XML 53 R43.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Loans and Allowances for Credit Losses, Credit Quality Indicators (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | $ 898,365 |  |  | $ 3,743,425 |
Financing Receivable, Originated, Year Two | 3,482,231 |  |  | 4,522,989 |
Financing Receivable, Originated, Year Three | 4,567,033 |  |  | 2,982,784 |
Financing Receivable, Originated, Year Four | 2,761,053 |  |  | 1,756,064 |
Financing Receivable, Originated, Year Five | 1,665,088 |  |  | 1,234,871 |
Financing Receivable, Originated, More Than Five Years | 4,105,179 |  |  | 3,094,093 |
Financing Receivable, Revolving | 6,668,247 |  |  | 6,543,149 |
Financing Receivable, Revolving, Converted to Term Loan | 25,364 |  |  | 27,593 |
Total | 24,172,560 |  |  | 23,904,968 |
Financing Receivable, Allowance for Credit Loss, Writeoff | 7,060 |  | $ 3,667 |  |
Commercial [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 692,245 |  |  | 2,698,113 |
Financing Receivable, Originated, Year Two | 2,438,524 |  |  | 2,026,636 |
Financing Receivable, Originated, Year Three | 1,973,600 |  |  | 1,293,089 |
Financing Receivable, Originated, Year Four | 1,214,616 |  |  | 846,923 |
Financing Receivable, Originated, Year Five | 806,174 |  |  | 576,627 |
Financing Receivable, Originated, More Than Five Years | 2,325,449 |  |  | 1,839,613 |
Financing Receivable, Revolving | 5,679,006 |  |  | 5,519,976 |
Financing Receivable, Revolving, Converted to Term Loan | 3,253 |  |  | 2,792 |
Total | 15,132,867 |  |  | 14,803,769 |
Financing Receivable, Allowance for Credit Loss, Writeoff | 4,240 |  | 12 |  |
Commercial [Member] | Energy [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 58,061 |  |  | 190,122 |
Financing Receivable Year One Originated Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, Year Two | 141,197 |  |  | 100,006 |
Financing Receivable Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, Year Three | 90,222 |  |  | 43,769 |
Financing Receivable Year Three Originated Two Years Before Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, Year Four | 13,033 |  |  | 7,876 |
Financing Receivable Year Four Originated Three Years Before Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, Year Five | 7,447 |  |  | 9,562 |
Financing Receivable Year Five Originated Four Years Before Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, More Than Five Years | 20,724 |  |  | 11,682 |
Financing Receivable Originated More than Five Years Before Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Revolving | 3,113,035 |  |  | 3,074,084 |
Financing Receivable Revolving Writeoff | 0 |  |  | 0 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 0 |
Financing Receivable Revolving Converted to Term Writeoff | 0 |  |  | 0 |
Total | 3,443,719 |  |  | 3,437,101 |
Financing Receivable, Allowance for Credit Loss, Writeoff | 0 |  |  | 0 |
Commercial [Member] | Healthcare [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 165,523 |  |  | 650,768 |
Financing Receivable Year One Originated Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, Year Two | 654,838 |  |  | 897,730 |
Financing Receivable Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, Year Three | 924,659 |  |  | 609,244 |
Financing Receivable Year Three Originated Two Years Before Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, Year Four | 593,429 |  |  | 467,993 |
Financing Receivable Year Four Originated Three Years Before Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, Year Five | 441,676 |  |  | 355,026 |
Financing Receivable Year Five Originated Four Years Before Current Fiscal Year Writeoff | 0 |  |  | 2,500 |
Financing Receivable, Originated, More Than Five Years | 1,175,914 |  |  | 880,099 |
Financing Receivable Originated More than Five Years Before Current Fiscal Year Writeoff | 502 |  |  | 0 |
Financing Receivable, Revolving | 289,886 |  |  | 282,358 |
Financing Receivable Revolving Writeoff | 0 |  |  | 0 |
Financing Receivable, Revolving, Converted to Term Loan | 14 |  |  | 15 |
Financing Receivable Revolving Converted to Term Writeoff | 0 |  |  | 0 |
Total | 4,245,939 |  |  | 4,143,233 |
Financing Receivable, Allowance for Credit Loss, Writeoff | 502 |  |  | 2,500 |
Commercial [Member] | Services [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 183,565 |  |  | 900,090 |
Financing Receivable Year One Originated Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, Year Two | 786,684 |  |  | 541,573 |
Financing Receivable Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, Year Three | 529,263 |  |  | 405,205 |
