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Loans and Allowances for Credit Losses, Credit Quality Indicators (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
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Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | $ 2,741,199 | $ 4,855,463
Financing Receivable, Originated, Year Two | 3,013,837 | 3,161,473
Financing Receivable, Originated, Year Three | 2,719,070 | 2,651,833
Financing Receivable, Originated, Year Four | 1,738,807 | 1,788,880
Financing Receivable, Originated, Year Five | 1,367,855 | 1,356,476
Financing Receivable, Originated, More Than Five Years | 3,484,320 | 3,054,469
Financing Receivable, Revolving | 5,255,990 | 6,108,767
Financing Receivable, Revolving, Converted to Term Loan | 26,858 | 30,159
Total | 20,347,936 | 23,007,520
Commercial [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 1,434,310 | 1,657,760
Financing Receivable, Originated, Year Two | 1,433,685 | 1,557,142
Financing Receivable, Originated, Year Three | 1,304,337 | 1,461,282
Financing Receivable, Originated, Year Four | 1,083,050 | 1,013,619
Financing Receivable, Originated, Year Five | 802,689 | 747,318
Financing Receivable, Originated, More Than Five Years | 1,868,188 | 1,603,533
Financing Receivable, Revolving | 4,246,107 | 5,033,683
Financing Receivable, Revolving, Converted to Term Loan | 2,774 | 3,198
Total | 12,175,140 | 13,077,535
Commercial [Member] | Energy [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 155,300 | 157,690
Financing Receivable, Originated, Year Two | 83,413 | 55,833
Financing Receivable, Originated, Year Three | 35,935 | 90,799
Financing Receivable, Originated, Year Four | 15,659 | 7,178
Financing Receivable, Originated, Year Five | 4,987 | 13,815
Financing Receivable, Originated, More Than Five Years | 28,742 | 29,020
Financing Receivable, Revolving | 2,490,023 | 3,114,859
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 2,814,059 | 3,469,194
Commercial [Member] | Healthcare [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 390,345 | 536,745
Financing Receivable, Originated, Year Two | 593,123 | 642,739
Financing Receivable, Originated, Year Three | 619,191 | 639,676
Financing Receivable, Originated, Year Four | 528,460 | 423,763
Financing Receivable, Originated, Year Five | 335,625 | 234,531
Financing Receivable, Originated, More Than Five Years | 731,264 | 680,890
Financing Receivable, Revolving | 149,633 | 147,646
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 3,347,641 | 3,305,990
Commercial [Member] | Services [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 430,578 | 540,265
Financing Receivable, Originated, Year Two | 506,624 | 452,269
Financing Receivable, Originated, Year Three | 347,363 | 399,264
Financing Receivable, Originated, Year Four | 315,362 | 326,282
Financing Receivable, Originated, Year Five | 260,269 | 381,902
Financing Receivable, Originated, More Than Five Years | 869,985 | 700,028
Financing Receivable, Revolving | 592,623 | 707,891
Financing Receivable, Revolving, Converted to Term Loan | 618 | 682
Total | 3,323,422 | 3,508,583
Commercial [Member] | General business [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 458,087 | 423,060
Financing Receivable, Originated, Year Two | 250,525 | 406,301
Financing Receivable, Originated, Year Three | 301,848 | 331,543
Financing Receivable, Originated, Year Four | 223,569 | 256,396
Financing Receivable, Originated, Year Five | 201,808 | 117,070
Financing Receivable, Originated, More Than Five Years | 238,197 | 193,595
Financing Receivable, Revolving | 1,013,828 | 1,063,287
Financing Receivable, Revolving, Converted to Term Loan | 2,156 | 2,516
Total | 2,690,018 | 2,793,768
Commercial real estate [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 374,519 | 725,577
Financing Receivable, Originated, Year Two | 805,102 | 1,219,638
Financing Receivable, Originated, Year Three | 1,112,648 | 954,485
Financing Receivable, Originated, Year Four | 486,749 | 506,146
Financing Receivable, Originated, Year Five | 351,629 | 325,092
Financing Receivable, Originated, More Than Five Years | 846,162 | 744,404
Financing Receivable, Revolving | 140,050 | 223,158
Financing Receivable, Revolving, Converted to Term Loan | 33 | 38
Total | 4,116,892 | 4,698,538
Paycheck Protection Program [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 450,844 | 1,682,310
Financing Receivable, Originated, Year Two | 85,208 | 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 | 0 | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 536,052 | 1,682,310
