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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 | Sep. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024
--- | --- | --- | ---
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | $ 1,678,314 |  |
Fiscal year before current fiscal year | 1,207,232 |  |
Two years before current fiscal year | 1,163,212 |  |
Three years before current fiscal year | 1,174,721 |  |
Four years before current fiscal year | 690,019 |  |
Prior | 955,024 |  |
Revolving Loans Amortized Cost Basis | 1,409,725 |  |
Total Loans | 8,278,247 | $ 8,025,110 | $ 8,180,361
Real Estate [Member] | Commercial Real Estate Owner Occupied [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 129,179 |  |
Fiscal year before current fiscal year | 120,789 |  |
Two years before current fiscal year | 132,867 |  |
Three years before current fiscal year | 169,357 |  |
Four years before current fiscal year | 134,782 |  |
Prior | 230,293 |  |
Revolving Loans Amortized Cost Basis | 20,709 |  |
Total Loans | 937,976 | 931,709 |
Real Estate [Member] | Commercial Real Estate Owner Occupied [Member] | Grade 1 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 75,122 |  |
Fiscal year before current fiscal year | 70,456 |  |
Two years before current fiscal year | 92,092 |  |
Three years before current fiscal year | 117,486 |  |
Four years before current fiscal year | 84,117 |  |
Prior | 170,157 |  |
Revolving Loans Amortized Cost Basis | 12,630 |  |
Total Loans | 622,060 |  |
Real Estate [Member] | Commercial Real Estate Owner Occupied [Member] | Grade 2 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 52,310 |  |
Fiscal year before current fiscal year | 36,726 |  |
Two years before current fiscal year | 29,313 |  |
Three years before current fiscal year | 47,634 |  |
Four years before current fiscal year | 45,787 |  |
Prior | 55,469 |  |
Revolving Loans Amortized Cost Basis | 7,883 |  |
Total Loans | 275,122 |  |
Real Estate [Member] | Commercial Real Estate Owner Occupied [Member] | Grade 3 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 1,747 |  |
Fiscal year before current fiscal year | 4,024 |  |
Two years before current fiscal year | 10,863 |  |
Three years before current fiscal year | 4,224 |  |
Four years before current fiscal year | 4,269 |  |
Prior | 2,570 |  |
Revolving Loans Amortized Cost Basis | 138 |  |
Total Loans | 27,835 |  |
Real Estate [Member] | Commercial Real Estate Owner Occupied [Member] | Grade 4 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Fiscal year before current fiscal year | 9,583 |  |
Two years before current fiscal year | 599 |  |
Three years before current fiscal year | 13 |  |
Four years before current fiscal year | 609 |  |
Prior | 2,097 |  |
Revolving Loans Amortized Cost Basis | 58 |  |
Total Loans | 12,959 |  |
Real Estate [Member] | Commercial Real Estate Non-Owner Occupied [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 284,734 |  |
Fiscal year before current fiscal year | 202,248 |  |
Two years before current fiscal year | 334,625 |  |
Three years before current fiscal year | 404,170 |  |
Four years before current fiscal year | 217,233 |  |
Prior | 233,425 |  |
Revolving Loans Amortized Cost Basis | 26,602 |  |
Total Loans | 1,703,037 | 1,578,483 |
Real Estate [Member] | Commercial Real Estate Non-Owner Occupied [Member] | Grade 1 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 142,429 |  |
Fiscal year before current fiscal year | 116,888 |  |
Two years before current fiscal year | 176,137 |  |
Three years before current fiscal year | 262,651 |  |
Four years before current fiscal year | 114,698 |  |
Prior | 154,866 |  |
Revolving Loans Amortized Cost Basis | 11,887 |  |
Total Loans | 979,556 |  |
Real Estate [Member] | Commercial Real Estate Non-Owner Occupied [Member] | Grade 2 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 138,949 |  |
Fiscal year before current fiscal year | 66,898 |  |
Two years before current fiscal year | 157,707 |  |
Three years before current fiscal year | 140,525 |  |
Four years before current fiscal year | 101,760 |  |
Prior | 78,531 |  |
Revolving Loans Amortized Cost Basis | 14,715 |  |
Total Loans | 699,085 |  |
Real Estate [Member] | Commercial Real Estate Non-Owner Occupied [Member] | Grade 3 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 3,356 |  |