Financing Receivable Year Three Originated Two Years Before Current Fiscal Year Writeoff | 0 |  |  | 3,060 |
Financing Receivable, Originated, Year Four | 383,174 |  |  | 230,823 |
Financing Receivable Year Four Originated Three Years Before Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, Year Five | 221,695 |  |  | 110,618 |
Financing Receivable Year Five Originated Four Years Before Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, More Than Five Years | 742,303 |  |  | 651,745 |
Financing Receivable Originated More than Five Years Before Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Revolving | 681,453 |  |  | 735,561 |
Financing Receivable Revolving Writeoff | 0 |  |  | 2,642 |
Financing Receivable, Revolving, Converted to Term Loan | 1,284 |  |  | 608 |
Financing Receivable Revolving Converted to Term Writeoff | 0 |  |  | 0 |
Total | 3,529,421 |  |  | 3,576,223 |
Financing Receivable, Allowance for Credit Loss, Writeoff | 0 |  |  | 5,702 |
Commercial [Member] | General business [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 285,096 |  |  | 957,133 |
Financing Receivable Year One Originated Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, Year Two | 855,805 |  |  | 487,327 |
Financing Receivable Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff | 27 |  |  | 0 |
Financing Receivable, Originated, Year Three | 429,456 |  |  | 234,871 |
Financing Receivable Year Three Originated Two Years Before Current Fiscal Year Writeoff | 1,399 |  |  | 4,598 |
Financing Receivable, Originated, Year Four | 224,980 |  |  | 140,231 |
Financing Receivable Year Four Originated Three Years Before Current Fiscal Year Writeoff | 0 |  |  | 2 |
Financing Receivable, Originated, Year Five | 135,356 |  |  | 101,421 |
Financing Receivable Year Five Originated Four Years Before Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, More Than Five Years | 386,508 |  |  | 296,087 |
Financing Receivable Originated More than Five Years Before Current Fiscal Year Writeoff | 158 |  |  | 48 |
Financing Receivable, Revolving | 1,594,632 |  |  | 1,427,973 |
Financing Receivable Revolving Writeoff | 2,154 |  |  | 10 |
Financing Receivable, Revolving, Converted to Term Loan | 1,955 |  |  | 2,169 |
Financing Receivable Revolving Converted to Term Writeoff | 0 |  |  | 38 |
Total | 3,913,788 |  |  | 3,647,212 |
Financing Receivable, Allowance for Credit Loss, Writeoff | 3,738 |  |  | 4,696 |
Commercial real estate [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 18,763 |  |  | 399,883 |
Financing Receivable Year One Originated Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, Year Two | 421,936 |  |  | 1,942,389 |
Financing Receivable Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, Year Three | 2,059,848 |  |  | 1,194,762 |
Financing Receivable Year Three Originated Two Years Before Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, Year Four | 1,061,396 |  |  | 416,647 |
Financing Receivable Year Four Originated Three Years Before Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, Year Five | 386,041 |  |  | 520,725 |
Financing Receivable Year Five Originated Four Years Before Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, More Than Five Years | 1,168,870 |  |  | 727,146 |
Financing Receivable Originated More than Five Years Before Current Fiscal Year Writeoff | 1,250 |  |  | 8,446 |
Financing Receivable, Revolving | 119,823 |  |  | 136,095 |
Financing Receivable Revolving Writeoff | 0 |  |  | 0 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 0 |
Financing Receivable Revolving Converted to Term Writeoff | 0 |  |  | 0 |
Total | 5,236,677 |  |  | 5,337,647 |
Financing Receivable, Allowance for Credit Loss, Writeoff | 1,250 |  | 2,208 | 8,446 |
Loans to individuals [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 187,357 |  |  | 645,429 |
Financing Receivable, Originated, Year Two | 621,771 |  |  | 553,964 |
Financing Receivable, Originated, Year Three | 533,585 |  |  | 494,933 |
Financing Receivable, Originated, Year Four | 485,041 |  |  | 492,494 |
Financing Receivable, Originated, Year Five | 472,873 |  |  | 137,519 |
Financing Receivable, Originated, More Than Five Years | 610,860 |  |  | 527,334 |
Financing Receivable, Revolving | 869,418 |  |  | 887,078 |
Financing Receivable, Revolving, Converted to Term Loan | 22,111 |  |  | 24,801 |
Total | 3,803,016 |  |  | 3,763,552 |
Financing Receivable, Allowance for Credit Loss, Writeoff | 1,570 |  | $ 1,447 |  |
Loans to individuals [Member] | Residential mortgage [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 96,002 |  |  | 426,325 |