Loans to individuals [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 481,526 | 789,816
Financing Receivable, Originated, Year Two | 689,842 | 384,693
Financing Receivable, Originated, Year Three | 302,085 | 236,066
Financing Receivable, Originated, Year Four | 169,008 | 269,115
Financing Receivable, Originated, Year Five | 213,537 | 284,066
Financing Receivable, Originated, More Than Five Years | 769,970 | 706,532
Financing Receivable, Revolving | 869,833 | 851,926
Financing Receivable, Revolving, Converted to Term Loan | 24,051 | 26,923
Total | 3,519,852 | 3,549,137
Loans to individuals [Member] | Residential mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 326,709 | 565,006
Financing Receivable, Originated, Year Two | 479,906 | 149,947
Financing Receivable, Originated, Year Three | 93,979 | 124,678
Financing Receivable, Originated, Year Four | 68,712 | 125,714
Financing Receivable, Originated, Year Five | 80,896 | 160,870
Financing Receivable, Originated, More Than Five Years | 357,798 | 371,059
Financing Receivable, Revolving | 316,079 | 340,316
Financing Receivable, Revolving, Converted to Term Loan | 23,164 | 25,413
Total | 1,747,243 | 1,863,003
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 | 348 | 4,859
Financing Receivable, Originated, Year Two | 10,308 | 33,880
Financing Receivable, Originated, Year Three | 24,432 | 35,009
Financing Receivable, Originated, Year Four | 31,185 | 43,099
Financing Receivable, Originated, Year Five | 35,484 | 58,573
Financing Receivable, Originated, More Than Five Years | 275,229 | 233,267
Financing Receivable, Revolving | 0 | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 376,986 | 408,687
Loans to individuals [Member] | Personal [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 154,469 | 219,951
Financing Receivable, Originated, Year Two | 199,628 | 200,866
Financing Receivable, Originated, Year Three | 183,674 | 76,379
Financing Receivable, Originated, Year Four | 69,111 | 100,302
Financing Receivable, Originated, Year Five | 97,157 | 64,623
Financing Receivable, Originated, More Than Five Years | 136,943 | 102,206
Financing Receivable, Revolving | 553,754 | 511,610
Financing Receivable, Revolving, Converted to Term Loan | 887 | 1,510
Total | 1,395,623 | 1,277,447
Performing [Member] | Commercial [Member] | Energy [Member] | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 154,735 | 112,614
Financing Receivable, Originated, Year Two | 38,019 | 51,863
Financing Receivable, Originated, Year Three | 33,135 | 89,346
Financing Receivable, Originated, Year Four | 14,559 | 7,178
Financing Receivable, Originated, Year Five | 4,987 | 1,148
Financing Receivable, Originated, More Than Five Years | 19,327 | 7,956
Financing Receivable, Revolving | 2,306,845 | 2,548,663
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 2,571,607 | 2,818,768
Performing [Member] | Commercial [Member] | Energy [Member] | Special Mention [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 565 | 0
Financing Receivable, Originated, Year Two | 1,607 | 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 | 750 | 202,590
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 2,922 | 202,590
Performing [Member] | Commercial [Member] | Energy [Member] | Accruing Substandard [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 0 | 24,000
Financing Receivable, Originated, Year Two | 23,065 | 1,363
Financing Receivable, Originated, Year Three | 1,230 | 1,453
Financing Receivable, Originated, Year Four | 1,100 | 0
Financing Receivable, Originated, Year Five | 0 | 12,667
Financing Receivable, Originated, More Than Five Years | 6 | 0
Financing Receivable, Revolving | 168,629 | 283,294
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 194,030 | 322,777
Performing [Member] | Commercial [Member] | Healthcare [Member] | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 383,462 | 536,745
Financing Receivable, Originated, Year Two | 593,123 | 615,221
Financing Receivable, Originated, Year Three | 576,153 | 638,302
Financing Receivable, Originated, Year Four | 521,156 | 422,834
Financing Receivable, Originated, Year Five | 329,791 | 234,399
Financing Receivable, Originated, More Than Five Years | 720,489 | 658,286
Financing Receivable, Revolving | 149,119 | 147,132
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 3,273,293 | 3,252,919
Performing [Member] | Commercial [Member] | Healthcare [Member] | Special Mention [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 6,883 | 0
