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Loans and Allowances for Credit Losses, Credit Quality Indicators (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | $ 2,071,984 | $ 3,678,190
Financing Receivable, Originated, Year Two | 3,541,124 | 2,680,781
Financing Receivable, Originated, Year Three | 2,350,788 | 2,305,870
Financing Receivable, Originated, Year Four | 2,049,727 | 1,579,560
Financing Receivable, Originated, Year Five | 1,284,247 | 1,250,651
Financing Receivable, Originated, More Than Five Years | 3,630,394 | 3,124,953
Financing Receivable, Revolving | 6,320,166 | 5,559,595
Financing Receivable, Revolving, Converted to Term Loan | 42,718 | 26,080
Total | 21,291,148 | 20,205,680
Commercial [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 1,350,321 | 2,115,523
Financing Receivable, Originated, Year Two | 1,820,753 | 1,284,235
Financing Receivable, Originated, Year Three | 1,110,207 | 1,142,464
Financing Receivable, Originated, Year Four | 1,035,788 | 995,008
Financing Receivable, Originated, Year Five | 833,455 | 761,286
Financing Receivable, Originated, More Than Five Years | 2,099,665 | 1,725,540
Financing Receivable, Revolving | 5,309,493 | 4,479,513
Financing Receivable, Revolving, Converted to Term Loan | 19,015 | 2,896
Total | 13,578,697 | 12,506,465
Commercial [Member] | Energy [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 109,094 | 263,341
Financing Receivable, Originated, Year Two | 126,603 | 73,425
Financing Receivable, Originated, Year Three | 50,608 | 17,099
Financing Receivable, Originated, Year Four | 15,380 | 14,362
Financing Receivable, Originated, Year Five | 7,991 | 4,741
Financing Receivable, Originated, More Than Five Years | 9,773 | 8,195
Financing Receivable, Revolving | 3,057,437 | 2,625,721
Financing Receivable, Revolving, Converted to Term Loan | 16,186 | 0
Total | 3,393,072 | 3,006,884
Commercial [Member] | Healthcare [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 516,924 | 570,635
Financing Receivable, Originated, Year Two | 607,642 | 589,193
Financing Receivable, Originated, Year Three | 533,637 | 559,276
Financing Receivable, Originated, Year Four | 540,342 | 506,083
Financing Receivable, Originated, Year Five | 468,901 | 330,231
Financing Receivable, Originated, More Than Five Years | 855,049 | 698,828
Financing Receivable, Revolving | 174,444 | 160,668
Financing Receivable, Revolving, Converted to Term Loan | 24 | 26
Total | 3,696,963 | 3,414,940
Commercial [Member] | Services [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 307,659 | 696,626
Financing Receivable, Originated, Year Two | 605,100 | 405,992
Financing Receivable, Originated, Year Three | 325,467 | 295,371
Financing Receivable, Originated, Year Four | 250,003 | 287,001
Financing Receivable, Originated, Year Five | 188,294 | 244,397
Financing Receivable, Originated, More Than Five Years | 910,032 | 799,961
Financing Receivable, Revolving | 834,024 | 637,278
Financing Receivable, Revolving, Converted to Term Loan | 914 | 567
Total | 3,421,493 | 3,367,193
Commercial [Member] | General business [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 416,644 | 584,921
Financing Receivable, Originated, Year Two | 481,408 | 215,625
Financing Receivable, Originated, Year Three | 200,495 | 270,718
Financing Receivable, Originated, Year Four | 230,063 | 187,562
Financing Receivable, Originated, Year Five | 168,269 | 181,917
Financing Receivable, Originated, More Than Five Years | 324,811 | 218,556
Financing Receivable, Revolving | 1,243,588 | 1,055,846
Financing Receivable, Revolving, Converted to Term Loan | 1,891 | 2,303
Total | 3,067,169 | 2,717,448
Commercial real estate [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 450,221 | 717,400
Financing Receivable, Originated, Year Two | 1,084,348 | 711,231
Financing Receivable, Originated, Year Three | 633,124 | 879,359
Financing Receivable, Originated, Year Four | 755,011 | 423,127
Financing Receivable, Originated, Year Five | 310,651 | 294,436
Financing Receivable, Originated, More Than Five Years | 760,076 | 687,894
Financing Receivable, Revolving | 112,717 | 117,847
Financing Receivable, Revolving, Converted to Term Loan | 0 | 31
Total | 4,106,148 | 3,831,325
Paycheck Protection Program [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 0 | 237,357
Financing Receivable, Originated, Year Two | 30,389 | 38,984
