v3.22.4
Loans (Weighted Average Risk Grades for All Commercial Loans by Class) (Detail)
$ in Thousands
Dec. 31, 2022
USD ($)
Grade
Dec. 31, 2021
USD ($)
Grade
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans, net of unearned discounts $ 17,154,969 $ 16,336,397
Commercial Portfolio Segment [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Financing Receivable, Year One, Originated, Current Fiscal Year 1,703,185 1,630,524
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 657,039 693,324
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 498,213 392,408
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 241,997 214,163
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 138,541 150,922
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 195,754 143,292
Financing Receivable, Revolving 2,170,182 2,075,632
Loans, net of unearned discounts $ 5,674,798 $ 5,364,954
Weighted Average Risk Grade | Grade 6.39 6.22
Commercial Portfolio Segment [Member] | Revolving Credit Facility    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 6.26 6.21
Commercial Portfolio Segment [Member] | Revolving Loans Converted to Term    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Financing Receivable, Revolving, Converted to Term Loan $ 69,887 $ 64,689
Weighted Average Risk Grade | Grade 7.68 8.04
Commercial Portfolio Segment [Member] | 2022    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 6.37  
Commercial Portfolio Segment [Member] | 2021    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 7.05 5.91
Commercial Portfolio Segment [Member] | 2020    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 6.01 6.30
Commercial Portfolio Segment [Member] | 2019    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 6.59 6.89
Commercial Portfolio Segment [Member] | 2018    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 6.87 7.06
Commercial Portfolio Segment [Member] | 2017    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade   5.91
Commercial Portfolio Segment [Member] | Prior Years    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 5.55 5.80
Commercial and Industrial Total Energy Loans [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Financing Receivable, Year One, Originated, Current Fiscal Year $ 352,224 $ 475,023
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 100,862 9,539
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 5,312 20,991
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 8,659 9,480
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 3,078 3,110
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 2,913 5,638
Financing Receivable, Revolving 408,022 483,020
Loans, net of unearned discounts $ 925,729 $ 1,077,792
Weighted Average Risk Grade | Grade 5.67 6.06
Commercial and Industrial Total Energy Loans [Member] | Revolving Credit Facility    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 5.18 5.61
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 $ 44,659 $ 70,991
Weighted Average Risk Grade | Grade 5.69 6.46
Commercial and Industrial Total Energy Loans [Member] | 2022    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 6.09  
Commercial and Industrial Total Energy Loans [Member] | 2021    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 5.65 6.21
Commercial and Industrial Total Energy Loans [Member] | 2020    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 7.65 7.81
Commercial and Industrial Total Energy Loans [Member] | 2019    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 9.64 9.34
Commercial and Industrial Total Energy Loans [Member] | 2018    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 8.02 8.60
Commercial and Industrial Total Energy Loans [Member] | 2017    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade   7.12
Commercial and Industrial Total Energy Loans [Member] | Prior Years    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 6.59 7.63
Commercial Real Estate, Buildings, Land and Other [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Financing Receivable, Year One, Originated, Current Fiscal Year $ 1,901,888 $ 1,761,554
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 1,528,173 1,257,055
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 1,009,197 1,008,366
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 745,031 632,020
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 410,327 612,767
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 882,021 825,249
Financing Receivable, Revolving 120,958 59,595
Loans, net of unearned discounts $ 6,706,078 $ 6,272,339
Weighted Average Risk Grade | Grade 7.09 7.22
Commercial Real Estate, Buildings, Land and Other [Member] | Revolving Credit Facility    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 7.38 7.06
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 $ 108,483 $ 115,733
Weighted Average Risk Grade | Grade 6.43 7.02
Commercial Real Estate, Buildings, Land and Other [Member] | 2022    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 7.01  
Commercial Real Estate, Buildings, Land and Other [Member] | 2021    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 7.26 7.19
Commercial Real Estate, Buildings, Land and Other [Member] | 2020    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 7.14 7.18
Commercial Real Estate, Buildings, Land and Other [Member] | 2019    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 7.01 7.35
Commercial Real Estate, Buildings, Land and Other [Member] | 2018    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 7.33 7.39
Commercial Real Estate, Buildings, Land and Other [Member] | 2017    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade   7.34
Commercial Real Estate, Buildings, Land and Other [Member] | Prior Years    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 6.94 7.01
Construction Loans [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Financing Receivable, Year One, Originated, Current Fiscal Year $ 666,024 $ 693,192
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 491,563 268,080
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 130,888 178,226
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 2,236 2,339
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 486 484
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 1,726 1,930
Financing Receivable, Revolving 181,180 160,020
Loans, net of unearned discounts $ 1,477,247 $ 1,304,271
Weighted Average Risk Grade | Grade 7.12 7.06
Construction Loans [Member] | Revolving Credit Facility    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 7.23 6.79
Construction Loans [Member] | Revolving Loans Converted to Term    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Financing Receivable, Revolving, Converted to Term Loan $ 3,144 $ 0
Weighted Average Risk Grade | Grade 5.03 0