Financing Receivable Year One Originated Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, Year Two | 406,069 |  |  | 322,442 |
Financing Receivable Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, Year Three | 319,631 |  |  | 343,295 |
Financing Receivable Year Three Originated Two Years Before Current Fiscal Year Writeoff | 0 |  |  | 51 |
Financing Receivable, Originated, Year Four | 337,232 |  |  | 351,647 |
Financing Receivable Year Four Originated Three Years Before Current Fiscal Year Writeoff | 0 |  |  | 4 |
Financing Receivable, Originated, Year Five | 343,768 |  |  | 55,200 |
Financing Receivable Year Five Originated Four Years Before Current Fiscal Year Writeoff | 0 |  |  | 0 |
Financing Receivable, Originated, More Than Five Years | 294,117 |  |  | 255,920 |
Financing Receivable Originated More than Five Years Before Current Fiscal Year Writeoff | 2 |  |  | 17 |
Financing Receivable, Revolving | 373,771 |  |  | 381,158 |
Financing Receivable Revolving Writeoff | 5 |  |  | 0 |
Financing Receivable, Revolving, Converted to Term Loan | 21,994 |  |  | 24,653 |
Financing Receivable Revolving Converted to Term Writeoff | 0 |  |  | 1 |
Total | 2,192,584 |  |  | 2,160,640 |
Financing Receivable, Allowance for Credit Loss, Writeoff | 7 |  |  | 73 |
Loans to individuals [Member] | Residential mortgage [Member] | US Government Agency Insured Loans [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 633 |
Financing Receivable, Originated, Year Two | 361 |  |  | 1,788 |
Financing Receivable, Originated, Year Three | 3,012 |  |  | 2,220 |
Financing Receivable, Originated, Year Four | 2,204 |  |  | 4,577 |
Financing Receivable, Originated, Year Five | 4,086 |  |  | 6,816 |
Financing Receivable, Originated, More Than Five Years | 129,793 |  |  | 133,773 |
Financing Receivable, Revolving | 0 |  |  | 0 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 0 |
Total | 139,456 |  |  | 149,807 |
Loans to individuals [Member] | Personal [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 91,355 |  |  | 218,471 |
Financing Receivable Year One Originated Current Fiscal Year Writeoff | 1,461 | [1] |  | 5,636 | [2]
Financing Receivable, Originated, Year Two | 215,341 |  |  | 229,734 |
Financing Receivable Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff | 40 | [1] |  | 82 | [2]
Financing Receivable, Originated, Year Three | 210,942 |  |  | 149,418 |
Financing Receivable Year Three Originated Two Years Before Current Fiscal Year Writeoff | 45 | [1] |  | 96 | [2]
Financing Receivable, Originated, Year Four | 145,605 |  |  | 136,270 |
Financing Receivable Year Four Originated Three Years Before Current Fiscal Year Writeoff | 12 | [1] |  | 43 | [2]
Financing Receivable, Originated, Year Five | 125,019 |  |  | 75,503 |
Financing Receivable Year Five Originated Four Years Before Current Fiscal Year Writeoff | 0 | [1] |  | 0 | [2]
Financing Receivable, Originated, More Than Five Years | 186,950 |  |  | 137,641 |
Financing Receivable Originated More than Five Years Before Current Fiscal Year Writeoff | 0 | [1] |  | 10 | [2]
Financing Receivable, Revolving | 495,647 |  |  | 505,920 |
Financing Receivable Revolving Writeoff | 0 | [1] |  | 6 | [2]
Financing Receivable, Revolving, Converted to Term Loan | 117 |  |  | 148 |
Financing Receivable Revolving Converted to Term Writeoff | 5 | [1] |  | 26 | [2]
Total | 1,470,976 |  |  | 1,453,105 |
Financing Receivable, Allowance for Credit Loss, Writeoff | 1,563 | [1] |  | 5,899 | [2]
Performing [Member] | Commercial [Member] | Energy [Member] | Pass [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 58,061 |  |  | 190,122 |
Financing Receivable, Originated, Year Two | 141,197 |  |  | 100,006 |
Financing Receivable, Originated, Year Three | 90,222 |  |  | 43,769 |
Financing Receivable, Originated, Year Four | 13,033 |  |  | 7,876 |
Financing Receivable, Originated, Year Five | 7,447 |  |  | 9,562 |
Financing Receivable, Originated, More Than Five Years | 20,635 |  |  | 11,583 |
Financing Receivable, Revolving | 3,067,570 |  |  | 3,025,590 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 0 |
Total | 3,398,165 |  |  | 3,388,508 |
Performing [Member] | Commercial [Member] | Energy [Member] | Special Mention [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 0 |
Financing Receivable, Originated, Year Two | 0 |  |  | 0 |
Financing Receivable, Originated, Year Three | 0 |  |  | 0 |
Financing Receivable, Originated, Year Four | 0 |  |  | 0 |
Financing Receivable, Originated, Year Five | 0 |  |  | 0 |
Financing Receivable, Originated, More Than Five Years | 0 |  |  | 0 |
