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Loans and Allowance for Credit Losses Credit Quality Indicators (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Total          
Total $ 18,920,950   $ 18,920,950   $ 18,325,350
Current period gross charge-offs (1,618) $ (9,522) (3,518) $ (17,724)  
Current period recoveries 5,367 2,568 8,321 4,589  
Total net (charge-offs) recoveries (3,749) $ 6,954 (4,803) $ 13,135  
Commercial and Industrial          
Total          
Total 4,173,114   4,173,114   4,208,327
Real estate - commercial mortgage          
Total          
Total 7,417,036   7,417,036   7,279,080
Real-estate - home equity          
Total          
Total 1,108,808   1,108,808   1,118,248
Real estate - residential mortgage          
Total          
Total 4,203,827   4,203,827   3,846,750
Consumer          
Total          
Total 538,747   538,747   464,657
Equipment lease financing, other and overdrafts          
Total          
Total 301,972   301,972   268,509
Portfolio Segment and Loan Class [Member]          
2022          
Total 990,574   990,574   2,147,375
2021          
Total 1,894,063   1,894,063   1,824,121
2020          
Total 1,776,033   1,776,033   1,525,318
2019          
Total 1,395,175   1,395,175   1,088,270
2018          
Total 996,440   996,440   1,020,725
Prior          
Total 4,000,363   4,000,363   3,445,114
Revolving Loans Amortized Cost Basis          
Total 1,462,280   1,462,280   1,382,610
Total          
Total 12,516,779   12,516,779   12,436,655
Portfolio Segment and Loan Class [Member] | Pass          
2022          
Total 983,423   983,423   2,132,067
2021          
Total 1,841,000   1,841,000   1,735,785
2020          
Total 1,702,747   1,702,747   1,336,686
2019          
Total 1,212,689   1,212,689   941,344
2018          
Total 854,922   854,922   877,443
Prior          
Total 3,561,611   3,561,611   3,055,227
Revolving Loans Amortized Cost Basis          
Total 1,326,877   1,326,877   1,279,636
Total          
Total 11,485,047   11,485,047   11,358,527
Portfolio Segment and Loan Class [Member] | Special Mention          
2022          
Total 7,151   7,151   12,546
2021          
Total 45,932   45,932   70,045
2020          
Total 55,667   55,667   140,429
2019          
Total 116,990   116,990   53,781
2018          
Total 51,528   51,528   59,665
Prior          
Total 195,027   195,027   199,427
Revolving Loans Amortized Cost Basis          
Total 67,722   67,722   52,501
Total          
Total 540,017   540,017   588,489
Portfolio Segment and Loan Class [Member] | Substandard or Lower          
2022          
Total 0   0   2,762
2021          
Total 7,131   7,131   18,291
2020          
Total 17,619   17,619   48,203
2019          
Total 65,496   65,496   93,145
2018          
Total 89,990   89,990   83,617
Prior          
Total 243,725   243,725   190,460
Revolving Loans Amortized Cost Basis          
Total 67,681   67,681   50,473
Total          
Total 491,715   491,715   489,639
Portfolio Segment and Loan Class [Member] | Real estate - construction(1)          
2022          
Total 42,940   42,940   195,873
Current period gross charge-offs     0   0
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   0
2021          
Total 292,317   292,317   316,586
Current period gross charge-offs     0   0
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   0
2020          
Total 289,178   289,178   123,229
Current period gross charge-offs     0   (39)
Current period recoveries     0   39
Total net (charge-offs) recoveries     0   0
2019          
Total 76,604   76,604   104,086
Current period gross charge-offs     0   0
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   0
2018          
Total 49,664   49,664   35,181
Current period gross charge-offs     0   0
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   0
Prior          
Total 145,520   145,520   127,657
Current period gross charge-offs     0   0
Current period recoveries     0   1,373
Total net (charge-offs) recoveries     0   1,373
Revolving Loans Amortized Cost Basis          
Total 29,352   29,352   46,636
Current period gross charge-offs     0   0
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   0
Total          
Total 926,629   926,629   949,248
Current period gross charge-offs     0   (39)
Current period recoveries     44   1,412
Total net (charge-offs) recoveries     (44)   (1,373)
Portfolio Segment and Loan Class [Member] | Real estate - construction(1) | Pass          
2022          
Total 42,940   42,940   190,030
2021          
Total 292,317   292,317   315,811
2020          
Total 287,166   287,166   113,245
2019          
Total 66,620   66,620   83,886
2018          
Total 49,664   49,664   17,545
Prior          
Total 120,391   120,391   117,157
Revolving Loans Amortized Cost Basis          
Total 29,138   29,138   46,409
Total          