Financing Receivable, Originated, Year Three | 12,751 | 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 | 43,140 | 276,341
Loans to individuals [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 271,442 | 607,910
Financing Receivable, Originated, Year Two | 605,634 | 646,331
Financing Receivable, Originated, Year Three | 594,706 | 284,047
Financing Receivable, Originated, Year Four | 258,928 | 161,425
Financing Receivable, Originated, Year Five | 140,141 | 194,929
Financing Receivable, Originated, More Than Five Years | 770,653 | 711,519
Financing Receivable, Revolving | 897,956 | 962,235
Financing Receivable, Revolving, Converted to Term Loan | 23,703 | 23,153
Total | 3,563,163 | 3,591,549
Loans to individuals [Member] | Residential mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 181,223 | 387,706
Financing Receivable, Originated, Year Two | 387,779 | 454,346
Financing Receivable, Originated, Year Three | 412,858 | 84,540
Financing Receivable, Originated, Year Four | 70,568 | 62,358
Financing Receivable, Originated, Year Five | 45,930 | 68,925
Financing Receivable, Originated, More Than Five Years | 318,836 | 318,373
Financing Receivable, Revolving | 344,318 | 323,497
Financing Receivable, Revolving, Converted to Term Loan | 23,217 | 22,425
Total | 1,784,729 | 1,722,170
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 | 699
Financing Receivable, Originated, Year Two | 2,218 | 11,380
Financing Receivable, Originated, Year Three | 11,153 | 21,909
Financing Receivable, Originated, Year Four | 16,122 | 28,791
Financing Receivable, Originated, Year Five | 23,620 | 33,377
Financing Receivable, Originated, More Than Five Years | 240,725 | 258,017
Financing Receivable, Revolving | 0 | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 293,838 | 354,173
Loans to individuals [Member] | Personal [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 90,219 | 219,505
Financing Receivable, Originated, Year Two | 215,637 | 180,605
Financing Receivable, Originated, Year Three | 170,695 | 177,598
Financing Receivable, Originated, Year Four | 172,238 | 70,276
Financing Receivable, Originated, Year Five | 70,591 | 92,627
Financing Receivable, Originated, More Than Five Years | 211,092 | 135,129
Financing Receivable, Revolving | 553,638 | 638,738
Financing Receivable, Revolving, Converted to Term Loan | 486 | 728
Total | 1,484,596 | 1,515,206
Performing [Member] | Commercial [Member] | Energy [Member] | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 109,094 | 252,133
Financing Receivable, Originated, Year Two | 126,603 | 29,556
Financing Receivable, Originated, Year Three | 34,298 | 15,914
Financing Receivable, Originated, Year Four | 14,287 | 13,548
Financing Receivable, Originated, Year Five | 7,490 | 4,741
Financing Receivable, Originated, More Than Five Years | 8,606 | 6,765
Financing Receivable, Revolving | 3,027,640 | 2,540,525
Financing Receivable, Revolving, Converted to Term Loan | 6,661 | 0
Total | 3,334,679 | 2,863,182
Performing [Member] | Commercial [Member] | Energy [Member] | Special Mention [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One |  | 558
Financing Receivable, Originated, Year Two |  | 771
Financing Receivable, Originated, Year Three |  | 0
Financing Receivable, Originated, Year Four |  | 0
Financing Receivable, Originated, Year Five |  | 0
Financing Receivable, Originated, More Than Five Years |  | 0
Financing Receivable, Revolving |  | 750
Financing Receivable, Revolving, Converted to Term Loan |  | 0
Total |  | 2,079
Performing [Member] | Commercial [Member] | Energy [Member] | Accruing Substandard [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 0 | 10,650
Financing Receivable, Originated, Year Two | 0 | 22,611
Financing Receivable, Originated, Year Three | 0 | 1,185
Financing Receivable, Originated, Year Four | 1,093 | 814
Financing Receivable, Originated, Year Five | 501 | 0
Financing Receivable, Originated, More Than Five Years | 695 | 716
Financing Receivable, Revolving | 25,655 | 74,556
Financing Receivable, Revolving, Converted to Term Loan | 9,525 | 0
Total | 37,469 | 110,532
Performing [Member] | Commercial [Member] | Healthcare [Member] | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 516,924 | 563,800
Financing Receivable, Originated, Year Two | 607,642 | 589,193
Financing Receivable, Originated, Year Three | 533,637 | 516,558
Financing Receivable, Originated, Year Four | 504,011 | 498,998
Financing Receivable, Originated, Year Five | 462,368 | 319,096