Financing Receivable, Revolving | 13,950 |  |  | 13,950 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 0 |
Total | 13,950 |  |  | 13,950 |
Performing [Member] | Commercial [Member] | Energy [Member] | Accruing Substandard [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 0 |
Financing Receivable, Originated, Year Two | 0 |  |  | 0 |
Financing Receivable, Originated, Year Three | 0 |  |  | 0 |
Financing Receivable, Originated, Year Four | 0 |  |  | 0 |
Financing Receivable, Originated, Year Five | 0 |  |  | 0 |
Financing Receivable, Originated, More Than Five Years | 0 |  |  | 0 |
Financing Receivable, Revolving | 16,613 |  |  | 16,800 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 0 |
Total | 16,613 |  |  | 16,800 |
Performing [Member] | Commercial [Member] | Healthcare [Member] | Pass [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 165,523 |  |  | 650,768 |
Financing Receivable, Originated, Year Two | 638,346 |  |  | 895,602 |
Financing Receivable, Originated, Year Three | 924,230 |  |  | 590,736 |
Financing Receivable, Originated, Year Four | 573,778 |  |  | 409,001 |
Financing Receivable, Originated, Year Five | 382,923 |  |  | 331,897 |
Financing Receivable, Originated, More Than Five Years | 1,095,684 |  |  | 809,858 |
Financing Receivable, Revolving | 288,056 |  |  | 281,378 |
Financing Receivable, Revolving, Converted to Term Loan | 14 |  |  | 15 |
Total | 4,068,554 |  |  | 3,969,255 |
Performing [Member] | Commercial [Member] | Healthcare [Member] | Special Mention [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 0 |
Financing Receivable, Originated, Year Two | 15,000 |  |  | 0 |
Financing Receivable, Originated, Year Three | 0 |  |  | 0 |
Financing Receivable, Originated, Year Four | 1,254 |  |  | 21,791 |
Financing Receivable, Originated, Year Five | 0 |  |  | 0 |
Financing Receivable, Originated, More Than Five Years | 20,027 |  |  | 31,235 |
Financing Receivable, Revolving | 855 |  |  | 5 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 0 |
Total | 37,136 |  |  | 53,031 |
Performing [Member] | Commercial [Member] | Healthcare [Member] | Accruing Substandard [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 0 |
Financing Receivable, Originated, Year Two | 1,492 |  |  | 2,128 |
Financing Receivable, Originated, Year Three | 429 |  |  | 18,508 |
Financing Receivable, Originated, Year Four | 18,397 |  |  | 6,911 |
Financing Receivable, Originated, Year Five | 58,753 |  |  | 0 |
Financing Receivable, Originated, More Than Five Years | 10,896 |  |  | 10,896 |
Financing Receivable, Revolving | 975 |  |  | 975 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 0 |
Total | 90,942 |  |  | 39,418 |
Performing [Member] | Commercial [Member] | Services [Member] | Pass [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 183,565 |  |  | 900,090 |
Financing Receivable, Originated, Year Two | 786,684 |  |  | 526,776 |
Financing Receivable, Originated, Year Three | 514,841 |  |  | 401,872 |
Financing Receivable, Originated, Year Four | 380,227 |  |  | 228,818 |
Financing Receivable, Originated, Year Five | 219,684 |  |  | 106,112 |
Financing Receivable, Originated, More Than Five Years | 725,856 |  |  | 643,477 |
Financing Receivable, Revolving | 677,588 |  |  | 730,729 |
Financing Receivable, Revolving, Converted to Term Loan | 534 |  |  | 595 |
Total | 3,488,979 |  |  | 3,538,469 |
Performing [Member] | Commercial [Member] | Services [Member] | Special Mention [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 0 |
Financing Receivable, Originated, Year Two | 0 |  |  | 1,085 |
Financing Receivable, Originated, Year Three | 1,042 |  |  | 1,520 |
Financing Receivable, Originated, Year Four | 1,305 |  |  | 1,341 |
Financing Receivable, Originated, Year Five | 1,321 |  |  | 534 |
Financing Receivable, Originated, More Than Five Years | 9,243 |  |  | 4,522 |
Financing Receivable, Revolving | 31 |  |  | 81 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 0 |
Total | 12,942 |  |  | 9,083 |
Performing [Member] | Commercial [Member] | Services [Member] | Accruing Substandard [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 0 |
Financing Receivable, Originated, Year Two | 0 |  |  | 13,712 |
Financing Receivable, Originated, Year Three | 13,380 |  |  | 178 |
Financing Receivable, Originated, Year Four | 155 |  |  | 326 |
Financing Receivable, Originated, Year Five | 341 |  |  | 3,972 |
Financing Receivable, Originated, More Than Five Years | 7,204 |  |  | 3,746 |
Financing Receivable, Revolving | 2,351 |  |  | 3,108 |
Financing Receivable, Revolving, Converted to Term Loan | 750 |  |  | 13 |
Total | 24,181 |  |  | 25,055 |