Two years before current fiscal year | 666 |  |
Three years before current fiscal year | 930 |  |
Four years before current fiscal year | 513 |  |
Total Loans | 5,465 |  |
Real Estate [Member] | Commercial Real Estate Non-Owner Occupied [Member] | Grade 4 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Fiscal year before current fiscal year | 17,840 |  |
Two years before current fiscal year | 115 |  |
Three years before current fiscal year | 64 |  |
Four years before current fiscal year | 262 |  |
Prior | 28 |  |
Total Loans | 18,309 |  |
Real Estate [Member] | Commercial Real Estate Non-Owner Occupied [Member] | Grade 5 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Fiscal year before current fiscal year | 622 |  |
Total Loans | 622 |  |
Real Estate [Member] | Construction and Development Less than 60 Months [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 178,292 |  |
Fiscal year before current fiscal year | 129,505 |  |
Two years before current fiscal year | 153,728 |  |
Three years before current fiscal year | 124,404 |  |
Four years before current fiscal year | 8,599 |  |
Prior | 27,703 |  |
Revolving Loans Amortized Cost Basis | 39,651 |  |
Total Loans | 661,882 | 756,662 |
Real Estate [Member] | Construction and Development Less than 60 Months [Member] | Grade 1 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 90,161 |  |
Fiscal year before current fiscal year | 84,331 |  |
Two years before current fiscal year | 75,901 |  |
Three years before current fiscal year | 86,717 |  |
Four years before current fiscal year | 6,482 |  |
Prior | 12,135 |  |
Revolving Loans Amortized Cost Basis | 30,238 |  |
Total Loans | 385,965 |  |
Real Estate [Member] | Construction and Development Less than 60 Months [Member] | Grade 2 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 85,003 |  |
Fiscal year before current fiscal year | 45,142 |  |
Two years before current fiscal year | 77,790 |  |
Three years before current fiscal year | 36,836 |  |
Four years before current fiscal year | 1,901 |  |
Prior | 15,312 |  |
Revolving Loans Amortized Cost Basis | 9,413 |  |
Total Loans | 271,397 |  |
Real Estate [Member] | Construction and Development Less than 60 Months [Member] | Grade 3 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 3,069 |  |
Fiscal year before current fiscal year | 32 |  |
Two years before current fiscal year | 37 |  |
Three years before current fiscal year | 35 |  |
Prior | 117 |  |
Total Loans | 3,290 |  |
Real Estate [Member] | Construction and Development Less than 60 Months [Member] | Grade 4 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 59 |  |
Three years before current fiscal year | 816 |  |
Four years before current fiscal year | 216 |  |
Prior | 139 |  |
Total Loans | 1,230 |  |
Real Estate [Member] | Construction Residential Real Estate Less than 60 Months [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 185,574 |  |
Fiscal year before current fiscal year | 47,640 |  |
Two years before current fiscal year | 2,101 |  |
Three years before current fiscal year | 2,647 |  |
Four years before current fiscal year | 88 |  |
Prior | 447 |  |
Revolving Loans Amortized Cost Basis | 11,042 |  |
Total Loans | 249,539 | 250,373 |
Real Estate [Member] | Construction Residential Real Estate Less than 60 Months [Member] | Grade 1 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 114,433 |  |
Fiscal year before current fiscal year | 27,539 |  |
Two years before current fiscal year | 1,948 |  |
Three years before current fiscal year | 2,229 |  |
Four years before current fiscal year | 88 |  |
Prior | 447 |  |
Revolving Loans Amortized Cost Basis | 5,385 |  |
Total Loans | 152,069 |  |
Real Estate [Member] | Construction Residential Real Estate Less than 60 Months [Member] | Grade 2 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 68,991 |  |
Fiscal year before current fiscal year | 19,229 |  |
Two years before current fiscal year | 36 |  |
Three years before current fiscal year | 212 |  |
Revolving Loans Amortized Cost Basis | 5,549 |  |
Total Loans | 94,017 |  |
Real Estate [Member] | Construction Residential Real Estate Less than 60 Months [Member] | Grade 3 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 1,337 |  |
Fiscal year before current fiscal year | 250 |  |
Revolving Loans Amortized Cost Basis | 108 |  |