Financing Receivable, Originated, More Than Five Years | 839,735 | 688,136
Financing Receivable, Revolving | 174,439 | 160,154
Financing Receivable, Revolving, Converted to Term Loan | 24 | 26
Total | 3,638,780 | 3,335,961
Performing [Member] | Commercial [Member] | Healthcare [Member] | Special Mention [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 0 | 6,835
Financing Receivable, Originated, Year Two | 0 | 0
Financing Receivable, Originated, Year Three | 0 | 15,583
Financing Receivable, Originated, Year Four | 9,515 | 0
Financing Receivable, Originated, Year Five | 0 | 11,135
Financing Receivable, Originated, More Than Five Years | 0 | 0
Financing Receivable, Revolving | 5 | 5
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 9,520 | 33,558
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 | 0 | 27,135
Financing Receivable, Originated, Year Four | 26,816 | 543
Financing Receivable, Originated, Year Five | 0 | 0
Financing Receivable, Originated, More Than Five Years | 6,962 | 1,981
Financing Receivable, Revolving | 0 | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 33,778 | 29,659
Performing [Member] | Commercial [Member] | Services [Member] | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 307,329 | 696,149
Financing Receivable, Originated, Year Two | 604,668 | 405,057
Financing Receivable, Originated, Year Three | 324,439 | 289,375
Financing Receivable, Originated, Year Four | 245,344 | 275,010
Financing Receivable, Originated, Year Five | 187,252 | 225,404
Financing Receivable, Originated, More Than Five Years | 892,138 | 795,029
Financing Receivable, Revolving | 778,201 | 607,958
Financing Receivable, Revolving, Converted to Term Loan | 746 | 375
Total | 3,340,117 | 3,294,357
Performing [Member] | Commercial [Member] | Services [Member] | Special Mention [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 330 | 434
Financing Receivable, Originated, Year Two | 432 | 405
Financing Receivable, Originated, Year Three | 410 | 1,830
Financing Receivable, Originated, Year Four | 822 | 1,047
Financing Receivable, Originated, Year Five | 985 | 3,290
Financing Receivable, Originated, More Than Five Years | 86 | 47
Financing Receivable, Revolving | 21,900 | 17,210
Financing Receivable, Revolving, Converted to Term Loan | 168 | 192
Total | 25,133 | 24,455
Performing [Member] | Commercial [Member] | Services [Member] | Accruing Substandard [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 0 | 43
Financing Receivable, Originated, Year Two | 0 | 530
Financing Receivable, Originated, Year Three | 384 | 4,166
Financing Receivable, Originated, Year Four | 3,837 | 10,714
Financing Receivable, Originated, Year Five | 57 | 1,785
Financing Receivable, Originated, More Than Five Years | 2,909 | 2,366
Financing Receivable, Revolving | 33,797 | 11,607
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 40,984 | 31,211
Performing [Member] | Commercial [Member] | General business [Member] | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 416,644 | 584,438
Financing Receivable, Originated, Year Two | 480,471 | 211,892
Financing Receivable, Originated, Year Three | 199,287 | 264,462
Financing Receivable, Originated, Year Four | 219,367 | 177,384
Financing Receivable, Originated, Year Five | 162,518 | 168,977
Financing Receivable, Originated, More Than Five Years | 309,630 | 215,014
Financing Receivable, Revolving | 1,234,314 | 1,047,420
Financing Receivable, Revolving, Converted to Term Loan | 1,885 | 2,284
Total | 3,024,116 | 2,671,871
Performing [Member] | Commercial [Member] | General business [Member] | Special Mention [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 0 | 218
Financing Receivable, Originated, Year Two | 937 | 223
Financing Receivable, Originated, Year Three | 0 | 60
Financing Receivable, Originated, Year Four | 9,355 | 1,435
Financing Receivable, Originated, Year Five | 29 | 3,842
Financing Receivable, Originated, More Than Five Years | 6,137 | 0
Financing Receivable, Revolving | 8,446 | 5,875
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 24,904 | 11,653
Performing [Member] | Commercial [Member] | General business [Member] | Accruing Substandard [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 0 | 265
Financing Receivable, Originated, Year Two | 0 | 1,066
Financing Receivable, Originated, Year Three | 115 | 1,634
Financing Receivable, Originated, Year Four | 605 | 7,697
Financing Receivable, Originated, Year Five | 4,743 | 8,336