Performing [Member] | Commercial [Member] | General business [Member] | Pass [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 285,096 |  |  | 942,468 |
Financing Receivable, Originated, Year Two | 845,326 |  |  | 436,832 |
Financing Receivable, Originated, Year Three | 383,429 |  |  | 224,735 |
Financing Receivable, Originated, Year Four | 215,106 |  |  | 138,951 |
Financing Receivable, Originated, Year Five | 134,121 |  |  | 101,100 |
Financing Receivable, Originated, More Than Five Years | 378,163 |  |  | 287,744 |
Financing Receivable, Revolving | 1,569,156 |  |  | 1,389,128 |
Financing Receivable, Revolving, Converted to Term Loan | 1,945 |  |  | 2,164 |
Total | 3,812,342 |  |  | 3,523,122 |
Performing [Member] | Commercial [Member] | General business [Member] | Special Mention [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 10,264 |
Financing Receivable, Originated, Year Two | 6,110 |  |  | 16,167 |
Financing Receivable, Originated, Year Three | 8,244 |  |  | 8,420 |
Financing Receivable, Originated, Year Four | 8,594 |  |  | 1,253 |
Financing Receivable, Originated, Year Five | 0 |  |  | 321 |
Financing Receivable, Originated, More Than Five Years | 1,602 |  |  | 8,295 |
Financing Receivable, Revolving | 10,611 |  |  | 897 |
Financing Receivable, Revolving, Converted to Term Loan | 6 |  |  | 0 |
Total | 35,167 |  |  | 45,617 |
Performing [Member] | Commercial [Member] | General business [Member] | Accruing Substandard [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 4,401 |
Financing Receivable, Originated, Year Two | 3,375 |  |  | 33,194 |
Financing Receivable, Originated, Year Three | 37,682 |  |  | 1,716 |
Financing Receivable, Originated, Year Four | 1,280 |  |  | 27 |
Financing Receivable, Originated, Year Five | 1,235 |  |  | 0 |
Financing Receivable, Originated, More Than Five Years | 6,701 |  |  | 0 |
Financing Receivable, Revolving | 9,003 |  |  | 31,992 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 0 |
Total | 59,276 |  |  | 71,330 |
Performing [Member] | Commercial real estate [Member] | Pass [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 18,763 |  |  | 396,891 |
Financing Receivable, Originated, Year Two | 418,504 |  |  | 1,941,913 |
Financing Receivable, Originated, Year Three | 2,059,848 |  |  | 1,194,759 |
Financing Receivable, Originated, Year Four | 1,061,396 |  |  | 416,647 |
Financing Receivable, Originated, Year Five | 386,041 |  |  | 513,555 |
Financing Receivable, Originated, More Than Five Years | 1,127,922 |  |  | 705,092 |
Financing Receivable, Revolving | 119,823 |  |  | 136,095 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 0 |
Total | 5,192,297 |  |  | 5,304,952 |
Performing [Member] | Commercial real estate [Member] | Special Mention [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 0 |
Financing Receivable, Originated, Year Two | 440 |  |  | 476 |
Financing Receivable, Originated, Year Three | 0 |  |  | 0 |
Financing Receivable, Originated, Year Four | 0 |  |  | 0 |
Financing Receivable, Originated, Year Five | 0 |  |  | 0 |
Financing Receivable, Originated, More Than Five Years | 16,527 |  |  | 19,171 |
Financing Receivable, Revolving | 0 |  |  | 0 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 0 |
Total | 16,967 |  |  | 19,647 |
Performing [Member] | Commercial real estate [Member] | Accruing Substandard [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 2,992 |
Financing Receivable, Originated, Year Two | 0 |  |  | 0 |
Financing Receivable, Originated, Year Three | 0 |  |  | 3 |
Financing Receivable, Originated, Year Four | 0 |  |  | 0 |
Financing Receivable, Originated, Year Five | 0 |  |  | 0 |
Financing Receivable, Originated, More Than Five Years | 5,326 |  |  | 2,733 |
Financing Receivable, Revolving | 0 |  |  | 0 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 0 |
Total | 5,326 |  |  | 5,728 |
Performing [Member] | Loans to individuals [Member] | Residential mortgage [Member] | Pass [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 96,002 |  |  | 426,089 |
Financing Receivable, Originated, Year Two | 405,724 |  |  | 320,733 |
Financing Receivable, Originated, Year Three | 319,050 |  |  | 342,927 |
Financing Receivable, Originated, Year Four | 336,878 |  |  | 349,742 |
Financing Receivable, Originated, Year Five | 343,246 |  |  | 54,801 |
Financing Receivable, Originated, More Than Five Years | 284,962 |  |  | 243,356 |
Financing Receivable, Revolving | 367,761 |  |  | 375,739 |
Financing Receivable, Revolving, Converted to Term Loan | 21,386 |  |  | 23,895 |
Total | 2,175,009 |  |  | 2,137,282 |
