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Loans (Weighted Average Risk Grades for All Commercial Loans by Class) (Detail) $ in Thousands | Dec. 31, 2021 USD ($) Grade | Dec. 31, 2020 USD ($) Grade
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts | $ 16,336,397 | $ 17,481,309
Commercial Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 1,630,524 | 1,397,141
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 693,324 | 608,464
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 392,408 | 343,825
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 214,163 | 258,737
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 150,922 | 121,652
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 143,292 | 119,250
Financing Receivable, Revolving | 2,075,632 | 2,019,121
Loans, net of unearned discounts | $ 5,364,954 | $ 4,955,341
Weighted Average Risk Grade | Grade | 6.22 | 6.45
Commercial Portfolio Segment [Member] | Revolving Credit Facility |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 6.21 | 6.38
Commercial Portfolio Segment [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | $ 64,689 | $ 87,151
Weighted Average Risk Grade | Grade | 8.04 | 7.51
Commercial Portfolio Segment [Member] | 2021 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 5.91 |
Commercial Portfolio Segment [Member] | 2020 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 6.30 | 6.19
Commercial Portfolio Segment [Member] | 2019 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 6.89 | 6.88
Commercial Portfolio Segment [Member] | 2018 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.06 | 7.22
Commercial Portfolio Segment [Member] | 2017 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 5.91 | 6.39
Commercial Portfolio Segment [Member] | 2016 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade |  | 6.32
Commercial Portfolio Segment [Member] | Prior Years |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 5.80 | 5.84
Commercial and Industrial Total Energy Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | $ 475,023 | $ 524,270
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 9,539 | 48,853
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 20,991 | 16,310
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 9,480 | 8,083
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 3,110 | 2,174
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 5,638 | 5,346
Financing Receivable, Revolving | 483,020 | 592,094
Loans, net of unearned discounts | $ 1,077,792 | $ 1,235,198
Weighted Average Risk Grade | Grade | 6.06 | 6.85
Commercial and Industrial Total Energy Loans [Member] | Revolving Credit Facility |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 5.61 | 6.45
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 | $ 70,991 | $ 38,068
Weighted Average Risk Grade | Grade | 6.46 | 8.20
Commercial and Industrial Total Energy Loans [Member] | 2021 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 6.21 |
Commercial and Industrial Total Energy Loans [Member] | 2020 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.81 | 6.86
Commercial and Industrial Total Energy Loans [Member] | 2019 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 9.34 | 9.57
Commercial and Industrial Total Energy Loans [Member] | 2018 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 8.60 | 8.68
Commercial and Industrial Total Energy Loans [Member] | 2017 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.12 | 7.40
Commercial and Industrial Total Energy Loans [Member] | 2016 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade |  | 7.85
Commercial and Industrial Total Energy Loans [Member] | Prior Years |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.63 | 8.06
Commercial Real Estate, Buildings, Land and Other [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | $ 1,761,554 | $ 1,629,815
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 1,257,055 | 1,086,073
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,008,366 | 883,701
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 632,020 | 764,197
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 612,767 | 495,617
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 825,249 | 804,894
Financing Receivable, Revolving | 59,595 | 74,403
Loans, net of unearned discounts | $ 6,272,339 | $ 5,796,653
Weighted Average Risk Grade | Grade | 7.22 | 7.34
Commercial Real Estate, Buildings, Land and Other [Member] | Revolving Credit Facility |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.06 | 7.54
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 | $ 115,733 | $ 57,953
Weighted Average Risk Grade | Grade | 7.02 | 7.12
Commercial Real Estate, Buildings, Land and Other [Member] | 2021 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.19 |
Commercial Real Estate, Buildings, Land and Other [Member] | 2020 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.18 | 7.13
Commercial Real Estate, Buildings, Land and Other [Member] | 2019 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.35 | 7.36
Commercial Real Estate, Buildings, Land and Other [Member] | 2018 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.39 | 7.54
Commercial Real Estate, Buildings, Land and Other [Member] | 2017 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.34 | 7.55
Commercial Real Estate, Buildings, Land and Other [Member] | 2016 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade |  | 7.54
Commercial Real Estate, Buildings, Land and Other [Member] | Prior Years |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.01 | 7.20
Construction Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | $ 693,192 | $ 420,477
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 268,080 | 452,644
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 178,226 | 196,170
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 2,339 | 2,915
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 484 | 1,144
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 1,930 | 1,758
Financing Receivable, Revolving | 160,020 | 147,575
Loans, net of unearned discounts | $ 1,304,271 | $ 1,223,814
Weighted Average Risk Grade | Grade | 7.06 | 7.22
Construction Loans [Member] | Revolving Credit Facility |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 6.79 | 7.29
Construction Loans [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Revolving, Converted to Term Loan | $ 0 | $ 1,131
Weighted Average Risk Grade | Grade | 0 | 9.00
Construction Loans [Member] | 2021 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.17 |
Construction Loans [Member] | 2020 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 6.56 | 6.82
Construction Loans [Member] | 2019 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.60 | 7.18
Construction Loans [Member] | 2018 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.51 | 8.08