Total 889,290   889,290   884,083
Portfolio Segment and Loan Class [Member] | Real estate - construction(1) | Special Mention          
2022          
Total 0   0   5,843
2021          
Total 0   0   775
2020          
Total 2,012   2,012   9,984
2019          
Total 9,984   9,984   20,200
2018          
Total 0   0   15,724
Prior          
Total 20,678   20,678   6,315
Revolving Loans Amortized Cost Basis          
Total 0   0   0
Total          
Total 32,674   32,674   58,841
Portfolio Segment and Loan Class [Member] | Real estate - construction(1) | Substandard or Lower          
2022          
Total 0   0   0
2021          
Total 0   0   0
2020          
Total 0   0   0
2019          
Total 0   0   0
2018          
Total 0   0   1,912
Prior          
Total 4,451   4,451   4,185
Revolving Loans Amortized Cost Basis          
Total 214   214   227
Total          
Total 4,665   4,665   6,324
Portfolio Segment and Loan Class [Member] | Commercial and Industrial          
2022          
Total 469,547   469,547   862,535
Current period gross charge-offs     0   (2,977)
Current period recoveries     0   6
Total net (charge-offs) recoveries     0   (2,971)
2021          
Total 552,596   552,596   539,115
Current period gross charge-offs     0   (406)
Current period recoveries     0   39
Total net (charge-offs) recoveries     0   (367)
2020          
Total 455,980   455,980   449,905
Current period gross charge-offs     (36)   (4,966)
Current period recoveries     30   4,691
Total net (charge-offs) recoveries     (6)   (275)
2019          
Total 384,576   384,576   265,433
Current period gross charge-offs     0   (208)
Current period recoveries     95   841
Total net (charge-offs) recoveries     95   633
2018          
Total 224,332   224,332   169,933
Current period gross charge-offs     (21)   (286)
Current period recoveries     379   457
Total net (charge-offs) recoveries     358   171
Prior          
Total 720,117   720,117   639,967
Current period gross charge-offs     0   (800)
Current period recoveries     569   2,342
Total net (charge-offs) recoveries     569   1,542
Revolving Loans Amortized Cost Basis          
Total 1,365,169   1,365,169   1,279,805
Current period gross charge-offs     (174)   (5,694)
Current period recoveries     545   1,211
Total net (charge-offs) recoveries     371   (4,483)
Total          
Total 4,173,114   4,173,114   4,208,327
Current period gross charge-offs     (428)   (15,337)
Current period recoveries     2,719   9,587
Total net (charge-offs) recoveries     (2,291)   5,750
Portfolio Segment and Loan Class [Member] | Commercial and Industrial | Pass          
2022          
Total 462,732   462,732   855,924
2021          
Total 533,826   533,826   520,802
2020          
Total 436,620   436,620   396,575
2019          
Total 346,343   346,343   232,805
2018          
Total 203,490   203,490   147,675
Prior          
Total 665,347   665,347   581,762
Revolving Loans Amortized Cost Basis          
Total 1,232,430   1,232,430   1,177,857
Total          
Total 3,881,512   3,881,512   3,913,739
Portfolio Segment and Loan Class [Member] | Commercial and Industrial | Special Mention          
2022          
Total 6,815   6,815   5,386
2021          
Total 13,149   13,149   8,538
2020          
Total 10,076   10,076   33,937
2019          
Total 9,843   9,843   8,301
2018          
Total 5,927   5,927   10,346
Prior          
Total 21,322   21,322   23,380
Revolving Loans Amortized Cost Basis          
Total 65,728   65,728   52,386
Total          
Total 132,860   132,860   142,369
Portfolio Segment and Loan Class [Member] | Commercial and Industrial | Substandard or Lower          
2022          
Total 0   0   1,225
2021          
Total 5,621   5,621   9,775
2020          
Total 9,284   9,284   19,393
2019          
Total 28,390   28,390   24,327
2018          
Total 14,915   14,915   11,912
Prior          
Total 33,448   33,448   34,825
Revolving Loans Amortized Cost Basis          
Total 67,011   67,011   49,562
Total          
Total 158,742   158,742   152,219
Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage          
2022          
Total 478,087   478,087   1,088,967
Current period gross charge-offs     0   0
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   0
2021          
Total 1,049,150   1,049,150   968,420
Current period gross charge-offs     0   0
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   0
2020          
Total 1,030,875   1,030,875   952,184
Current period gross charge-offs     0   (14)
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   (14)
2019          
Total 933,995   933,995   718,751
Current period gross charge-offs     0   (25)
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   (25)
2018          
Total 722,444   722,444   815,611
Current period gross charge-offs     0   (6,972)
