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Loans (Weighted Average Risk Grades for All Commercial Loans by Class) (Detail) $ in Thousands | Dec. 31, 2023 USD ($) Grade | Dec. 31, 2022 USD ($) Grade
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts | $ 18,824,251 | $ 17,154,969
Commercial Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 1,619,306 | 1,703,185
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 768,246 | 657,039
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 491,938 | 498,213
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 364,446 | 241,997
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 182,089 | 138,541
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 219,766 | 195,754
Financing Receivable, Revolving | 2,247,752 | 2,170,182
Loans, net of unearned discounts | $ 5,959,133 | $ 5,674,798
Weighted Average Risk Grade | Grade | 6.60 | 6.39
Commercial Portfolio Segment [Member] | Revolving Credit Facility |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 6.50 | 6.26
Commercial Portfolio Segment [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | $ 65,590 | $ 69,887
Weighted Average Risk Grade | Grade | 8.48 | 7.68
Commercial Portfolio Segment [Member] | 2023 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 6.53 |
Commercial Portfolio Segment [Member] | 2022 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.05 | 6.37
Commercial Portfolio Segment [Member] | 2021 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.26 | 7.05
Commercial Portfolio Segment [Member] | 2020 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 5.87 | 6.01
Commercial Portfolio Segment [Member] | 2019 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 6.01 | 6.59
Commercial Portfolio Segment [Member] | 2018 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade |  | 6.87
Commercial Portfolio Segment [Member] | Prior Years |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 6.04 | 5.55
Commercial and Industrial Total Energy Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | $ 277,722 | $ 352,224
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 61,500 | 100,862
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 74,631 | 5,312
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 3,835 | 8,659
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 6,876 | 3,078
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 4,541 | 2,913
Financing Receivable, Revolving | 495,329 | 408,022
Loans, net of unearned discounts | $ 935,265 | $ 925,729
Weighted Average Risk Grade | Grade | 6.05 | 5.67
Commercial and Industrial Total Energy Loans [Member] | Revolving Credit Facility |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 5.75 | 5.18
Commercial and Industrial Total Energy Loans [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | $ 10,831 | $ 44,659
Weighted Average Risk Grade | Grade | 7.33 | 5.69
Commercial and Industrial Total Energy Loans [Member] | 2023 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 6.19 |
Commercial and Industrial Total Energy Loans [Member] | 2022 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.07 | 6.09
Commercial and Industrial Total Energy Loans [Member] | 2021 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 6.00 | 5.65
Commercial and Industrial Total Energy Loans [Member] | 2020 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 6.99 | 7.65
Commercial and Industrial Total Energy Loans [Member] | 2019 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 10.02 | 9.64
Commercial and Industrial Total Energy Loans [Member] | 2018 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade |  | 8.02
Commercial and Industrial Total Energy Loans [Member] | Prior Years |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.07 | 6.59
Commercial Real Estate, Buildings, Land and Other [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | $ 1,645,223 | $ 1,901,888
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 1,785,624 | 1,528,173
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,253,062 | 1,009,197
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 811,574 | 745,031
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 522,566 | 410,327
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 953,768 | 882,021
Financing Receivable, Revolving | 229,733 | 120,958
Loans, net of unearned discounts | $ 7,301,920 | $ 6,706,078
Weighted Average Risk Grade | Grade | 7.20 | 7.09
Commercial Real Estate, Buildings, Land and Other [Member] | Revolving Credit Facility |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.49 | 7.38
Commercial Real Estate, Buildings, Land and Other [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | $ 100,370 | $ 108,483
Weighted Average Risk Grade | Grade | 6.77 | 6.43
Commercial Real Estate, Buildings, Land and Other [Member] | 2023 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.23 |
Commercial Real Estate, Buildings, Land and Other [Member] | 2022 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.18 | 7.01
Commercial Real Estate, Buildings, Land and Other [Member] | 2021 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.29 | 7.26
Commercial Real Estate, Buildings, Land and Other [Member] | 2020 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.22 | 7.14
Commercial Real Estate, Buildings, Land and Other [Member] | 2019 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 6.90 | 7.01
Commercial Real Estate, Buildings, Land and Other [Member] | 2018 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade |  | 7.33
Commercial Real Estate, Buildings, Land and Other [Member] | Prior Years |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.16 | 6.94
Construction Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | $ 560,720 | $ 666,024
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 576,374 | 491,563