Total Loans | 1,695 |  |
Real Estate [Member] | Construction Residential Real Estate Less than 60 Months [Member] | Grade 4 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 813 |  |
Fiscal year before current fiscal year | 622 |  |
Two years before current fiscal year | 117 |  |
Three years before current fiscal year | 206 |  |
Total Loans | 1,758 |  |
Real Estate [Member] | Residential Real Estate First Lien [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 261,310 |  |
Fiscal year before current fiscal year | 282,603 |  |
Two years before current fiscal year | 229,001 |  |
Three years before current fiscal year | 227,288 |  |
Four years before current fiscal year | 170,503 |  |
Prior | 293,709 |  |
Revolving Loans Amortized Cost Basis | 22,026 |  |
Total Loans | 1,486,440 | 1,431,265 |
Real Estate [Member] | Residential Real Estate First Lien [Member] | Grade 1 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 189,404 |  |
Fiscal year before current fiscal year | 198,149 |  |
Two years before current fiscal year | 171,404 |  |
Three years before current fiscal year | 173,988 |  |
Four years before current fiscal year | 128,007 |  |
Prior | 220,927 |  |
Revolving Loans Amortized Cost Basis | 5,147 |  |
Total Loans | 1,087,026 |  |
Real Estate [Member] | Residential Real Estate First Lien [Member] | Grade 2 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 65,536 |  |
Fiscal year before current fiscal year | 77,693 |  |
Two years before current fiscal year | 52,921 |  |
Three years before current fiscal year | 49,467 |  |
Four years before current fiscal year | 38,097 |  |
Prior | 64,856 |  |
Revolving Loans Amortized Cost Basis | 16,879 |  |
Total Loans | 365,449 |  |
Real Estate [Member] | Residential Real Estate First Lien [Member] | Grade 3 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 6,107 |  |
Fiscal year before current fiscal year | 4,737 |  |
Two years before current fiscal year | 3,461 |  |
Three years before current fiscal year | 2,943 |  |
Four years before current fiscal year | 3,254 |  |
Prior | 5,711 |  |
Total Loans | 26,213 |  |
Real Estate [Member] | Residential Real Estate First Lien [Member] | Grade 4 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 263 |  |
Fiscal year before current fiscal year | 2,024 |  |
Two years before current fiscal year | 1,215 |  |
Three years before current fiscal year | 890 |  |
Four years before current fiscal year | 1,145 |  |
Prior | 2,215 |  |
Total Loans | 7,752 |  |
Real Estate [Member] | Residential Real Estate All Other [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 36,929 |  |
Fiscal year before current fiscal year | 39,664 |  |
Two years before current fiscal year | 25,918 |  |
Three years before current fiscal year | 21,018 |  |
Four years before current fiscal year | 6,043 |  |
Prior | 18,487 |  |
Revolving Loans Amortized Cost Basis | 157,235 |  |
Total Loans | 305,294 | 275,461 |
Real Estate [Member] | Residential Real Estate All Other [Member] | Grade 1 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 30,361 |  |
Fiscal year before current fiscal year | 32,299 |  |
Two years before current fiscal year | 20,433 |  |
Three years before current fiscal year | 16,989 |  |
Four years before current fiscal year | 4,688 |  |
Prior | 13,500 |  |
Revolving Loans Amortized Cost Basis | 54,635 |  |
Total Loans | 172,905 |  |
Real Estate [Member] | Residential Real Estate All Other [Member] | Grade 2 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 5,219 |  |
Fiscal year before current fiscal year | 6,630 |  |
Two years before current fiscal year | 4,810 |  |
Three years before current fiscal year | 3,777 |  |
Four years before current fiscal year | 1,079 |  |
Prior | 4,373 |  |
Revolving Loans Amortized Cost Basis | 98,709 |  |
Total Loans | 124,597 |  |
Real Estate [Member] | Residential Real Estate All Other [Member] | Grade 3 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 877 |  |
Fiscal year before current fiscal year | 667 |  |
Two years before current fiscal year | 531 |  |
Three years before current fiscal year | 184 |  |
Four years before current fiscal year | 276 |  |
Prior | 473 |  |
Revolving Loans Amortized Cost Basis | 2,960 |  |
Total Loans | 5,968 |  |
Real Estate [Member] | Residential Real Estate All Other [Member] | Grade 4 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 472 |  |