Financing Receivable, Originated, More Than Five Years | 9,028 | 3,024
Financing Receivable, Revolving | 119 | 1,821
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 14,610 | 23,843
Performing [Member] | Commercial real estate [Member] | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 450,221 | 717,400
Financing Receivable, Originated, Year Two | 1,084,348 | 711,231
Financing Receivable, Originated, Year Three | 633,124 | 871,283
Financing Receivable, Originated, Year Four | 747,272 | 403,115
Financing Receivable, Originated, Year Five | 310,651 | 279,058
Financing Receivable, Originated, More Than Five Years | 736,285 | 664,684
Financing Receivable, Revolving | 112,717 | 117,847
Financing Receivable, Revolving, Converted to Term Loan | 0 | 31
Total | 4,074,618 | 3,764,649
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 | 0
Financing Receivable, Originated, Year Four | 0 | 6,660
Financing Receivable, Originated, Year Five | 0 | 10,898
Financing Receivable, Originated, More Than Five Years | 17,478 | 9,244
Financing Receivable, Revolving | 0 | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 17,478 | 26,802
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 | 0 | 13,352
Financing Receivable, Originated, Year Five | 0 | 4,480
Financing Receivable, Originated, More Than Five Years | 3,113 | 7,780
Financing Receivable, Revolving | 0 | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 3,113 | 25,612
Performing [Member] | Paycheck Protection Program [Member] | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 0 | 237,357
Financing Receivable, Originated, Year Two | 30,389 | 38,984
Financing Receivable, Originated, Year Three | 12,751 | 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 | 43,140 | 276,341
Performing [Member] | Loans to individuals [Member] | Residential mortgage [Member] | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 181,189 | 386,092
Financing Receivable, Originated, Year Two | 386,210 | 452,537
Financing Receivable, Originated, Year Three | 410,339 | 84,001
Financing Receivable, Originated, Year Four | 70,161 | 60,390
Financing Receivable, Originated, Year Five | 43,769 | 68,150
Financing Receivable, Originated, More Than Five Years | 297,196 | 295,632
Financing Receivable, Revolving | 341,992 | 320,638
Financing Receivable, Revolving, Converted to Term Loan | 22,409 | 21,463
Total | 1,753,265 | 1,688,903
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 | 0
Financing Receivable, Originated, Year Two | 60 | 0
Financing Receivable, Originated, Year Three | 0 | 156
Financing Receivable, Originated, Year Four | 17 | 0
Financing Receivable, Originated, Year Five | 166 | 19
Financing Receivable, Originated, More Than Five Years | 329 | 411
Financing Receivable, Revolving | 238 | 282
Financing Receivable, Revolving, Converted to Term Loan | 0 | 159
Total | 810 | 1,027
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 | 98
Financing Receivable, Originated, Year Two | 0 | 0
Financing Receivable, Originated, Year Three | 0 | 0
Financing Receivable, Originated, Year Four | 34 | 0
Financing Receivable, Originated, Year Five | 0 | 127
Financing Receivable, Originated, More Than Five Years | 131 | 41
Financing Receivable, Revolving | 29 | 400
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 194 | 666
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 | 699
Financing Receivable, Originated, Year Two | 2,218 | 11,380
Financing Receivable, Originated, Year Three | 10,722 | 20,650
Financing Receivable, Originated, Year Four | 14,035 | 27,970
Financing Receivable, Originated, Year Five | 21,325 | 32,742
Financing Receivable, Originated, More Than Five Years | 227,538 | 246,871
Financing Receivable, Revolving | 0 | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 275,838 | 340,312
Performing [Member] | Loans to individuals [Member] | Personal [Member] | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 90,206 | 218,960
Financing Receivable, Originated, Year Two | 215,139 | 180,577
Financing Receivable, Originated, Year Three | 170,635 | 177,389
Financing Receivable, Originated, Year Four | 172,046 | 70,249
Financing Receivable, Originated, Year Five | 70,564 | 92,592
Financing Receivable, Originated, More Than Five Years | 211,023 | 135,041
Financing Receivable, Revolving | 553,611 | 638,713
Financing Receivable, Revolving, Converted to Term Loan | 486 | 728
Total | 1,483,710 | 1,514,249