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 344,641 | 130,888
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 28,063 | 2,236
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 296 | 486
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 1,613 | 1,726
Financing Receivable, Revolving | 169,017 | 181,180
Loans, net of unearned discounts | $ 1,680,724 | $ 1,477,247
Weighted Average Risk Grade | Grade | 7.45 | 7.12
Construction Loans [Member] | Revolving Credit Facility |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.34 | 7.23
Construction Loans [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | $ 0 | $ 3,144
Weighted Average Risk Grade | Grade | 0 | 5.03
Construction Loans [Member] | 2023 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.44 |
Construction Loans [Member] | 2022 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.44 | 7.29
Construction Loans [Member] | 2021 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.93 | 7.03
Construction Loans [Member] | 2020 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 2.55 | 6.43
Construction Loans [Member] | 2019 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.22 | 7.04
Construction Loans [Member] | 2018 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade |  | 6.00
Construction Loans [Member] | Prior Years |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 6.78 | 6.76
Commercial Real Estate Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | $ 2,205,943 | $ 2,567,912
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 2,361,998 | 2,019,736
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,597,703 | 1,140,085
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 839,637 | 747,267
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 522,862 | 410,813
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 955,381 | 883,747
Financing Receivable, Revolving | 398,750 | 302,138
Loans, net of unearned discounts | $ 8,982,644 | $ 8,183,325
Weighted Average Risk Grade | Grade | 7.24 | 7.10
Commercial Real Estate Portfolio Segment [Member] | Revolving Credit Facility |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.43 | 7.29
Commercial Real Estate Portfolio Segment [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | $ 100,370 | $ 111,627
Weighted Average Risk Grade | Grade | 6.77 | 6.39
Commercial Real Estate Portfolio Segment [Member] | 2023 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.28 |
Commercial Real Estate Portfolio Segment [Member] | 2022 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.24 | 7.08
Commercial Real Estate Portfolio Segment [Member] | 2021 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.43 | 7.20
Commercial Real Estate Portfolio Segment [Member] | 2020 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.07 | 7.06
Commercial Real Estate Portfolio Segment [Member] | 2019 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 6.90 | 7.01
Commercial Real Estate Portfolio Segment [Member] | 2018 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade |  | 7.33
Commercial Real Estate Portfolio Segment [Member] | Prior Years |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.15 | 6.94
Risk Grade One To Eight [Member] | Commercial Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | $ 1,489,026 | $ 1,667,274
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 706,210 | 618,756
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 450,806 | 485,908
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 349,744 | 226,835
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 172,656 | 123,768
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 206,643 | 192,791
Financing Receivable, Revolving | 2,083,490 | 2,068,891
Loans, net of unearned discounts | $ 5,499,829 | $ 5,435,917
Weighted Average Risk Grade | Grade | 6.32 | 6.24
Risk Grade One To Eight [Member] | Commercial Portfolio Segment [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | $ 41,254 | $ 51,694
Risk Grade One To Eight [Member] | Commercial and Industrial Total Energy Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 270,710 | 338,050
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 54,185 | 99,089
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 73,532 | 4,917
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 3,673 | 3,138
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 1,819 | 2,020
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 4,047 | 2,850
Financing Receivable, Revolving | 451,897 | 393,957
Loans, net of unearned discounts | $ 869,749 | $ 887,182
Weighted Average Risk Grade | Grade | 5.73 | 5.44
Risk Grade One To Eight [Member] | Commercial and Industrial Total Energy Loans [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | $ 9,886 | $ 43,161
Risk Grade One To Eight [Member] | Commercial Real Estate, Buildings, Land and Other [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 1,601,175 | 1,811,069
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 1,667,750 | 1,484,811
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,186,559 | 956,567
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 747,289 | 708,942
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 503,303 | 360,154
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 874,942 | 800,944
Financing Receivable, Revolving | 214,874 | 111,778
Loans, net of unearned discounts | $ 6,895,358 | $ 6,340,028
Weighted Average Risk Grade | Grade | 7.03 | 6.94
Risk Grade One To Eight [Member] | Commercial Real Estate, Buildings, Land and Other [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | $ 99,466 | $ 105,763
Risk Grade One To Eight [Member] | Construction Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 538,072 | 640,948
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 537,705 | 489,391
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 264,770 | 128,788