Construction Loans [Member] | 2017 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 8.92 | 8.95
Construction Loans [Member] | 2016 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade |  | 7.30
Construction Loans [Member] | Prior Years |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 6.73 | 6.44
Commercial Real Estate Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | $ 2,454,746 | $ 2,050,292
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 1,525,135 | 1,538,717
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,186,592 | 1,079,871
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 634,359 | 767,112
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 613,251 | 496,761
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 827,179 | 806,652
Financing Receivable, Revolving | 219,615 | 221,978
Loans, net of unearned discounts | $ 7,576,610 | $ 7,020,467
Weighted Average Risk Grade | Grade | 7.19 | 7.32
Commercial Real Estate Portfolio Segment [Member] | Revolving Credit Facility |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 6.86 | 7.37
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 | $ 115,733 | $ 59,084
Weighted Average Risk Grade | Grade | 7.02 | 7.15
Commercial Real Estate Portfolio Segment [Member] | 2021 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.18 |
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 | 7.39 | 7.31
Commercial Real Estate Portfolio Segment [Member] | 2018 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.39 | 7.64
Commercial Real Estate Portfolio Segment [Member] | 2017 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.34 | 7.56
Commercial Real Estate Portfolio Segment [Member] | 2016 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade |  | 7.54
Commercial Real Estate Portfolio Segment [Member] | Prior Years |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted Average Risk Grade | Grade | 7.00 | 7.20
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 | $ 1,567,883 | $ 1,300,844
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 657,529 | 552,885
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 350,563 | 290,088
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 179,209 | 226,232
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 146,064 | 107,063
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 131,201 | 113,458
Financing Receivable, Revolving | 1,987,061 | 1,852,341
Loans, net of unearned discounts | $ 5,063,847 | $ 4,506,121
Weighted Average Risk Grade | Grade | 6.01 | 6.13
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 | $ 44,337 | $ 63,210
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 | 445,489 | 403,156
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 8,075 | 18,911
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 9,259 | 9,759
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 6,441 | 8,083
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 3,110 | 1,415
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 4,368 | 4,326
Financing Receivable, Revolving | 464,454 | 494,946
Loans, net of unearned discounts | $ 1,008,370 | $ 968,144
Weighted Average Risk Grade | Grade | 5.78 | 5.99
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 | $ 67,174 | $ 27,548
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 | 1,707,550 | 1,544,558
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 1,096,274 | 947,102
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 874,130 | 749,879
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 533,362 | 605,152
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 492,492 | 432,941
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 713,268 | 661,301
Financing Receivable, Revolving | 52,150 | 56,600
Loans, net of unearned discounts | $ 5,574,922 | $ 5,047,873
Weighted Average Risk Grade | Grade | 6.91 | 6.97
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 | $ 105,696 | $ 50,340
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 | 657,471 | 374,661
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 262,176 | 436,077
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 178,226 | 168,517
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 2,339 | 67
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 38 | 1,144
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 1,930 | 1,758
Financing Receivable, Revolving | 160,020 | 127,801
Loans, net of unearned discounts | $ 1,262,200 | $ 1,110,025
Weighted Average Risk Grade | Grade | 6.99 | 6.99
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 | $ 0
Risk Grade Nine [Member] | Commercial Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 32,866 | 50,785
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 21,094 | 37,865
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 24,683 | 33,961
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 26,327 | 20,851
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 612 | 12,348
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 11,419 | 5,510
Financing Receivable, Revolving | 65,131 | 85,756
Loans, net of unearned discounts | 187,870 | 256,198
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 | 5,738 | 9,122
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 | 19,274 | 105,772
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 611 | 2,272
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,775 | 1,743
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 187 | 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 | 724 | 0
Financing Receivable, Revolving | 11,635 | 18,194
Loans, net of unearned discounts | 36,622 | 133,547
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 | 2,416 | 5,566
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 | 16,302 | 45,527
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 145,340 | 81,224
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 52,427 | 75,893
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 43,806 | 45,485
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 27,188 | 26,745
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 27,767 | 37,728
Financing Receivable, Revolving | 4,445 | 10,521
Loans, net of unearned discounts | 321,533 | 325,227
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 | 4,258 | 2,104
Risk Grade Nine [Member] | Construction Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 35,721 | 37,430
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 4,956 | 16,567
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 | 2,848
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 446 | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0
Financing Receivable, Revolving | 0 | 14,311
Loans, net of unearned discounts | 41,123 | 72,287
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 | 1,131
Risk Grade Ten [Member] | Commercial Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 27,961 | 31,333