Construction Loans [Member] | 2022    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 7.29  
Construction Loans [Member] | 2021    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 7.03 7.17
Construction Loans [Member] | 2020    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 6.43 6.56
Construction Loans [Member] | 2019    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 7.04 7.60
Construction Loans [Member] | 2018    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 6.00 7.51
Construction Loans [Member] | 2017    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade   8.92
Construction Loans [Member] | Prior Years    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 6.76 6.73
Commercial Real Estate Portfolio Segment [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Financing Receivable, Year One, Originated, Current Fiscal Year $ 2,567,912 $ 2,454,746
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 2,019,736 1,525,135
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 1,140,085 1,186,592
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 747,267 634,359
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 410,813 613,251
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 883,747 827,179
Financing Receivable, Revolving 302,138 219,615
Loans, net of unearned discounts $ 8,183,325 $ 7,576,610
Weighted Average Risk Grade | Grade 7.10 7.19
Commercial Real Estate Portfolio Segment [Member] | Revolving Credit Facility    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 7.29 6.86
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 $ 111,627 $ 115,733
Weighted Average Risk Grade | Grade 6.39 7.02
Commercial Real Estate Portfolio Segment [Member] | 2022    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 7.08  
Commercial Real Estate Portfolio Segment [Member] | 2021    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 7.20 7.18
Commercial Real Estate Portfolio Segment [Member] | 2020    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 7.06 7.07
Commercial Real Estate Portfolio Segment [Member] | 2019    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 7.01 7.39
Commercial Real Estate Portfolio Segment [Member] | 2018    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 7.33 7.39
Commercial Real Estate Portfolio Segment [Member] | 2017    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade   7.34
Commercial Real Estate Portfolio Segment [Member] | Prior Years    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Weighted Average Risk Grade | Grade 6.94 7.00
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 $ 1,667,274 $ 1,567,883
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 618,756 657,529
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 485,908 350,563
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 226,835 179,209
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 123,768 146,064
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 192,791 131,201
Financing Receivable, Revolving 2,068,891 1,987,061
Loans, net of unearned discounts $ 5,435,917 $ 5,063,847
Weighted Average Risk Grade | Grade 6.24 6.01
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 $ 51,694 $ 44,337
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 338,050 445,489
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 99,089 8,075
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 4,917 9,259
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 3,138 6,441
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 2,020 3,110
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 2,850 4,368
Financing Receivable, Revolving 393,957 464,454
Loans, net of unearned discounts $ 887,182 $ 1,008,370
Weighted Average Risk Grade | Grade 5.44 5.78
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 $ 43,161 $ 67,174
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 1,811,069 1,707,550
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 1,484,811 1,096,274
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 956,567 874,130
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 708,942 533,362
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 360,154 492,492
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 800,944 713,268
Financing Receivable, Revolving 111,778 52,150
Loans, net of unearned discounts $ 6,340,028 $ 5,574,922
Weighted Average Risk Grade | Grade 6.94 6.91
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 $ 105,763 $ 105,696
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 640,948 657,471
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 489,391 262,176
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 128,788 178,226
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 2,236 2,339
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 486 38
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 1,726 1,930
Financing Receivable, Revolving 163,293 160,020
Loans, net of unearned discounts $ 1,430,012 $ 1,262,200
Weighted Average Risk Grade | Grade 7.04 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 $ 3,144 $ 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 31,275 32,866
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 34,950 21,094
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 3,651 24,683
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 5,400 26,327
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 11,006 612
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 1,014 11,419
Financing Receivable, Revolving 54,856 65,131
Loans, net of unearned discounts 146,192 187,870
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 4,040 5,738
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 1,561 19,274
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 1,611 611
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 166 1,775
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 562 187
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 748 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0 724
Financing Receivable, Revolving 6,434 11,635
Loans, net of unearned discounts 11,112 36,622
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 30 2,416
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 52,288 16,302
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 13,139 145,340
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 36,264 52,427
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 22,086 43,806
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 17,699 27,188
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 45,590 27,767
Financing Receivable, Revolving 652 4,445
Loans, net of unearned discounts 189,928 321,533
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 2,210 4,258