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 28,063 | 2,236
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 296 | 486
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 1,613 | 1,726
Financing Receivable, Revolving | 155,567 | 163,293
Loans, net of unearned discounts | $ 1,526,086 | $ 1,430,012
Weighted Average Risk Grade | Grade | 7.27 | 7.04
Risk Grade One To Eight [Member] | Construction Loans [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | $ 0 | $ 3,144
Risk Grade Nine [Member] | Commercial Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 57,625 | 31,275
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 42,618 | 34,950
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 12,258 | 3,651
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 4,952 | 5,400
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 1,641 | 11,006
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 10,383 | 1,014
Financing Receivable, Revolving | 70,142 | 54,856
Loans, net of unearned discounts | 205,244 | 146,192
Risk Grade Nine [Member] | Commercial Portfolio Segment [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | 5,625 | 4,040
Risk Grade Nine [Member] | Commercial and Industrial Total Energy Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 1,137 | 1,561
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 7,315 | 1,611
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,041 | 166
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 562
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 456 | 748
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0
Financing Receivable, Revolving | 17,680 | 6,434
Loans, net of unearned discounts | 27,643 | 11,112
Risk Grade Nine [Member] | Commercial and Industrial Total Energy Loans [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | 14 | 30
Risk Grade Nine [Member] | Commercial Real Estate, Buildings, Land and Other [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 12,173 | 52,288
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 68,007 | 13,139
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 28,870 | 36,264
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 13,250 | 22,086
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 16,272 | 17,699
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 23,214 | 45,590
Financing Receivable, Revolving | 11,143 | 652
Loans, net of unearned discounts | 173,470 | 189,928
Risk Grade Nine [Member] | Commercial Real Estate, Buildings, Land and Other [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | 541 | 2,210
Risk Grade Nine [Member] | Construction Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 3,414 | 12,865
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 35,565 | 2,100
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 79,871 | 2,100
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0
Financing Receivable, Revolving | 8,252 | 17,887
Loans, net of unearned discounts | 127,102 | 34,952
Risk Grade Nine [Member] | Construction Loans [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Risk Grade Ten [Member] | Commercial Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 63,205 | 2,294
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 2,222 | 724
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,307 | 845
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 911 | 4,713
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 4,005 | 1,341
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 581 | 114
Financing Receivable, Revolving | 35,977 | 23,880
Loans, net of unearned discounts | 109,254 | 37,596
Risk Grade Ten [Member] | Commercial Portfolio Segment [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | 1,046 | 3,685
Risk Grade Ten [Member] | Commercial and Industrial Total Energy Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 33 | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 428
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 291 | 214
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 494 | 0
Financing Receivable, Revolving | 0 | 0
Loans, net of unearned discounts | 818 | 642
Risk Grade Ten [Member] | Commercial and Industrial Total Energy Loans [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Risk Grade Ten [Member] | Commercial Real Estate, Buildings, Land and Other [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 7,671 | 26,688
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 29,278 | 11,150
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 17,364 | 3,735
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 34,672 | 9,008
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 747 | 29,683
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 3,153 | 5,221
Financing Receivable, Revolving | 3,716 | 5,535
Loans, net of unearned discounts | 96,601 | 91,020
Risk Grade Ten [Member] | Commercial Real Estate, Buildings, Land and Other [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Risk Grade Ten [Member] | Construction Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 13,322 | 859
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 72
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0
Financing Receivable, Revolving | 3,713 | 0
Loans, net of unearned discounts | 17,035 | 931
Risk Grade Ten [Member] | Construction Loans [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Risk Grade Eleven [Member] | Commercial Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 9,450 | 2,342
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 16,837 | 1,357
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 25,932 | 6,720
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 7,854 | 1,807
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 2,530 | 1,229
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 1,153 | 1,644
Financing Receivable, Revolving | 58,134 | 19,582