Current period recoveries     0   983
Total net (charge-offs) recoveries     0   (5,989)
Prior          
Total 3,134,726   3,134,726   2,677,490
Current period gross charge-offs     0   (1,517)
Current period recoveries     4   1,491
Total net (charge-offs) recoveries     4   (26)
Revolving Loans Amortized Cost Basis          
Total 67,759   67,759   56,169
Current period gross charge-offs     0   (198)
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   (198)
Total          
Total 7,417,036   7,417,036   7,279,080
Current period gross charge-offs     (152)   (8,726)
Current period recoveries     3,648   2,474
Total net (charge-offs) recoveries     (3,496)   6,252
Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage | Pass          
2022          
Total 477,751   477,751   1,086,113
2021          
Total 1,014,857   1,014,857   899,172
2020          
Total 978,961   978,961   826,866
2019          
Total 799,726   799,726   624,653
2018          
Total 601,768   601,768   712,223
Prior          
Total 2,775,873   2,775,873   2,356,308
Revolving Loans Amortized Cost Basis          
Total 65,309   65,309   55,370
Total          
Total 6,714,245   6,714,245   6,560,705
Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage | Special Mention          
2022          
Total 336   336   1,317
2021          
Total 32,783   32,783   60,732
2020          
Total 43,579   43,579   96,508
2019          
Total 97,163   97,163   25,280
2018          
Total 45,601   45,601   33,595
Prior          
Total 153,027   153,027   169,732
Revolving Loans Amortized Cost Basis          
Total 1,994   1,994   115
Total          
Total 374,483   374,483   387,279
Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage | Substandard or Lower          
2022          
Total 0   0   1,537
2021          
Total 1,510   1,510   8,516
2020          
Total 8,335   8,335   28,810
2019          
Total 37,106   37,106   68,818
2018          
Total 75,075   75,075   69,793
Prior          
Total 205,826   205,826   151,450
Revolving Loans Amortized Cost Basis          
Total 456   456   684
Total          
Total 328,308   328,308   331,096
Payment Activity, Aging Status [Member]          
2022          
Total 923,509   923,509   1,952,466
2021          
Total 1,930,899   1,930,899   1,348,730
2020          
Total 1,239,293   1,239,293   470,872
2019          
Total 401,816   401,816   224,975
2018          
Total 180,064   180,064   272,696
Prior          
Total 746,106   746,106   632,441
Revolving Loans Amortized Cost Basis          
Total 854,330   854,330   999,354
Total          
Total 6,426,400   6,426,400   5,905,731
Payment Activity, Aging Status [Member] | Performing          
2022          
Total 923,487   923,487   1,952,344
2021          
Total 1,929,629   1,929,629   1,341,876
2020          
Total 1,232,863   1,232,863   468,623
2019          
Total 396,741   396,741   221,500
2018          
Total 176,144   176,144   253,862
Prior          
Total 702,875   702,875   605,623
Revolving Loans Amortized Cost Basis          
Total 852,242   852,242   990,842
Total          
Total 6,358,652   6,358,652   5,838,669
Payment Activity, Aging Status [Member] | Nonperforming Financial Instruments [Member]          
2022          
Total 22   22   122
2021          
Total 1,270   1,270   6,854
2020          
Total 6,430   6,430   2,249
2019          
Total 5,075   5,075   3,475
2018          
Total 3,920   3,920   18,834
Prior          
Total 43,231   43,231   26,818
Revolving Loans Amortized Cost Basis          
Total 2,088   2,088   8,512
Total          
Total 67,748   67,748   67,062
Payment Activity, Aging Status [Member] | Consumer and Real Estate Home Equity          
2022          
Total 199,028   199,028   162,563
Current period gross charge-offs     0   (175)
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   (175)
2021          
Total 126,813   126,813   103,019
Current period gross charge-offs     (587)   (491)
Current period recoveries     44   223
Total net (charge-offs) recoveries     (543)   (268)
2020          
Total 92,348   92,348   73,829
Current period gross charge-offs     (70)   (496)
Current period recoveries     88   131
Total net (charge-offs) recoveries     18   (365)
2019          
Total 62,902   62,902   68,615
Current period gross charge-offs     (108)   (238)
Current period recoveries     29   131
Total net (charge-offs) recoveries     (79)   (107)
2018          
Total 56,854   56,854   33,568
Current period gross charge-offs     (16)   (224)
Current period recoveries     16   167
Total net (charge-offs) recoveries     0   (57)
Prior          
Total 105,345   105,345   137,760
Current period gross charge-offs     (355)   (411)
Current period recoveries     351   1,048
Total net (charge-offs) recoveries     (4)   637
Revolving Loans Amortized Cost Basis          
