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Loans (Aging of Recorded Investment in Gross Loans) (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   $ 276,879
Current   4,449,614
Total Loans $ 6,759,927 4,726,493
Loans 90+ Days Past Due and Still Accruing   2,418
PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Loans 1,891,641  
Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 276,177  
Current 4,592,109  
Total Loans 4,868,286  
Loans 90+ Days Past Due and Still Accruing 3,666  
30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   97,199
30-59 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 70,663  
60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   48,394
60-89 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 51,214  
90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   131,286
90+ Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 154,300  
Commercial Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   30,106
Current   1,832,721
Total Loans 2,426,795 1,862,827
Loans 90+ Days Past Due and Still Accruing   0
Commercial Portfolio Segment [Member] | PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Loans 352,555  
Commercial Portfolio Segment [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 35,595  
Current 2,038,645  
Total Loans 2,074,240  
Loans 90+ Days Past Due and Still Accruing 0  
Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   8,578
Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 3,970  
Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   1,317
Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 1,181  
Commercial Portfolio Segment [Member] | 90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   20,211
Commercial Portfolio Segment [Member] | 90+ Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 30,444  
Mortgage Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   116,499
Current   783,096
Total Loans 2,352,585 899,595
Loans 90+ Days Past Due and Still Accruing   2,418
Mortgage Portfolio Segment [Member] | PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Loans 1,504,914  
Mortgage Portfolio Segment [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 113,768  
Current 733,903  
Total Loans 847,671  
Loans 90+ Days Past Due and Still Accruing 3,666  
Mortgage Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 5,793  
Mortgage Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 10,989  
Mortgage Portfolio Segment [Member] | 90+ Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 96,986  
Consumer Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   130,274
Current   1,833,797
Total Loans 1,980,547 1,964,071
Loans 90+ Days Past Due and Still Accruing   0
Consumer Portfolio Segment [Member] | PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Loans 34,172  
Consumer Portfolio Segment [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 126,814  
Current 1,819,561  
Total Loans 1,946,375  
Loans 90+ Days Past Due and Still Accruing 0  
Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   79,336
Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 60,900  
Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   33,972
Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 39,044  
Consumer Portfolio Segment [Member] | 90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   16,966
Consumer Portfolio Segment [Member] | 90+ Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 26,870  
Commercial Secured By Real Estate [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   19,435
Current   847,271
Total Loans 1,059,408 866,706
Loans 90+ Days Past Due and Still Accruing   0
Commercial Secured By Real Estate [Member] | Commercial Portfolio Segment [Member] | PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Loans 248,653  
Commercial Secured By Real Estate [Member] | Commercial Portfolio Segment [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 27,720  
Current 783,035  
Total Loans 810,755  
Loans 90+ Days Past Due and Still Accruing 0  
Commercial Secured By Real Estate [Member] | Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   994
Commercial Secured By Real Estate [Member] | Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 2,987  
Commercial Secured By Real Estate [Member] | Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   946
Commercial Secured By Real Estate [Member] | Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 749  
Commercial Secured By Real Estate [Member] | Commercial Portfolio Segment [Member] | 90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   17,495
Commercial Secured By Real Estate [Member] | Commercial Portfolio Segment [Member] | 90+ Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 23,984  
Other Commercial And Industrial (Including PPP Loans) [Member] | Commercial Portfolio Segment [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 7,875  
Current 917,953  
Total Loans 925,828  
Loans 90+ Days Past Due and Still Accruing 0  
Other Commercial And Industrial (Including PPP Loans) [Member] | Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 983  
Other Commercial And Industrial (Including PPP Loans) [Member] | Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 432  
Other Commercial And Industrial (Including PPP Loans) [Member] | Commercial Portfolio Segment [Member] | 90+ Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 6,460  
Other Commercial And Industrial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   10,671
Current   712,855
Total Loans 740,512 723,526
Loans 90+ Days Past Due and Still Accruing   0
Other Commercial And Industrial [Member] | Commercial Portfolio Segment [Member] | PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Loans 103,902  
Other Commercial And Industrial [Member] | Commercial Portfolio Segment [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Loans 636,610  
Other Commercial And Industrial [Member] | Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   7,584
Other Commercial And Industrial [Member] | Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   371