Loans, net of unearned discounts | 125,261 | 36,963
Risk Grade Eleven [Member] | Commercial Portfolio Segment [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | 3,371 | 2,282
Risk Grade Eleven [Member] | Commercial and Industrial Total Energy Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 7,956
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 162
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 25 | 157
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 106 | 3,145
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 2,989 | 86
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 63
Financing Receivable, Revolving | 21,650 | 0
Loans, net of unearned discounts | 25,555 | 11,569
Risk Grade Eleven [Member] | Commercial and Industrial Total Energy Loans [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | 785 | 0
Risk Grade Eleven [Member] | Commercial Real Estate, Buildings, Land and Other [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 4,105 | 10,199
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 20,589 | 19,073
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 20,119 | 12,631
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 16,363 | 4,778
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 793 | 2,525
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 51,739 | 28,841
Financing Receivable, Revolving | 0 | 2,993
Loans, net of unearned discounts | 114,071 | 81,550
Risk Grade Eleven [Member] | Commercial Real Estate, Buildings, Land and Other [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | 363 | 510
Risk Grade Eleven [Member] | Construction Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 5,912 | 11,352
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 3,104 | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0
Financing Receivable, Revolving | 1,485 | 0
Loans, net of unearned discounts | 10,501 | 11,352
Risk Grade Eleven [Member] | Construction Loans [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Risk Grade Twelve [Member] | Commercial Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 359 | 1,052
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,635 | 866
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 950 | 2,972
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 1,257 | 1,177
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 1,006 | 191
Financing Receivable, Revolving | 1 | 673
Loans, net of unearned discounts | 17,102 | 12,521
Risk Grade Twelve [Member] | Commercial Portfolio Segment [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | 11,894 | 5,590
Risk Grade Twelve [Member] | Commercial and Industrial Total Energy Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 5,875 | 3,995
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 72
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 56 | 1,386
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 1,321 | 10
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0
Financing Receivable, Revolving | 1,402 | 4,571
Loans, net of unearned discounts | 8,800 | 10,840
Risk Grade Twelve [Member] | Commercial and Industrial Total Energy Loans [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | 146 | 806
Risk Grade Twelve [Member] | Commercial Real Estate, Buildings, Land and Other [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 17,449 | 1,049
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 150 | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 217
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 1,451 | 266
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 720 | 1,425
Financing Receivable, Revolving | 0 | 0
Loans, net of unearned discounts | 19,770 | 2,957
Risk Grade Twelve [Member] | Commercial Real Estate, Buildings, Land and Other [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Risk Grade Twelve [Member] | Construction Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0
Financing Receivable, Revolving | 0 | 0
Loans, net of unearned discounts | 0 | 0
Risk Grade Twelve [Member] | Construction Loans [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Risk Grade Thirteen [Member] | Commercial Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 200
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 223
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 35 | 270
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 20
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0
Financing Receivable, Revolving | 8 | 2,300
Loans, net of unearned discounts | 2,443 | 5,609
Risk Grade Thirteen [Member] | Commercial Portfolio Segment [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | 2,400 | 2,596
Risk Grade Thirteen [Member] | Commercial and Industrial Total Energy Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 662
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0
Financing Receivable, Revolving | 2,700 | 3,060
Loans, net of unearned discounts | 2,700 | 4,384
Risk Grade Thirteen [Member] | Commercial and Industrial Total Energy Loans [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | 0 | 662
Risk Grade Thirteen [Member] | Commercial Real Estate, Buildings, Land and Other [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 2,650 | 595
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0
Financing Receivable, Revolving | 0 | 0
Loans, net of unearned discounts | 2,650 | 595
Risk Grade Thirteen [Member] | Commercial Real Estate, Buildings, Land and Other [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Risk Grade Thirteen [Member] | Construction Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0
Financing Receivable, Revolving | 0 | 0
Loans, net of unearned discounts | 0 | 0
Risk Grade Thirteen [Member] | Construction Loans [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | $ 0 | $ 0

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