Performing [Member] | Loans to individuals [Member] | Residential mortgage [Member] | Special Mention [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 157 |
Financing Receivable, Originated, Year Two | 225 |  |  | 140 |
Financing Receivable, Originated, Year Three | 167 |  |  | 131 |
Financing Receivable, Originated, Year Four | 3 |  |  | 1,361 |
Financing Receivable, Originated, Year Five | 0 |  |  | 18 |
Financing Receivable, Originated, More Than Five Years | 161 |  |  | 134 |
Financing Receivable, Revolving | 3,290 |  |  | 2,982 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 93 |
Total | 3,846 |  |  | 5,016 |
Performing [Member] | Loans to individuals [Member] | Residential mortgage [Member] | Accruing Substandard [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 0 |
Financing Receivable, Originated, Year Two | 0 |  |  | 150 |
Financing Receivable, Originated, Year Three | 0 |  |  | 0 |
Financing Receivable, Originated, Year Four | 0 |  |  | 0 |
Financing Receivable, Originated, Year Five | 0 |  |  | 37 |
Financing Receivable, Originated, More Than Five Years | 0 |  |  | 49 |
Financing Receivable, Revolving | 279 |  |  | 50 |
Financing Receivable, Revolving, Converted to Term Loan | 1 |  |  | 0 |
Total | 280 |  |  | 286 |
Performing [Member] | Loans to individuals [Member] | Residential mortgage [Member] | US Government Agency Insured Loans [Member] | Pass [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 633 |
Financing Receivable, Originated, Year Two | 361 |  |  | 1,788 |
Financing Receivable, Originated, Year Three | 3,012 |  |  | 2,220 |
Financing Receivable, Originated, Year Four | 2,204 |  |  | 4,297 |
Financing Receivable, Originated, Year Five | 3,806 |  |  | 6,441 |
Financing Receivable, Originated, More Than Five Years | 120,856 |  |  | 124,719 |
Financing Receivable, Revolving | 0 |  |  | 0 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 0 |
Total | 130,239 |  |  | 140,098 |
Performing [Member] | Loans to individuals [Member] | Personal [Member] | Pass [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 91,355 |  |  | 218,401 |
Financing Receivable, Originated, Year Two | 215,282 |  |  | 229,580 |
Financing Receivable, Originated, Year Three | 210,876 |  |  | 149,291 |
Financing Receivable, Originated, Year Four | 145,542 |  |  | 136,215 |
Financing Receivable, Originated, Year Five | 124,996 |  |  | 75,348 |
Financing Receivable, Originated, More Than Five Years | 186,791 |  |  | 137,629 |
Financing Receivable, Revolving | 493,653 |  |  | 503,841 |
Financing Receivable, Revolving, Converted to Term Loan | 100 |  |  | 145 |
Total | 1,468,595 |  |  | 1,450,450 |
Performing [Member] | Loans to individuals [Member] | Personal [Member] | Special Mention [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 66 |
Financing Receivable, Originated, Year Two | 28 |  |  | 39 |
Financing Receivable, Originated, Year Three | 13 |  |  | 106 |
Financing Receivable, Originated, Year Four | 51 |  |  | 30 |
Financing Receivable, Originated, Year Five | 13 |  |  | 8 |
Financing Receivable, Originated, More Than Five Years | 3 |  |  | 0 |
Financing Receivable, Revolving | 0 |  |  | 1,918 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 3 |
Total | 108 |  |  | 2,170 |
Performing [Member] | Loans to individuals [Member] | Personal [Member] | Accruing Substandard [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 0 |
Financing Receivable, Originated, Year Two | 0 |  |  | 64 |
Financing Receivable, Originated, Year Three | 24 |  |  | 12 |
Financing Receivable, Originated, Year Four | 0 |  |  | 9 |
Financing Receivable, Originated, Year Five | 1 |  |  | 144 |
Financing Receivable, Originated, More Than Five Years | 144 |  |  | 0 |
Financing Receivable, Revolving | 1,962 |  |  | 3 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 0 |
Total | 2,131 |  |  | 232 |
Nonperforming Financial Instruments [Member] | Commercial [Member] | Energy [Member] | Nonaccrual [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 0 |
Financing Receivable, Originated, Year Two | 0 |  |  | 0 |
Financing Receivable, Originated, Year Three | 0 |  |  | 0 |
Financing Receivable, Originated, Year Four | 0 |  |  | 0 |
Financing Receivable, Originated, Year Five | 0 |  |  | 0 |
Financing Receivable, Originated, More Than Five Years | 89 |  |  | 99 |
Financing Receivable, Revolving | 14,902 |  |  | 17,744 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 0 |
Total | 14,991 |  |  | 17,843 |
Nonperforming Financial Instruments [Member] | Commercial [Member] | Healthcare [Member] | Nonaccrual [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 0 |