Total 854,330   854,330   999,354
Current period gross charge-offs     (77)   (1,274)
Current period recoveries     144   645
Total net (charge-offs) recoveries     67   (629)
Total          
Total 1,647,555   1,647,555   1,582,905
Current period gross charge-offs     (1,929)   (3,309)
Current period recoveries     1,216   2,345
Total net (charge-offs) recoveries     713   964
Payment Activity, Aging Status [Member] | Consumer and Real Estate Home Equity | Performing          
2022          
Total 199,006   199,006   162,441
2021          
Total 126,665   126,665   102,918
2020          
Total 92,240   92,240   73,769
2019          
Total 62,883   62,883   68,564
2018          
Total 56,742   56,742   33,254
Prior          
Total 103,004   103,004   135,412
Revolving Loans Amortized Cost Basis          
Total 852,242   852,242   990,842
Total          
Total 1,637,005   1,637,005   1,571,199
Payment Activity, Aging Status [Member] | Consumer and Real Estate Home Equity | Nonperforming Financial Instruments [Member]          
2022          
Total 22   22   122
2021          
Total 148   148   101
2020          
Total 108   108   60
2019          
Total 19   19   51
2018          
Total 112   112   314
Prior          
Total 2,341   2,341   2,348
Revolving Loans Amortized Cost Basis          
Total 2,088   2,088   8,512
Total          
Total 10,550   10,550   11,706
Payment Activity, Aging Status [Member] | Real estate - residential mortgage          
2022          
Total 537,306   537,306   1,548,174
Current period gross charge-offs     0   0
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   0
2021          
Total 1,592,242   1,592,242   1,140,355
Current period gross charge-offs     0   (626)
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   (626)
2020          
Total 1,073,809   1,073,809   346,814
Current period gross charge-offs     0   (148)
Current period recoveries     4   1
Total net (charge-offs) recoveries     4   (147)
2019          
Total 301,295   301,295   117,225
Current period gross charge-offs     0   (125)
Current period recoveries     0   18
Total net (charge-offs) recoveries     0   (107)
2018          
Total 93,694   93,694   201,008
Current period gross charge-offs     0   (4)
Current period recoveries     27   0
Total net (charge-offs) recoveries     27   (4)
Prior          
Total 605,481   605,481   493,174
Current period gross charge-offs     0   (387)
Current period recoveries     261   264
Total net (charge-offs) recoveries     261   (123)
Revolving Loans Amortized Cost Basis          
Total 0   0   0
Current period gross charge-offs     0   0
Current period recoveries     0   92
Total net (charge-offs) recoveries     0   92
Total          
Total 4,203,827   4,203,827   3,846,750
Current period gross charge-offs     (66)   (1,290)
Current period recoveries     314   375
Total net (charge-offs) recoveries     (248)   915
Payment Activity, Aging Status [Member] | Real estate - residential mortgage | Performing          
2022          
Total 537,306   537,306   1,548,174
2021          
Total 1,591,120   1,591,120   1,133,602
2020          
Total 1,067,487   1,067,487   344,625
2019          
Total 296,239   296,239   113,801
2018          
Total 89,886   89,886   198,164
Prior          
Total 578,653   578,653   468,842
Revolving Loans Amortized Cost Basis          
Total 0   0   0
Total          
Total 4,160,691   4,160,691   3,807,208
Payment Activity, Aging Status [Member] | Real estate - residential mortgage | Nonperforming Financial Instruments [Member]          
2022          
Total 0   0   0
2021          
Total 1,122   1,122   6,753
2020          
Total 6,322   6,322   2,189
2019          
Total 5,056   5,056   3,424
2018          
Total 3,808   3,808   2,844
Prior          
Total 26,828   26,828   24,332
Revolving Loans Amortized Cost Basis          
Total 0   0   0
Total          
Total 43,136   43,136   39,542
Payment Activity, Aging Status [Member] | Equipment lease financing, other and overdrafts          
2022          
Total 126,093   126,093   97,077
Current period gross charge-offs     0   (975)
Current period recoveries     0   255
Total net (charge-offs) recoveries     0   (720)
2021          
Total 49,563   49,563   65,316
Current period gross charge-offs     0   (1,276)
Current period recoveries     1   539
Total net (charge-offs) recoveries     1   (737)
2020          
Total 50,710   50,710   49,591
Current period gross charge-offs     0   0
Current period recoveries     68   88
Total net (charge-offs) recoveries     68   88
2019          
Total 37,619   37,619   34,107
Current period gross charge-offs     0   0
Current period recoveries     13   10
Total net (charge-offs) recoveries     13   10
2018          
Total 24,936   24,936   37,947
Current period gross charge-offs     0   0
Current period recoveries     3   18