Financing Receivable, Originated, Year Two | 0 | 27,500
Financing Receivable, Originated, Year Three | 15,746 | 0
Financing Receivable, Originated, Year Four | 0 | 0
Financing Receivable, Originated, Year Five | 5,834 | 0
Financing Receivable, Originated, More Than Five Years | 0 | 8,282
Financing Receivable, Revolving | 5 | 5
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 28,468 | 35,787
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 | 0 | 0
Financing Receivable, Originated, Year Three | 27,292 | 1,191
Financing Receivable, Originated, Year Four | 7,304 | 929
Financing Receivable, Originated, Year Five | 0 | 132
Financing Receivable, Originated, More Than Five Years | 10,775 | 11,387
Financing Receivable, Revolving | 0 | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 45,371 | 13,639
Performing [Member] | Commercial [Member] | Services [Member] | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 430,099 | 534,853
Financing Receivable, Originated, Year Two | 501,607 | 436,384
Financing Receivable, Originated, Year Three | 334,009 | 372,867
Financing Receivable, Originated, Year Four | 298,665 | 307,374
Financing Receivable, Originated, Year Five | 240,892 | 373,785
Financing Receivable, Originated, More Than Five Years | 847,065 | 683,936
Financing Receivable, Revolving | 584,197 | 665,491
Financing Receivable, Revolving, Converted to Term Loan | 415 | 682
Total | 3,236,949 | 3,375,372
Performing [Member] | Commercial [Member] | Services [Member] | Special Mention [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 453 | 150
Financing Receivable, Originated, Year Two | 412 | 9,057
Financing Receivable, Originated, Year Three | 2,779 | 389
Financing Receivable, Originated, Year Four | 49 | 291
Financing Receivable, Originated, Year Five | 3,318 | 2,038
Financing Receivable, Originated, More Than Five Years | 11,085 | 2,000
Financing Receivable, Revolving | 2,027 | 3,063
Financing Receivable, Revolving, Converted to Term Loan | 203 | 0
Total | 20,326 | 16,988
Performing [Member] | Commercial [Member] | Services [Member] | Accruing Substandard [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 26 | 429
Financing Receivable, Originated, Year Two | 76 | 6,380
Financing Receivable, Originated, Year Three | 10,575 | 26,008
Financing Receivable, Originated, Year Four | 16,418 | 6,027
Financing Receivable, Originated, Year Five | 1,839 | 5,030
Financing Receivable, Originated, More Than Five Years | 5,603 | 7,954
Financing Receivable, Revolving | 5,896 | 38,797
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 40,433 | 90,625
Performing [Member] | Commercial [Member] | General business [Member] | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 457,490 | 419,756
Financing Receivable, Originated, Year Two | 246,333 | 394,985
Financing Receivable, Originated, Year Three | 295,089 | 310,273
Financing Receivable, Originated, Year Four | 212,899 | 236,222
Financing Receivable, Originated, Year Five | 188,407 | 103,987
Financing Receivable, Originated, More Than Five Years | 230,442 | 186,600
Financing Receivable, Revolving | 1,002,036 | 1,055,878
Financing Receivable, Revolving, Converted to Term Loan | 2,025 | 2,316
Total | 2,634,721 | 2,710,017
Performing [Member] | Commercial [Member] | General business [Member] | Special Mention [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 232 | 197
Financing Receivable, Originated, Year Two | 1,380 | 4,519
Financing Receivable, Originated, Year Three | 66 | 9,713
Financing Receivable, Originated, Year Four | 1,469 | 7,803
Financing Receivable, Originated, Year Five | 3,937 | 2,511
Financing Receivable, Originated, More Than Five Years | 318 | 3,159
Financing Receivable, Revolving | 8,697 | 2,483
Financing Receivable, Revolving, Converted to Term Loan | 0 | 19
Total | 16,099 | 30,404
Performing [Member] | Commercial [Member] | General business [Member] | Accruing Substandard [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 365 | 1,432
Financing Receivable, Originated, Year Two | 1,230 | 3,069
Financing Receivable, Originated, Year Three | 2,458 | 6,694
Financing Receivable, Originated, Year Four | 7,961 | 10,935
Financing Receivable, Originated, Year Five | 8,694 | 10,042
Financing Receivable, Originated, More Than Five Years | 6,906 | 3,729
Financing Receivable, Revolving | 2,633 | 4,449
Financing Receivable, Revolving, Converted to Term Loan | 0 | 140
Total | 30,247 | 40,490
Performing [Member] | Commercial real estate [Member] | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 374,519 | 725,577