Financing Receivable, Originated, Year Two | 0 |  |  | 0 |
Financing Receivable, Originated, Year Three | 0 |  |  | 0 |
Financing Receivable, Originated, Year Four | 0 |  |  | 30,290 |
Financing Receivable, Originated, Year Five | 0 |  |  | 23,129 |
Financing Receivable, Originated, More Than Five Years | 49,307 |  |  | 28,110 |
Financing Receivable, Revolving | 0 |  |  | 0 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 0 |
Total | 49,307 |  |  | 81,529 |
Nonperforming Financial Instruments [Member] | Commercial [Member] | Services [Member] | Nonaccrual [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 0 |
Financing Receivable, Originated, Year Two | 0 |  |  | 0 |
Financing Receivable, Originated, Year Three | 0 |  |  | 1,635 |
Financing Receivable, Originated, Year Four | 1,487 |  |  | 338 |
Financing Receivable, Originated, Year Five | 349 |  |  | 0 |
Financing Receivable, Originated, More Than Five Years | 0 |  |  | 0 |
Financing Receivable, Revolving | 1,483 |  |  | 1,643 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 0 |
Total | 3,319 |  |  | 3,616 |
Nonperforming Financial Instruments [Member] | Commercial [Member] | General business [Member] | Nonaccrual [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 0 |
Financing Receivable, Originated, Year Two | 994 |  |  | 1,134 |
Financing Receivable, Originated, Year Three | 101 |  |  | 0 |
Financing Receivable, Originated, Year Four | 0 |  |  | 0 |
Financing Receivable, Originated, Year Five | 0 |  |  | 0 |
Financing Receivable, Originated, More Than Five Years | 42 |  |  | 48 |
Financing Receivable, Revolving | 5,862 |  |  | 5,956 |
Financing Receivable, Revolving, Converted to Term Loan | 4 |  |  | 5 |
Total | 7,003 |  |  | 7,143 |
Nonperforming Financial Instruments [Member] | Commercial real estate [Member] | Nonaccrual [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 0 |
Financing Receivable, Originated, Year Two | 2,992 |  |  | 0 |
Financing Receivable, Originated, Year Three | 0 |  |  | 0 |
Financing Receivable, Originated, Year Four | 0 |  |  | 0 |
Financing Receivable, Originated, Year Five | 0 |  |  | 7,170 |
Financing Receivable, Originated, More Than Five Years | 19,095 |  |  | 150 |
Financing Receivable, Revolving | 0 |  |  | 0 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 0 |
Total | 22,087 |  |  | 7,320 |
Nonperforming Financial Instruments [Member] | Loans to individuals [Member] | Residential mortgage [Member] | Nonaccrual [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 79 |
Financing Receivable, Originated, Year Two | 120 |  |  | 1,419 |
Financing Receivable, Originated, Year Three | 414 |  |  | 237 |
Financing Receivable, Originated, Year Four | 351 |  |  | 544 |
Financing Receivable, Originated, Year Five | 522 |  |  | 344 |
Financing Receivable, Originated, More Than Five Years | 8,994 |  |  | 12,381 |
Financing Receivable, Revolving | 2,441 |  |  | 2,387 |
Financing Receivable, Revolving, Converted to Term Loan | 607 |  |  | 665 |
Total | 13,449 |  |  | 18,056 |
Nonperforming Financial Instruments [Member] | Loans to individuals [Member] | Residential mortgage [Member] | US Government Agency Insured Loans [Member] | Nonaccrual [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 0 |
Financing Receivable, Originated, Year Two | 0 |  |  | 0 |
Financing Receivable, Originated, Year Three | 0 |  |  | 0 |
Financing Receivable, Originated, Year Four | 0 |  |  | 280 |
Financing Receivable, Originated, Year Five | 280 |  |  | 375 |
Financing Receivable, Originated, More Than Five Years | 8,937 |  |  | 9,054 |
Financing Receivable, Revolving | 0 |  |  | 0 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |  |  | 0 |
Total | 9,217 |  |  | 9,709 |
Nonperforming Financial Instruments [Member] | Loans to individuals [Member] | Personal [Member] | Nonaccrual [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |  |  |  |
Financing Receivable, Originated, Year One | 0 |  |  | 4 |
Financing Receivable, Originated, Year Two | 31 |  |  | 51 |
Financing Receivable, Originated, Year Three | 29 |  |  | 9 |
Financing Receivable, Originated, Year Four | 12 |  |  | 16 |
Financing Receivable, Originated, Year Five | 9 |  |  | 3 |
Financing Receivable, Originated, More Than Five Years | 12 |  |  | 12 |
Financing Receivable, Revolving | 32 |  |  | 158 |
Financing Receivable, Revolving, Converted to Term Loan | 17 |  |  | 0 |
Total | $ 142 |  |  | $ 253 |
[1] | Includes charge-offs on deposit overdrafts, which are generally charged off at 60 days past due.