Total net (charge-offs) recoveries     3   18
Prior          
Total 35,280   35,280   1,507
Current period gross charge-offs     (943)   0
Current period recoveries     227   43
Total net (charge-offs) recoveries     (716)   43
Revolving Loans Amortized Cost Basis          
Total 0   0   0
Current period gross charge-offs     0   0
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   0
Total          
Total 324,201   324,201   285,545
Current period gross charge-offs     (943)   (2,251)
Current period recoveries     380   953
Total net (charge-offs) recoveries     563   1,298
Payment Activity, Aging Status [Member] | Equipment lease financing, other and overdrafts | Performing          
2022          
Total 126,093   126,093   97,077
2021          
Total 49,563   49,563   65,316
2020          
Total 50,710   50,710   49,591
2019          
Total 37,619   37,619   34,107
2018          
Total 24,936   24,936   22,444
Prior          
Total 21,218   21,218   1,369
Revolving Loans Amortized Cost Basis          
Total 0   0   0
Total          
Total 310,139   310,139   269,904
Payment Activity, Aging Status [Member] | Equipment lease financing, other and overdrafts | Nonperforming Financial Instruments [Member]          
2022          
Total 0   0   0
2021          
Total 0   0   0
2020          
Total 0   0   0
2019          
Total 0   0   0
2018          
Total 0   0   15,503
Prior          
Total 14,062   14,062   138
Revolving Loans Amortized Cost Basis          
Total 0   0   0
Total          
Total 14,062   14,062   15,641
Payment Activity, Aging Status [Member] | Construction - other          
2022          
Total 61,082   61,082   144,652
Current period gross charge-offs     0   0
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   0
2021          
Total 162,281   162,281   40,040
Current period gross charge-offs     0   0
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   0
2020          
Total 22,426   22,426   638
Current period gross charge-offs     0   0
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   0
2019          
Total 0   0   5,028
Current period gross charge-offs     0   0
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   0
2018          
Total 4,580   4,580   173
Current period gross charge-offs     0   0
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   0
Prior          
Total 0   0   0
Current period gross charge-offs     0   0
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   0
Revolving Loans Amortized Cost Basis          
Total 0   0   0
Current period gross charge-offs     0   0
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   0
Total          
Total 250,817   250,817   190,531
Current period gross charge-offs     0   0
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   0
Payment Activity, Aging Status [Member] | Construction - other | Performing          
2022          
Total 61,082   61,082   144,652
2021          
Total 162,281   162,281   40,040
2020          
Total 22,426   22,426   638
2019          
Total 0   0   5,028
2018          
Total 4,580   4,580   0
Prior          
Total 0   0   0
Revolving Loans Amortized Cost Basis          
Total 0   0   0
Total          
Total 250,817   250,817   190,358
Payment Activity, Aging Status [Member] | Construction - other | Nonperforming Financial Instruments [Member]          
2022          
Total 0   0   0
2021          
Total 0   0   0
2020          
Total 0   0   0
2019          
Total 0   0   0
2018          
Total 0   0   173
Prior          
Total 0   0   0
Revolving Loans Amortized Cost Basis          
Total 0   0   0
Total          
Total 0   0   173
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member]          
Revolving Loans Amortized Cost Basis          
Total 1,851   1,851   3,122
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Pass          
Revolving Loans Amortized Cost Basis          
Total 1,778   1,778   339
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Special Mention          
Revolving Loans Amortized Cost Basis          
Total 0   0   95
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Substandard or Lower          
Revolving Loans Amortized Cost Basis          
Total 73   73   2,688
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - construction(1)          
Revolving Loans Amortized Cost Basis          
Total 1,054   1,054   0
Current period gross charge-offs     0   0
Current period recoveries     44   0
Total net (charge-offs) recoveries     44   0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - construction(1) | Pass          
Revolving Loans Amortized Cost Basis          
Total 1,054   1,054   0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - construction(1) | Special Mention          
Revolving Loans Amortized Cost Basis          
Total 0   0   0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - construction(1) | Substandard or Lower          
Revolving Loans Amortized Cost Basis          
Total 0   0   0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Commercial and Industrial          
Revolving Loans Amortized Cost Basis          
Total 797   797   1,634
Current period gross charge-offs     (197)   0
Current period recoveries     1,101   0
Total net (charge-offs) recoveries     904   0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Commercial and Industrial | Pass          
Revolving Loans Amortized Cost Basis          
Total 724   724   339
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Commercial and Industrial | Special Mention          
Revolving Loans Amortized Cost Basis          
Total 0   0   95
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Commercial and Industrial | Substandard or Lower          
Revolving Loans Amortized Cost Basis          
Total 73   73   1,200
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage          
Revolving Loans Amortized Cost Basis          
Total 0   0   1,488
Current period gross charge-offs     (152)   0
Current period recoveries     3,644   0
Total net (charge-offs) recoveries     3,492   0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage | Pass          
Revolving Loans Amortized Cost Basis          
Total 0   0   0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage | Special Mention          
Revolving Loans Amortized Cost Basis          
Total 0   0   0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage | Substandard or Lower          
Revolving Loans Amortized Cost Basis          
Total 0   0   1,488
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member]          
Revolving Loans Amortized Cost Basis          
Total 150,383   150,383   4,197
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Performing          
Revolving Loans Amortized Cost Basis          
Total 144,671   144,671   3,999
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Nonperforming Financial Instruments [Member]          
Revolving Loans Amortized Cost Basis          
Total 5,712   5,712   198
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Consumer and Real Estate Home Equity          
Revolving Loans Amortized Cost Basis          
Total 149,935   149,935   4,197
Current period gross charge-offs     (716)   0
Current period recoveries     544   0
Total net (charge-offs) recoveries     (172)   0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Consumer and Real Estate Home Equity | Performing          
Revolving Loans Amortized Cost Basis          
Total 144,223   144,223   3,999
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Consumer and Real Estate Home Equity | Nonperforming Financial Instruments [Member]          
Revolving Loans Amortized Cost Basis          
Total 5,712   5,712   198
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Real estate - residential mortgage          
Revolving Loans Amortized Cost Basis          
Total 0   0   0
Current period gross charge-offs     (66)   0
Current period recoveries     22   0
Total net (charge-offs) recoveries     (44)   0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Real estate - residential mortgage | Performing          
Revolving Loans Amortized Cost Basis          
Total 0   0   0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Real estate - residential mortgage | Nonperforming Financial Instruments [Member]          
Revolving Loans Amortized Cost Basis          
Total 0   0   0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Equipment lease financing, other and overdrafts          
Revolving Loans Amortized Cost Basis          
Total 0   0   0
Current period gross charge-offs     0   0
Current period recoveries     68   0
Total net (charge-offs) recoveries     68   0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Equipment lease financing, other and overdrafts | Performing          
Revolving Loans Amortized Cost Basis          
Total 0   0   0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Equipment lease financing, other and overdrafts | Nonperforming Financial Instruments [Member]          
Revolving Loans Amortized Cost Basis          
Total 0   0   0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Construction - other          
Revolving Loans Amortized Cost Basis          
Total 448   448   0
Current period gross charge-offs     0   0
Current period recoveries     0   0
Total net (charge-offs) recoveries     0   0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Construction - other | Performing          
Revolving Loans Amortized Cost Basis          
Total 448   448   0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Construction - other | Nonperforming Financial Instruments [Member]          
Revolving Loans Amortized Cost Basis          
Total $ 0   $ 0   $ 0