Performing [Member] | Loans to individuals [Member] | Personal [Member] | Special Mention [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 5 | 0
Financing Receivable, Originated, Year Two | 34 | 9
Financing Receivable, Originated, Year Three | 43 | 34
Financing Receivable, Originated, Year Four | 6 | 3
Financing Receivable, Originated, Year Five | 16 | 0
Financing Receivable, Originated, More Than Five Years | 46 | 47
Financing Receivable, Revolving | 0 | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 150 | 93
Performing [Member] | Loans to individuals [Member] | Personal [Member] | Accruing Substandard [Member] |  |
Financing Receivable, Credit Quality Indicator Line Items [Abstract] |  |
Financing Receivable, Originated, Year One | 8 | 435
Financing Receivable, Originated, Year Two | 433 | 5
Financing Receivable, Originated, Year Three | 0 | 165
Financing Receivable, Originated, Year Four | 160 | 0
Financing Receivable, Originated, Year Five | 0 | 0
Financing Receivable, Originated, More Than Five Years | 0 | 1
Financing Receivable, Revolving | 3 | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 604 | 606
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 | 20,487
Financing Receivable, Originated, Year Three | 16,310 | 0
Financing Receivable, Originated, Year Four | 0 | 0
Financing Receivable, Originated, Year Five | 0 | 0
Financing Receivable, Originated, More Than Five Years | 472 | 714
Financing Receivable, Revolving | 4,142 | 9,890
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 20,924 | 31,091
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 | 6,542
Financing Receivable, Originated, Year Five | 6,533 | 0
Financing Receivable, Originated, More Than Five Years | 8,352 | 8,711
Financing Receivable, Revolving | 0 | 509
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 14,885 | 15,762
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 | 234 | 0
Financing Receivable, Originated, Year Four | 0 | 230
Financing Receivable, Originated, Year Five | 0 | 13,918
Financing Receivable, Originated, More Than Five Years | 14,899 | 2,519
Financing Receivable, Revolving | 126 | 503
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 15,259 | 17,170
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 | 0 | 2,444
Financing Receivable, Originated, Year Three | 1,093 | 4,562
Financing Receivable, Originated, Year Four | 736 | 1,046
Financing Receivable, Originated, Year Five | 979 | 762
Financing Receivable, Originated, More Than Five Years | 16 | 518
Financing Receivable, Revolving | 709 | 730
Financing Receivable, Revolving, Converted to Term Loan | 6 | 19
Total | 3,539 | 10,081
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 | 0
Financing Receivable, Originated, Year Three | 0 | 8,076
Financing Receivable, Originated, Year Four | 7,739 | 0
Financing Receivable, Originated, Year Five | 0 | 0
Financing Receivable, Originated, More Than Five Years | 3,200 | 6,186
Financing Receivable, Revolving | 0 | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 10,939 | 14,262
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 | 34 | 1,516
Financing Receivable, Originated, Year Two | 1,509 | 1,809
Financing Receivable, Originated, Year Three | 2,519 | 383
Financing Receivable, Originated, Year Four | 356 | 1,968
Financing Receivable, Originated, Year Five | 1,995 | 629
Financing Receivable, Originated, More Than Five Years | 21,180 | 22,289
Financing Receivable, Revolving | 2,059 | 2,177
Financing Receivable, Revolving, Converted to Term Loan | 808 | 803
Total | 30,460 | 31,574
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 | 431 | 1,259
Financing Receivable, Originated, Year Four | 2,087 | 821
Financing Receivable, Originated, Year Five | 2,295 | 635
Financing Receivable, Originated, More Than Five Years | 13,187 | 11,146
Financing Receivable, Revolving | 0 | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | 18,000 | 13,861
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 | 110
Financing Receivable, Originated, Year Two | 31 | 14
Financing Receivable, Originated, Year Three | 17 | 10
Financing Receivable, Originated, Year Four | 26 | 24
Financing Receivable, Originated, Year Five | 11 | 35
Financing Receivable, Originated, More Than Five Years | 23 | 40
Financing Receivable, Revolving | 24 | 25
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Total | $ 132 | $ 258

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