[2] | Includes charge-offs on deposit overdrafts, which are generally charged off at 60 days past due.

X
- Definition Amount of writeoff of financing receivable, charged against allowance for credit loss. + 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 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(3) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_FinancingReceivableBeforeAllowanceForCreditLossByOriginationYearAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Period Type: | instant

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 -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_FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of financing receivable originated in 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_FinancingReceivableOriginatedInCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of financing receivable originated in fiscal year 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_FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of writeoff of financing receivable originated more than five years before 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_FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost of financing receivable originated three 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_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of financing receivable originated two 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_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of financing receivable that can be withdrawn, repaid, and redrawn. + 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_FinancingReceivableRevolving
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of revolving financing receivable converted to term loan. + 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 6A -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6A + Details
Name: | us-gaap_FinancingReceivableRevolvingConvertedToTermLoan
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of writeoff of revolving financing receivable converted to term loan. + 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 6A -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6A + Details
Name: | us-gaap_FinancingReceivableRevolvingConvertedToTermLoanWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable that can be withdrawn, repaid, and redrawn. + 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_FinancingReceivableRevolvingWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable originated four years before 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_FinancingReceivableYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable originated three years before 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_FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable originated in 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_FinancingReceivableYearOneOriginatedCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable originated two years before 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_FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable originated in fiscal year before 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_FinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and 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 80 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-80 Reference 2: 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 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (1) -Publisher SEC Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (2) -Publisher SEC Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1404 -Paragraph (a) -Publisher SEC Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-14 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7A -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-7A Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-5 + Details
Name: | us-gaap_NotesReceivableGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=bokf_EnergyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_HealthCareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=bokf_ServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=bokf_GeneralbusinessmemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=bokf_LoanstoindividualsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesAxis=us-gaap_UsGovernmentAgencyInsuredLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_PerformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_NonperformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=bokf_NonaccruingsubstandardanddoubtfulMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |