiscal year before current fiscal year | 269 | 600
Two years before current fiscal year |  | 890
Three years before current fiscal year | 1,110 | 445
Four years before current fiscal year | 180 |
Prior | 489 | 371
Revolving Loans Amortized Cost Basis |  | 325
Total Loans | 2,088 | 2,968
Real Estate [Member] | Commercial Real Estate Non-Owner Occupied [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 473,474 | 313,768
Fiscal year before current fiscal year | 290,050 | 256,098
Two years before current fiscal year | 199,599 | 168,595
Three years before current fiscal year | 157,732 | 90,446
Four years before current fiscal year | 48,737 | 57,005
Prior | 138,615 | 155,820
Revolving Loans Amortized Cost Basis | 77,100 | 53,592
Total Loans | 1,385,307 | 1,095,324
Real Estate [Member] | Commercial Real Estate Non-Owner Occupied [Member] | Grade 1 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 350,425 | 252,718
Fiscal year before current fiscal year | 239,477 | 204,892
Two years before current fiscal year | 170,415 | 114,429
Three years before current fiscal year | 108,095 | 51,440
Four years before current fiscal year | 23,754 | 37,305
Prior | 66,564 | 118,264
Revolving Loans Amortized Cost Basis | 45,172 | 29,257
Total Loans | 1,003,902 | 808,305
Real Estate [Member] | Commercial Real Estate Non-Owner Occupied [Member] | Grade 2 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 115,372 | 53,548
Fiscal year before current fiscal year | 50,573 | 51,206
Two years before current fiscal year | 29,031 | 50,912
Three years before current fiscal year | 46,904 | 38,850
Four years before current fiscal year | 24,877 | 19,466
Prior | 70,686 | 36,808
Revolving Loans Amortized Cost Basis | 31,928 | 24,335
Total Loans | 369,371 | 275,125
Real Estate [Member] | Commercial Real Estate Non-Owner Occupied [Member] | Grade 3 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 7,677 | 7,095
Two years before current fiscal year | 153 | 3,254
Three years before current fiscal year | 2,733 | 121
Four years before current fiscal year | 64 | 234
Prior | 1,318 | 656
Total Loans | 11,945 | 11,360
Real Estate [Member] | Commercial Real Estate Non-Owner Occupied [Member] | Grade 4 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year |  | 407
Three years before current fiscal year |  | 35
Four years before current fiscal year | 42 |
Prior | 47 | 92
Total Loans | 89 | 534
Real Estate [Member] | Construction and Development Less than 60 Months [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 206,198 | 211,932
Fiscal year before current fiscal year | 113,261 | 41,862
Two years before current fiscal year | 41,874 | 70,946
Three years before current fiscal year | 20,136 | 13,814
Four years before current fiscal year | 5,115 | 2,774
Prior | 5,866 | 4,691
Revolving Loans Amortized Cost Basis | 88,620 | 69,447
Total Loans | 481,070 | 415,466
Real Estate [Member] | Construction and Development Less than 60 Months [Member] | Grade 1 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 169,189 | 173,384
Fiscal year before current fiscal year | 92,988 | 34,351
Two years before current fiscal year | 40,187 | 57,729
Three years before current fiscal year | 5,721 | 9,276
Four years before current fiscal year | 3,467 | 1,953
Prior | 5,071 | 4,181
Revolving Loans Amortized Cost Basis | 40,474 | 32,294
Total Loans | 357,097 | 313,168
Real Estate [Member] | Construction and Development Less than 60 Months [Member] | Grade 2 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 36,042 | 37,275
Fiscal year before current fiscal year | 20,273 | 7,511
Two years before current fiscal year | 1,513 | 13,161
Three years before current fiscal year | 14,368 | 4,526
Four years before current fiscal year | 1,648 | 803
Prior | 774 | 510
Revolving Loans Amortized Cost Basis | 47,988 | 37,153
Total Loans | 122,606 | 100,939
Real Estate [Member] | Construction and Development Less than 60 Months [Member] | Grade 3 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 967 | 1,273
Two years before current fiscal year | 141 |
Three years before current fiscal year |  | 6
Prior | 8 |
Revolving Loans Amortized Cost Basis | 158 |
Total Loans | 1,274 | 1,279
Real Estate [Member] | Construction and Development Less than 60 Months [Member] | Grade 4 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Two years before current fiscal year | 33 | 56
Three years before current fiscal year | 47 | 6
Four years before current fiscal year |  | 18
Prior | 13 |
Total Loans | 93 | 80
Real Estate [Member] | Construction Residential Real Estate Less than 60 Months [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 251,420 | 221,959
Fiscal year before current fiscal year | 13,986 | 10,350
Two years before current fiscal year | 361 | 41
Three years before current fiscal year | 18 |
Four years before current fiscal year |  | 18
Prior | 442 | 454
Revolving Loans Amortized Cost Basis | 38,205 | 21,702
Total Loans | 304,432 | 254,524
Real Estate [Member] | Construction Residential Real Estate Less than 60 Months [Member] | Grade 1 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 210,099 | 193,311
Fiscal year before current fiscal year | 12,824 | 7,786
Two years before current fiscal year | 259 | 41
Three years before current fiscal year | 18 |
Four years before current fiscal year |  | 18
Prior | 42 | 29
Revolving Loans Amortized Cost Basis | 36,114 | 16,247
Total Loans | 259,356 | 217,432
Real Estate [Member] | Construction Residential Real Estate Less than 60 Months [Member] | Grade 2 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 39,689 | 28,170
Fiscal year before current fiscal year | 1,152 | 2,564
Two years before current fiscal year | 102 |
Prior | 400 | 425
Revolving Loans Amortized Cost Basis | 2,091 | 5,455
Total Loans | 43,434 | 36,614
Real Estate [Member] | Construction Residential Real Estate Less than 60 Months [Member] | Grade 3 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 1,212 | 478
Total Loans | 1,212 | 478
Real Estate [Member] | Construction Residential Real Estate Less than 60 Months [Member] | Grade 4 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 420 |
Fiscal year before current fiscal year | 10 |
Total Loans | 430 |
Real Estate [Member] | Residential Real Estate First Lien [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 352,634 | 302,129
Fiscal year before current fiscal year | 244,368 | 202,546
Two years before current fiscal year | 168,670 | 117,334
Three years before current fiscal year | 101,339 | 80,738
Four years before current fiscal year | 68,394 | 58,207
Prior | 180,201 | 172,124
Revolving Loans Amortized Cost Basis | 4,100 | 3,928
Total Loans | 1,119,706 | 937,006
Real Estate [Member] | Residential Real Estate First Lien [Member] | Grade 1 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 304,206 | 256,834
Fiscal year before current fiscal year | 205,277 | 174,718
Two years before current fiscal year | 141,807 | 99,082
Three years before current fiscal year | 85,850 | 64,949
Four years before current fiscal year | 56,028 | 45,211
Prior | 137,254 | 128,898
Revolving Loans Amortized Cost Basis | 4,100 | 3,928
Total Loans | 934,522 | 773,620
Real Estate [Member] | Residential Real Estate First Lien [Member] | Grade 2 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 46,433 | 44,080
Fiscal year before current fiscal year | 36,877 | 26,073
Two years before current fiscal year | 25,623 | 15,719
Three years before current fiscal year | 13,414 | 12,612
Four years before current fiscal year | 11,725 | 10,926
Prior | 37,242 | 38,230
Total Loans | 171,314 | 147,640
Real Estate [Member] | Residential Real Estate First Lien [Member] | Grade 3 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 1,940 | 1,151
Fiscal year before current fiscal year | 1,903 | 1,266
Two years before current fiscal year | 1,065 | 2,054
Three years before current fiscal year | 1,689 | 1,930
Four years before current fiscal year | 497 | 1,155
Prior | 3,889 | 3,523
Total Loans | 10,983 | 11,079
Real Estate [Member] | Residential Real Estate First Lien [Member] | Grade 4 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 55 | 64
Fiscal year before current fiscal year | 311 | 489
Two years before current fiscal year | 175 | 479
Three years before current fiscal year | 386 | 1,247
Four years before current fiscal year | 144 | 915
Prior | 1,816 | 1,473
Total Loans | 2,887 | 4,667
Real Estate [Member] | Residential Real Estate All Other [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 37,800 | 18,965
Fiscal year before current fiscal year | 13,103 | 16,539
Two years before current fiscal year | 12,539 | 10,722
Three years before current fiscal year | 7,129 | 7,379
Four years before current fiscal year | 5,084 | 5,710
Prior | 14,611 | 14,981
Revolving Loans Amortized Cost Basis | 108,739 | 86,722
Total Loans | 199,005 | 161,018
Real Estate [Member] | Residential Real Estate All Other [Member] | Grade 1 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 31,762 | 16,376
Fiscal year before current fiscal year | 11,012 | 13,320
Two years before current fiscal year | 10,696 | 8,691
Three years before current fiscal year | 5,458 | 5,609
Four years before current fiscal year | 3,607 | 4,101
Prior | 11,198 | 12,386
Revolving Loans Amortized Cost Basis | 42,629 | 30,840
Total Loans | 116,362 | 91,323
Real Estate [Member] | Residential Real Estate All Other [Member] | Grade 2 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 5,657 | 2,183
Fiscal year before current fiscal year | 1,887 | 2,941
Two years before current fiscal year | 1,744 | 1,919
Three years before current fiscal year | 1,589 | 1,500
Four years before current fiscal year | 1,237 | 895
Prior | 2,574 | 2,202
Revolving Loans Amortized Cost Basis | 64,231 | 55,000
Total Loans | 78,919 | 66,640
Real Estate [Member] | Residential Real Estate All Other [Member] | Grade 3 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 381 | 250
Fiscal year before current fiscal year | 186 | 98
Two years before current fiscal year | 71 | 112
Three years before current fiscal year | 50 | 232
Four years before current fiscal year | 201 | 702
Prior | 786 | 309
Revolving Loans Amortized Cost Basis | 1,828 | 538
Total Loans | 3,503 | 2,241
Real Estate [Member] | Residential Real Estate All Other [Member] | Grade 4 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year |  | 156
Fiscal year before current fiscal year | 18 | 180
Two years before current fiscal year | 28 |
Three years before current fiscal year | 32 | 38
Four years before current fiscal year | 39 | 12
Prior | 53 | 84
Revolving Loans Amortized Cost Basis | 51 | 344
Total Loans | 221 | 814
Real Estate [Member] | Farmland [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 66,207 | 68,244
Fiscal year before current fiscal year | 48,213 | 52,318
Two years before current fiscal year | 38,135 | 48,829
Three years before current fiscal year | 27,611 | 21,863
Four years before current fiscal year | 15,688 | 18,140
Prior | 46,331 | 41,766
Revolving Loans Amortized Cost Basis | 19,333 | 21,019
Total Loans | 261,518 | 272,179
Real Estate [Member] | Farmland [Member] | Grade 1 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 47,211 | 47,485
Fiscal year before current fiscal year | 33,771 | 39,216
Two years before current fiscal year | 29,454 | 23,627
Three years before current fiscal year | 18,693 | 15,180
Four years before current fiscal year | 10,038 | 12,579
Prior | 29,724 | 29,457
Revolving Loans Amortized Cost Basis | 6,126 | 6,946
Total Loans | 175,017 | 174,490
Real Estate [Member] | Farmland [Member] | Grade 2 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 16,140 | 16,063
Fiscal year before current fiscal year | 14,294 | 8,702