Other Commercial And Industrial [Member] | Commercial Portfolio Segment [Member] | 90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   2,716
US Loan Program [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   0
Current   272,595
Total Loans 337,657 272,595
Loans 90+ Days Past Due and Still Accruing   0
US Loan Program [Member] | Commercial Portfolio Segment [Member] | PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Loans 0  
US Loan Program [Member] | Commercial Portfolio Segment [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 0  
Current 337,657  
Total Loans 337,657  
Loans 90+ Days Past Due and Still Accruing 0  
US Loan Program [Member] | Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   0
US Loan Program [Member] | Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 0  
US Loan Program [Member] | Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   0
US Loan Program [Member] | Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 0  
US Loan Program [Member] | Commercial Portfolio Segment [Member] | 90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   0
US Loan Program [Member] | Commercial Portfolio Segment [Member] | 90+ Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 0  
Personal Loan [Member] | Consumer Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   8,680
Current   358,477
Total Loans 329,857 367,157
Loans 90+ Days Past Due and Still Accruing   0
Personal Loan [Member] | Consumer Portfolio Segment [Member] | PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Loans 1,934  
Personal Loan [Member] | Consumer Portfolio Segment [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 11,430  
Current 316,493  
Total Loans 327,923  
Loans 90+ Days Past Due and Still Accruing 0  
Personal Loan [Member] | Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   4,978
Personal Loan [Member] | Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 4,984  
Personal Loan [Member] | Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   2,123
Personal Loan [Member] | Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 4,209  
Personal Loan [Member] | Consumer Portfolio Segment [Member] | 90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   1,579
Personal Loan [Member] | Consumer Portfolio Segment [Member] | 90+ Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 2,237  
Credit Lines [Member] | Consumer Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   774
Current   51,840
Total Loans 47,275 52,614
Loans 90+ Days Past Due and Still Accruing   0
Credit Lines [Member] | Consumer Portfolio Segment [Member] | PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Loans 402  
Credit Lines [Member] | Consumer Portfolio Segment [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 2,444  
Current 44,429  
Total Loans 46,873  
Loans 90+ Days Past Due and Still Accruing 0  
Credit Lines [Member] | Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   533
Credit Lines [Member] | Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 999  
Credit Lines [Member] | Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   20
Credit Lines [Member] | Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 196  
Credit Lines [Member] | Consumer Portfolio Segment [Member] | 90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   221
Credit Lines [Member] | Consumer Portfolio Segment [Member] | 90+ Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 1,249  
Credit Cards [Member] | Consumer Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   2,751
Current   72,451
Total Loans 59,618 75,202
Loans 90+ Days Past Due and Still Accruing   0
Credit Cards [Member] | Consumer Portfolio Segment [Member] | PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Loans 0  
Credit Cards [Member] | Consumer Portfolio Segment [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 3,174  
Current 56,444  
Total Loans 59,618  
Loans 90+ Days Past Due and Still Accruing 0  
Credit Cards [Member] | Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   1,438
Credit Cards [Member] | Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 1,104  
Credit Cards [Member] | Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   417
Credit Cards [Member] | Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 509  
Credit Cards [Member] | Consumer Portfolio Segment [Member] | 90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   896
Credit Cards [Member] | Consumer Portfolio Segment [Member] | 90+ Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 1,561  
Overdrafts [Member] | Consumer Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   51
Current   165
Total Loans   216
Loans 90+ Days Past Due and Still Accruing   0
Overdrafts [Member] | Consumer Portfolio Segment [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 31  
Current 101  
Total Loans 132  
Loans 90+ Days Past Due and Still Accruing 0  
Overdrafts [Member] | Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   51
Overdrafts [Member] | Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 31  
Overdrafts [Member] | Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   0
Overdrafts [Member] | Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 0  
Overdrafts [Member] | Consumer Portfolio Segment [Member] | 90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   0
Overdrafts [Member] | Consumer Portfolio Segment [Member] | 90+ Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 0  
Auto Loan [Member] | Consumer Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   118,018
Current   1,350,864
Total Loans 1,543,665 1,468,882
Loans 90+ Days Past Due and Still Accruing   0
Auto Loan [Member] | Consumer Portfolio Segment [Member] | PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Loans 31,836  
Auto Loan [Member] | Consumer Portfolio Segment [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 109,735  
Current 1,402,094  
Total Loans 1,511,829  
Loans 90+ Days Past Due and Still Accruing 0  
Auto Loan [Member] | Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   72,336