Fiscal year before current fiscal year | 68 |  |
Two years before current fiscal year | 144 |  |
Three years before current fiscal year | 68 |  |
Prior | 141 |  |
Revolving Loans Amortized Cost Basis | 931 |  |
Total Loans | 1,824 |  |
Real Estate [Member] | Agriculture [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 82,085 |  |
Fiscal year before current fiscal year | 56,647 |  |
Two years before current fiscal year | 54,096 |  |
Three years before current fiscal year | 49,747 |  |
Four years before current fiscal year | 35,413 |  |
Prior | 76,060 |  |
Revolving Loans Amortized Cost Basis | 91,482 |  |
Total Loans | 445,530 | 449,190 |
Real Estate [Member] | Agriculture [Member] | Grade 1 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 38,300 |  |
Fiscal year before current fiscal year | 27,196 |  |
Two years before current fiscal year | 31,679 |  |
Three years before current fiscal year | 30,379 |  |
Four years before current fiscal year | 22,984 |  |
Prior | 48,761 |  |
Revolving Loans Amortized Cost Basis | 43,394 |  |
Total Loans | 242,693 |  |
Real Estate [Member] | Agriculture [Member] | Grade 2 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 42,272 |  |
Fiscal year before current fiscal year | 27,054 |  |
Two years before current fiscal year | 20,291 |  |
Three years before current fiscal year | 15,840 |  |
Four years before current fiscal year | 10,998 |  |
Prior | 22,950 |  |
Revolving Loans Amortized Cost Basis | 41,001 |  |
Total Loans | 180,406 |  |
Real Estate [Member] | Agriculture [Member] | Grade 3 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 1,403 |  |
Fiscal year before current fiscal year | 1,654 |  |
Two years before current fiscal year | 1,933 |  |
Three years before current fiscal year | 2,782 |  |
Four years before current fiscal year | 1,147 |  |
Prior | 3,792 |  |
Revolving Loans Amortized Cost Basis | 6,962 |  |
Total Loans | 19,673 |  |
Real Estate [Member] | Agriculture [Member] | Grade 4 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 110 |  |
Fiscal year before current fiscal year | 743 |  |
Two years before current fiscal year | 193 |  |
Three years before current fiscal year | 746 |  |
Four years before current fiscal year | 284 |  |
Prior | 557 |  |
Revolving Loans Amortized Cost Basis | 125 |  |
Total Loans | 2,758 |  |
Commercial Non-real Estate [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 192,325 |  |
Fiscal year before current fiscal year | 175,301 |  |
Two years before current fiscal year | 135,330 |  |
Three years before current fiscal year | 130,783 |  |
Four years before current fiscal year | 90,059 |  |
Prior | 63,284 |  |
Revolving Loans Amortized Cost Basis | 671,040 |  |
Total Loans | 1,458,122 | 1,363,462 |
Commercial Non-real Estate [Member] | Grade 1 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 98,595 |  |
Fiscal year before current fiscal year | 95,488 |  |
Two years before current fiscal year | 62,924 |  |
Three years before current fiscal year | 92,121 |  |
Four years before current fiscal year | 80,450 |  |
Prior | 55,739 |  |
Revolving Loans Amortized Cost Basis | 389,275 |  |
Total Loans | 874,592 |  |
Commercial Non-real Estate [Member] | Grade 2 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 91,386 |  |
Fiscal year before current fiscal year | 77,032 |  |
Two years before current fiscal year | 69,492 |  |
Three years before current fiscal year | 36,190 |  |
Four years before current fiscal year | 9,123 |  |
Prior | 7,194 |  |
Revolving Loans Amortized Cost Basis | 244,435 |  |
Total Loans | 534,852 |  |
Commercial Non-real Estate [Member] | Grade 3 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 1,521 |  |
Fiscal year before current fiscal year | 1,886 |  |
Two years before current fiscal year | 1,916 |  |
Three years before current fiscal year | 1,345 |  |
Four years before current fiscal year | 359 |  |
Prior | 125 |  |
Revolving Loans Amortized Cost Basis | 37,068 |  |
Total Loans | 44,220 |  |
Commercial Non-real Estate [Member] | Grade 4 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 823 |  |
Fiscal year before current fiscal year | 577 |  |
Two years before current fiscal year | 993 |  |
Three years before current fiscal year | 910 |  |
Four years before current fiscal year | 117 |  |
Prior | 126 |  |