Financing Receivable, Originated, Year Two | 805,102 | 1,211,338
Financing Receivable, Originated, Year Three | 1,104,404 | 954,226
Financing Receivable, Originated, Year Four | 466,778 | 489,193
Financing Receivable, Originated, Year Five | 336,206 | 314,899
Financing Receivable, Originated, More Than Five Years | 822,068 | 722,475
Financing Receivable, Revolving | 140,050 | 223,131
Financing Receivable, Revolving, Converted to Term Loan | 33 | 38
Total | 4,049,160 | 4,640,877
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 | 0 | 0
Financing Receivable, Originated, Year Three | 0 | 259
Financing Receivable, Originated, Year Four | 6,683 | 12,311
Financing Receivable, Originated, Year Five | 10,943 | 2,725
Financing Receivable, Originated, More Than Five Years | 6,760 | 5,831
Financing Receivable, Revolving | 0 | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 24,386 | 21,126
Performing [Member] | Commercial real estate [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 | 13,288 | 4,410
Financing Receivable, Originated, Year Five | 4,480 | 0
Financing Receivable, Originated, More Than Five Years | 4,355 | 4,852
Financing Receivable, Revolving | 0 | 27
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 22,123 | 9,289
Performing [Member] | Paycheck Protection Program [Member] | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 450,844 | 1,682,310
Financing Receivable, Originated, Year Two | 85,208 | 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 | 0 | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 536,052 | 1,682,310
Performing [Member] | Loans to individuals [Member] | Residential mortgage [Member] | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 325,951 | 564,325
Financing Receivable, Originated, Year Two | 478,460 | 149,832
Financing Receivable, Originated, Year Three | 93,556 | 120,875
Financing Receivable, Originated, Year Four | 67,648 | 124,930
Financing Receivable, Originated, Year Five | 80,208 | 158,801
Financing Receivable, Originated, More Than Five Years | 333,932 | 348,292
Financing Receivable, Revolving | 313,255 | 335,259
Financing Receivable, Revolving, Converted to Term Loan | 22,305 | 24,553
Total | 1,715,315 | 1,826,867
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 | 33
Financing Receivable, Originated, Year Two | 0 | 11
Financing Receivable, Originated, Year Three | 82 | 2,094
Financing Receivable, Originated, Year Four | 13 | 0
Financing Receivable, Originated, Year Five | 0 | 59
Financing Receivable, Originated, More Than Five Years | 283 | 318
Financing Receivable, Revolving | 248 | 950
Financing Receivable, Revolving, Converted to Term Loan | 0 | 10
Total | 626 | 3,475
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 | 0
Financing Receivable, Originated, Year Three | 0 | 51
Financing Receivable, Originated, Year Four | 0 | 0
Financing Receivable, Originated, Year Five | 0 | 0
Financing Receivable, Originated, More Than Five Years | 126 | 34
Financing Receivable, Revolving | 479 | 272
Financing Receivable, Revolving, Converted to Term Loan | 23 | 76
Total | 628 | 433
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 | 348 | 4,859
Financing Receivable, Originated, Year Two | 10,308 | 33,880
Financing Receivable, Originated, Year Three | 24,350 | 34,464
Financing Receivable, Originated, Year Four | 30,941 | 43,099
Financing Receivable, Originated, Year Five | 35,341 | 58,264
Financing Receivable, Originated, More Than Five Years | 266,510 | 226,380
Financing Receivable, Revolving | 0 | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 367,798 | 400,946
Performing [Member] | Loans to individuals [Member] | Personal [Member] | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 154,436 | 219,873
Financing Receivable, Originated, Year Two | 199,604 | 200,580
Financing Receivable, Originated, Year Three | 183,461 | 76,246
Financing Receivable, Originated, Year Four | 69,075 | 100,229
Financing Receivable, Originated, Year Five | 97,119 | 64,104
Financing Receivable, Originated, More Than Five Years | 136,837 | 102,126
Financing Receivable, Revolving | 553,702 | 510,571
Financing Receivable, Revolving, Converted to Term Loan | 887 | 1,510
Total | 1,395,121 | 1,275,239
Performing [Member] | Loans to individuals [Member] | Personal [Member] | Special Mention [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 14 | 39
Financing Receivable, Originated, Year Two | 15 | 55
Financing Receivable, Originated, Year Three | 23 | 66