Two years before current fiscal year | 6,536 | 23,688
Three years before current fiscal year | 8,855 | 5,488
Four years before current fiscal year | 5,428 | 4,159
Prior | 14,373 | 10,848
Revolving Loans Amortized Cost Basis | 11,281 | 10,455
Total Loans | 76,907 | 79,403
Real Estate [Member] | Farmland [Member] | Grade 3 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 2,196 | 3,587
Fiscal year before current fiscal year | 111 | 4,021
Two years before current fiscal year | 2,090 | 1,514
Three years before current fiscal year | 63 | 74
Four years before current fiscal year | 141 | 1,293
Prior | 2,023 | 1,316
Revolving Loans Amortized Cost Basis | 1,926 | 3,386
Total Loans | 8,550 | 15,191
Real Estate [Member] | Farmland [Member] | Grade 4 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 660 | 1,109
Fiscal year before current fiscal year | 37 | 379
Two years before current fiscal year | 55 |
Three years before current fiscal year |  | 1,121
Four years before current fiscal year | 81 | 109
Prior | 211 | 145
Revolving Loans Amortized Cost Basis |  | 232
Total Loans | 1,044 | 3,095
Commercial and Agricultural Non-Real Estate [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 409,922 | 535,649
Fiscal year before current fiscal year | 271,328 | 154,760
Two years before current fiscal year | 95,450 | 123,160
Three years before current fiscal year | 68,627 | 66,406
Four years before current fiscal year | 33,752 | 36,768
Prior | 48,582 | 56,279
Revolving Loans Amortized Cost Basis | 448,714 | 443,071
Total Loans | 1,376,375 | 1,416,093
Commercial and Agricultural Non-Real Estate [Member] | Grade 1 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 303,340 | 445,864
Fiscal year before current fiscal year | 215,247 | 121,786
Two years before current fiscal year | 72,246 | 95,379
Three years before current fiscal year | 53,808 | 44,593
Four years before current fiscal year | 15,410 | 32,169
Prior | 42,842 | 43,750
Revolving Loans Amortized Cost Basis | 316,942 | 307,361
Total Loans | 1,019,835 | 1,090,902
Commercial and Agricultural Non-Real Estate [Member] | Grade 2 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 100,010 | 85,920
Fiscal year before current fiscal year | 54,656 | 30,568
Two years before current fiscal year | 20,423 | 25,097
Three years before current fiscal year | 12,914 | 9,680
Four years before current fiscal year | 16,187 | 2,735
Prior | 3,832 | 10,821
Revolving Loans Amortized Cost Basis | 126,503 | 105,700
Total Loans | 334,525 | 270,521
Commercial and Agricultural Non-Real Estate [Member] | Grade 3 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 6,332 | 2,995
Fiscal year before current fiscal year | 826 | 2,185
Two years before current fiscal year | 1,682 | 1,347
Three years before current fiscal year | 816 | 11,479
Four years before current fiscal year | 1,745 | 1,291
Prior | 797 | 599
Revolving Loans Amortized Cost Basis | 5,070 | 27,716
Total Loans | 17,268 | 47,612
Commercial and Agricultural Non-Real Estate [Member] | Grade 4 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 240 | 870
Fiscal year before current fiscal year | 599 | 221
Two years before current fiscal year | 1,099 | 1,337
Three years before current fiscal year | 825 | 654
Four years before current fiscal year | 410 | 573
Prior | 1,111 | 1,109
Revolving Loans Amortized Cost Basis | 199 | 2,294
Total Loans | 4,483 | 7,058
Commercial and Agricultural Non-Real Estate [Member] | Grade 5 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Three years before current fiscal year | 264 |
Total Loans | 264 |
Consumer Non-real Estate [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 225,469 | 222,450
Fiscal year before current fiscal year | 115,973 | 88,564
Two years before current fiscal year | 44,259 | 50,662
Three years before current fiscal year | 23,040 | 20,026
Four years before current fiscal year | 7,601 | 6,639
Prior | 3,614 | 3,429
Revolving Loans Amortized Cost Basis | 27,083 | 21,600
Total Loans | 447,039 | 413,370
Consumer Non-real Estate [Member] | Grade 1 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 203,335 | 201,893
Fiscal year before current fiscal year | 104,409 | 80,616
Two years before current fiscal year | 39,822 | 43,793
Three years before current fiscal year | 21,076 | 17,587
Four years before current fiscal year | 6,589 | 5,723
Prior | 2,187 | 2,048
Revolving Loans Amortized Cost Basis | 26,263 | 20,600
Total Loans | 403,681 | 372,260
Consumer Non-real Estate [Member] | Grade 2 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 21,078 | 19,349
Fiscal year before current fiscal year | 10,542 | 7,551
Two years before current fiscal year | 3,978 | 6,119
Three years before current fiscal year | 1,541 | 2,167
Four years before current fiscal year | 822 | 816
Prior | 1,351 | 1,342
Revolving Loans Amortized Cost Basis | 816 | 996
Total Loans | 40,128 | 38,340
Consumer Non-real Estate [Member] | Grade 3 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 827 | 1,146
Fiscal year before current fiscal year | 671 | 307
Two years before current fiscal year | 405 | 551
Three years before current fiscal year | 282 | 203
Four years before current fiscal year | 134 | 86
Prior | 63 | 31
Revolving Loans Amortized Cost Basis | 4 | 4
Total Loans | 2,386 | 2,328
Consumer Non-real Estate [Member] | Grade 4 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 229 | 62
Fiscal year before current fiscal year | 351 | 90
Two years before current fiscal year | 54 | 199
Three years before current fiscal year | 141 | 69
Four years before current fiscal year | 56 | 14
Prior | 13 | 8
Total Loans | 844 | 442
Oil and Gas [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 34,665 | 212,863
Fiscal year before current fiscal year | 136,244 | 35,874
Two years before current fiscal year | 17,253 | 20,488
Three years before current fiscal year | 23,722 | 3,914
Four years before current fiscal year | 4,845 | 259
Prior | 573 | 543
Revolving Loans Amortized Cost Basis | 245,348 | 154,967
Total Loans | 462,650 | 428,908
Oil and Gas [Member] | Grade 1 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 24,938 | 188,072
Fiscal year before current fiscal year | 125,209 | 26,090
Two years before current fiscal year | 16,482 | 6,579
Three years before current fiscal year | 682 | 1,257
Four years before current fiscal year | 1,678 | 89
Prior | 246 | 73
Revolving Loans Amortized Cost Basis | 199,610 | 139,687
Total Loans | 368,845 | 361,847
Oil and Gas [Member] | Grade 2 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 7,610 | 17,150
Fiscal year before current fiscal year | 10,668 | 9,774
Two years before current fiscal year | 766 | 13,909
Three years before current fiscal year | 23,040 | 2,657
Four years before current fiscal year | 3,167 | 170
Prior | 327 | 215
Revolving Loans Amortized Cost Basis | 45,240 | 13,186
Total Loans | 90,818 | 57,061
Oil and Gas [Member] | Grade 3 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year | 2,117 | 6,641
Fiscal year before current fiscal year | 47 | 10
Two years before current fiscal year | 5 |
Prior |  | 255
Revolving Loans Amortized Cost Basis | 498 | 2,024
Total Loans | 2,667 | 8,930
Oil and Gas [Member] | Grade 4 [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current fiscal year |  | 1,000
Fiscal year before current fiscal year | 320 |
Revolving Loans Amortized Cost Basis |  | 70
Total Loans | $ 320 | $ 1,070

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- Definition Amortized cost of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919232-210447 + Details
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X
- Definition Amortized cost of financing receivable originated four years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919232-210447 + Details
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