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 6,273 | 7,361
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 4,047 | 11,379
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 4,357 | 6,749
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 1,021 | 710
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 98 | 113
Financing Receivable, Revolving | 14,091 | 65,180
Loans, net of unearned discounts | 59,137 | 125,977
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 | 1,289 | 3,152
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 | 703
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 101 | 4,049
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 631 | 1,339
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 511 | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 759
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0
Financing Receivable, Revolving | 0 | 37,637
Loans, net of unearned discounts | 1,773 | 46,427
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 | 530 | 1,940
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 | 28,209 | 14,183
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 13,813 | 36,414
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 69,643 | 45,014
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 46,250 | 71,814
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 64,950 | 25,343
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 46,582 | 60,225
Financing Receivable, Revolving | 0 | 200
Loans, net of unearned discounts | 269,447 | 258,454
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 | 5,261
Risk Grade Ten [Member] | Construction Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 5,846
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 | 27,653
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 | 5,463
Loans, net of unearned discounts | 0 | 38,962
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 | 1,178 | 4,700
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 4,572 | 7,002
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 8,068 | 6,551
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 2,450 | 3,416
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 2,460 | 1,426
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 221 | 140
Financing Receivable, Revolving | 4,714 | 15,005
Loans, net of unearned discounts | 31,518 | 47,196
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 | 7,855 | 8,956
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 | 10,260 | 12,218
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 752 | 16,849
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 3,968 | 1,325
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 1,016 | 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 | 546 | 661
Financing Receivable, Revolving | 0 | 30,124
Loans, net of unearned discounts | 16,594 | 63,912
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 | 52 | 2,735
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 | 3,455 | 22,633
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 1,321 | 16,302
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 8,720 | 11,916
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 7,788 | 39,727
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 26,107 | 8,655
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 34,970 | 42,904
Financing Receivable, Revolving | 3,000 | 6,977
Loans, net of unearned discounts | 91,140 | 149,362
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 | 5,779 | 248
Risk Grade Eleven [Member] | Construction Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 856
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 | 856
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 | 456 | 6,899
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 2,495 | 2,399
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 3,828 | 1,195
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 1,756 | 1,005
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 347 | 105
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 353 | 29
Financing Receivable, Revolving | 613 | 480
Loans, net of unearned discounts | 12,535 | 14,528
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 | 2,687 | 2,416
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 | 0 | 1,101
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 4,580
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 3,888 | 654
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 246 | 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 | 359
Financing Receivable, Revolving | 4,000 | 6,768
Loans, net of unearned discounts | 8,953 | 13,741
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 | 819 | 279
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 | 5,838 | 2,714
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 307 | 5,031
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 3,446 | 999
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 814 | 2,019
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 2,030 | 1,683
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 2,662 | 2,736
Financing Receivable, Revolving | 0 | 42
Loans, net of unearned discounts | 15,097 | 15,224
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 | 1,684
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 748 | 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 | 748 | 1,684
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 | 180 | 2,580
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 1,361 | 952
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,219 | 651
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 64 | 484
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 418 | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0
Financing Receivable, Revolving | 4,022 | 359
Loans, net of unearned discounts | 10,047 | 5,321
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 | 2,783 | 295
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 | 1,320
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 2,192
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,470 | 1,490
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 1,079 | 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 | 2,931 | 4,425
Loans, net of unearned discounts | 5,480 | 9,427
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 | 0
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 | 200 | 200
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 | 250
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0
Financing Receivable, Revolving | 0 | 63
Loans, net of unearned discounts | 200 | 513
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 | 200 | 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 | 200 | 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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