Financing Receivable, Originated, Year Four | 10 | 0
Financing Receivable, Originated, Year Five | 0 | 469
Financing Receivable, Originated, More Than Five Years | 45 | 31
Financing Receivable, Revolving | 5 | 965
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 112 | 1,625
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 | 11
Financing Receivable, Originated, Year Two | 0 | 214
Financing Receivable, Originated, Year Three | 180 | 10
Financing Receivable, Originated, Year Four | 1 | 0
Financing Receivable, Originated, Year Five | 0 | 0
Financing Receivable, Originated, More Than Five Years | 0 | 0
Financing Receivable, Revolving | 21 | 29
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 202 | 264
Nonperforming Financial Instruments [Member] | Commercial [Member] | Energy [Member] | Nonaccrual [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 0 | 21,076
Financing Receivable, Originated, Year Two | 20,722 | 2,607
Financing Receivable, Originated, Year Three | 1,570 | 0
Financing Receivable, Originated, Year Four | 0 | 0
Financing Receivable, Originated, Year Five | 0 | 0
Financing Receivable, Originated, More Than Five Years | 9,409 | 21,064
Financing Receivable, Revolving | 13,799 | 80,312
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 45,500 | 125,059
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 | 18
Financing Receivable, Originated, Year Three | 0 | 183
Financing Receivable, Originated, Year Four | 0 | 0
Financing Receivable, Originated, Year Five | 0 | 0
Financing Receivable, Originated, More Than Five Years | 0 | 2,935
Financing Receivable, Revolving | 509 | 509
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 509 | 3,645
Nonperforming Financial Instruments [Member] | Commercial [Member] | Services [Member] | Nonaccrual [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 0 | 4,833
Financing Receivable, Originated, Year Two | 4,529 | 448
Financing Receivable, Originated, Year Three | 0 | 0
Financing Receivable, Originated, Year Four | 230 | 12,590
Financing Receivable, Originated, Year Five | 14,220 | 1,049
Financing Receivable, Originated, More Than Five Years | 6,232 | 6,138
Financing Receivable, Revolving | 503 | 540
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 25,714 | 25,598
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 | 1,675
Financing Receivable, Originated, Year Two | 1,582 | 3,728
Financing Receivable, Originated, Year Three | 4,235 | 4,863
Financing Receivable, Originated, Year Four | 1,240 | 1,436
Financing Receivable, Originated, Year Five | 770 | 530
Financing Receivable, Originated, More Than Five Years | 531 | 107
Financing Receivable, Revolving | 462 | 477
Financing Receivable, Revolving, Converted to Term Loan | 131 | 41
Total | 8,951 | 12,857
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 | 0 | 8,300
Financing Receivable, Originated, Year Three | 8,244 | 0
Financing Receivable, Originated, Year Four | 0 | 232
Financing Receivable, Originated, Year Five | 0 | 7,468
Financing Receivable, Originated, More Than Five Years | 12,979 | 11,246
Financing Receivable, Revolving | 0 | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 21,223 | 27,246
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 | 758 | 648
Financing Receivable, Originated, Year Two | 1,446 | 104
Financing Receivable, Originated, Year Three | 341 | 1,658
Financing Receivable, Originated, Year Four | 1,051 | 784
Financing Receivable, Originated, Year Five | 688 | 2,010
Financing Receivable, Originated, More Than Five Years | 23,457 | 22,415
Financing Receivable, Revolving | 2,097 | 3,835
Financing Receivable, Revolving, Converted to Term Loan | 836 | 774
Total | 30,674 | 32,228
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 | 82 | 545
Financing Receivable, Originated, Year Four | 244 | 0
Financing Receivable, Originated, Year Five | 143 | 309
Financing Receivable, Originated, More Than Five Years | 8,719 | 6,887
Financing Receivable, Revolving | 0 | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 9,188 | 7,741
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 | 19 | 28
Financing Receivable, Originated, Year Two | 9 | 17
Financing Receivable, Originated, Year Three | 10 | 57
Financing Receivable, Originated, Year Four | 25 | 73
Financing Receivable, Originated, Year Five | 38 | 50
Financing Receivable, Originated, More Than Five Years | 61 | 49
Financing Receivable, Revolving | 26 | 45
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | $ 188 | $ 319

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