Revolving Loans Amortized Cost Basis | 262 |  |
Total Loans | 3,808 |  |
Commercial Non-real Estate [Member] | Grade 5 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Fiscal year before current fiscal year | 318 |  |
Two years before current fiscal year | 5 |  |
Three years before current fiscal year | 217 |  |
Four years before current fiscal year | 10 |  |
Prior | 100 |  |
Total Loans | 650 |  |
Consumer Non-real Estate [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 185,124 |  |
Fiscal year before current fiscal year | 134,015 |  |
Two years before current fiscal year | 80,764 |  |
Three years before current fiscal year | 38,512 |  |
Four years before current fiscal year | 16,304 |  |
Prior | 5,880 |  |
Revolving Loans Amortized Cost Basis | 33,301 |  |
Total Loans | 493,900 | 478,647 |
Consumer Non-real Estate [Member] | Grade 1 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 164,226 |  |
Fiscal year before current fiscal year | 116,451 |  |
Two years before current fiscal year | 66,756 |  |
Three years before current fiscal year | 30,515 |  |
Four years before current fiscal year | 12,935 |  |
Prior | 4,518 |  |
Revolving Loans Amortized Cost Basis | 16,981 |  |
Total Loans | 412,382 |  |
Consumer Non-real Estate [Member] | Grade 2 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 17,942 |  |
Fiscal year before current fiscal year | 15,570 |  |
Two years before current fiscal year | 11,644 |  |
Three years before current fiscal year | 6,669 |  |
Four years before current fiscal year | 2,664 |  |
Prior | 1,040 |  |
Revolving Loans Amortized Cost Basis | 16,307 |  |
Total Loans | 71,836 |  |
Consumer Non-real Estate [Member] | Grade 3 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 1,081 |  |
Fiscal year before current fiscal year | 1,463 |  |
Two years before current fiscal year | 1,663 |  |
Three years before current fiscal year | 834 |  |
Four years before current fiscal year | 530 |  |
Prior | 257 |  |
Revolving Loans Amortized Cost Basis | 10 |  |
Total Loans | 5,838 |  |
Consumer Non-real Estate [Member] | Grade 4 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 1,875 |  |
Fiscal year before current fiscal year | 531 |  |
Two years before current fiscal year | 701 |  |
Three years before current fiscal year | 494 |  |
Four years before current fiscal year | 175 |  |
Prior | 65 |  |
Revolving Loans Amortized Cost Basis | 3 |  |
Total Loans | 3,844 |  |
Oil and Gas [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 142,762 |  |
Fiscal year before current fiscal year | 18,820 |  |
Two years before current fiscal year | 14,782 |  |
Three years before current fiscal year | 6,795 |  |
Four years before current fiscal year | 10,995 |  |
Prior | 5,736 |  |
Revolving Loans Amortized Cost Basis | 336,637 |  |
Total Loans | 536,527 | $ 509,858 |
Oil and Gas [Member] | Grade 1 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 89,940 |  |
Fiscal year before current fiscal year | 10,827 |  |
Two years before current fiscal year | 9,121 |  |
Three years before current fiscal year | 3,508 |  |
Four years before current fiscal year | 8,234 |  |
Prior | 2,643 |  |
Revolving Loans Amortized Cost Basis | 258,117 |  |
Total Loans | 382,390 |  |
Oil and Gas [Member] | Grade 2 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 51,855 |  |
Fiscal year before current fiscal year | 7,976 |  |
Two years before current fiscal year | 5,628 |  |
Three years before current fiscal year | 3,287 |  |
Four years before current fiscal year | 2,571 |  |
Prior | 2,709 |  |
Revolving Loans Amortized Cost Basis | 76,250 |  |
Total Loans | 150,276 |  |
Oil and Gas [Member] | Grade 3 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Current fiscal year | 967 |  |
Fiscal year before current fiscal year | 17 |  |
Two years before current fiscal year | 33 |  |
Four years before current fiscal year | 154 |  |
Prior | 40 |  |
Revolving Loans Amortized Cost Basis | 2,270 |  |
Total Loans | 3,481 |  |
Oil and Gas [Member] | Grade 4 [Member] |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |
Four years before current fiscal year | 36 |  |
Prior | 344 |  |
Total Loans | $ 380 |  |

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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 -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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