Risk Grade Nine [Member] | Construction Loans [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Financing Receivable, Year One, Originated, Current Fiscal Year 12,865 35,721
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 2,100 4,956
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 2,100 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 0 446
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0 0
Financing Receivable, Revolving 17,887 0
Loans, net of unearned discounts 34,952 41,123
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 2,294 27,961
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 724 6,273
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 845 4,047
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 4,713 4,357
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 1,341 1,021
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 114 98
Financing Receivable, Revolving 23,880 14,091
Loans, net of unearned discounts 37,596 59,137
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 3,685 1,289
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 0 101
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0 631
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 428 511
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 214 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0 0
Financing Receivable, Revolving 0 0
Loans, net of unearned discounts 642 1,773
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 0 530
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 26,688 28,209
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 11,150 13,813
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 3,735 69,643
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 9,008 46,250
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 29,683 64,950
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 5,221 46,582
Financing Receivable, Revolving 5,535 0
Loans, net of unearned discounts 91,020 269,447
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 859 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 72 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 931 0
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 2,342 1,178
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 1,357 4,572
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 6,720 8,068
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 1,807 2,450
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 1,229 2,460
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 1,644 221
Financing Receivable, Revolving 19,582 4,714
Loans, net of unearned discounts 36,963 31,518
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 2,282 7,855
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 7,956 10,260
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 162 752
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 157 3,968
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 3,145 1,016
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 86 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 63 546
Financing Receivable, Revolving 0 0
Loans, net of unearned discounts 11,569 16,594
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 0 52
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 10,199 3,455
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 19,073 1,321
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 12,631 8,720
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 4,778 7,788
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 2,525 26,107
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 28,841 34,970
Financing Receivable, Revolving 2,993 3,000
Loans, net of unearned discounts 81,550 91,140
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 510 5,779
Risk Grade Eleven [Member] | Construction Loans [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Financing Receivable, Year One, Originated, Current Fiscal Year 11,352 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 11,352 0
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 0 456
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 1,052 2,495
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 866 3,828
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 2,972 1,756
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 1,177 347
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 191 353
Financing Receivable, Revolving 673 613
Loans, net of unearned discounts 12,521 12,535
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 5,590 2,687
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 3,995 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 72 3,888
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 1,386 246
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 10 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0 0
Financing Receivable, Revolving 4,571 4,000
Loans, net of unearned discounts 10,840 8,953
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 806 819
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 1,049 5,838
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0 307
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0 3,446
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 217 814
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 266 2,030
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 1,425 2,662
Financing Receivable, Revolving 0 0
Loans, net of unearned discounts 2,957 15,097
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 0 748
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 0 748
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 0 180
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 200 1,361
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 223 1,219
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 270 64
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 20 418
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0 0
Financing Receivable, Revolving 2,300 4,022
Loans, net of unearned discounts 5,609 10,047
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 2,596 2,783
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 662 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 1,470
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0 1,079
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 3,060 2,931
Loans, net of unearned discounts 4,384 5,480
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 662 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 595 200
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 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 0 0
Financing Receivable, Revolving 0 0
Loans, net of unearned discounts 595 200
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 0 200
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 0 200
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