Auto Loan [Member] | Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 53,782  
Auto Loan [Member] | Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   31,412
Auto Loan [Member] | Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due 34,130  
Auto Loan [Member] | Consumer Portfolio Segment [Member] | 90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   14,270
Auto Loan [Member] | Consumer Portfolio Segment [Member] | 90+ Days Past Due [Member] | Non-PCD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due $ 21,823  
Originated Loan [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Loans   3,907,350
Originated Loan [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   30,106
Current   1,832,721
Total Loans   1,862,827
Loans 90+ Days Past Due and Still Accruing   0
Originated Loan [Member] | Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   8,578
Originated Loan [Member] | Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   1,317
Originated Loan [Member] | Commercial Portfolio Segment [Member] | 90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   20,211
Originated Loan [Member] | Mortgage Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   116,499
Current   783,096
Total Loans   899,595
Loans 90+ Days Past Due and Still Accruing   2,418
Originated Loan [Member] | Mortgage Portfolio Segment [Member] | 30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   9,285
Originated Loan [Member] | Mortgage Portfolio Segment [Member] | 60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   13,105
Originated Loan [Member] | Mortgage Portfolio Segment [Member] | 90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   94,109
Originated Loan [Member] | Consumer Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   130,274
Current   1,833,797
Total Loans   1,964,071
Loans 90+ Days Past Due and Still Accruing   0
Originated Loan [Member] | Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   79,336
Originated Loan [Member] | Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   33,972
Originated Loan [Member] | Consumer Portfolio Segment [Member] | 90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   16,966
Originated Loan [Member] | Commercial Secured By Real Estate [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   19,435
Current   847,271
Total Loans   866,706
Loans 90+ Days Past Due and Still Accruing   0
Originated Loan [Member] | Commercial Secured By Real Estate [Member] | Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   994
Originated Loan [Member] | Commercial Secured By Real Estate [Member] | Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   946
Originated Loan [Member] | Commercial Secured By Real Estate [Member] | Commercial Portfolio Segment [Member] | 90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   17,495
Originated Loan [Member] | Other Commercial And Industrial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   10,671
Current   712,855
Total Loans   723,526
Loans 90+ Days Past Due and Still Accruing   0
Originated Loan [Member] | Other Commercial And Industrial [Member] | Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   7,584
Originated Loan [Member] | Other Commercial And Industrial [Member] | Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   371
Originated Loan [Member] | Other Commercial And Industrial [Member] | Commercial Portfolio Segment [Member] | 90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   2,716
Originated Loan [Member] | US Loan Program [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   0
Current   272,595
Total Loans   272,595
Loans 90+ Days Past Due and Still Accruing   0
Originated Loan [Member] | US Loan Program [Member] | Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   0
Originated Loan [Member] | US Loan Program [Member] | Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   0
Originated Loan [Member] | US Loan Program [Member] | Commercial Portfolio Segment [Member] | 90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   0
Originated Loan [Member] | Personal Loan [Member] | Consumer Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   8,680
Current   358,477
Total Loans   367,157
Loans 90+ Days Past Due and Still Accruing   0
Originated Loan [Member] | Personal Loan [Member] | Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   4,978
Originated Loan [Member] | Personal Loan [Member] | Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   2,123
Originated Loan [Member] | Personal Loan [Member] | Consumer Portfolio Segment [Member] | 90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   1,579
Originated Loan [Member] | Credit Lines [Member] | Consumer Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   774
Current   51,840
Total Loans   52,614
Loans 90+ Days Past Due and Still Accruing   0
Originated Loan [Member] | Credit Lines [Member] | Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   533
Originated Loan [Member] | Credit Lines [Member] | Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   20
Originated Loan [Member] | Credit Lines [Member] | Consumer Portfolio Segment [Member] | 90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   221
Originated Loan [Member] | Credit Cards [Member] | Consumer Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   2,751
Current   72,451
Total Loans   75,202
Loans 90+ Days Past Due and Still Accruing   0
Originated Loan [Member] | Credit Cards [Member] | Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   1,438
Originated Loan [Member] | Credit Cards [Member] | Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   417
Originated Loan [Member] | Credit Cards [Member] | Consumer Portfolio Segment [Member] | 90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   896
Originated Loan [Member] | Overdrafts [Member] | Consumer Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   51
Current   165
Total Loans   216
Loans 90+ Days Past Due and Still Accruing   0
Originated Loan [Member] | Overdrafts [Member] | Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   51
Originated Loan [Member] | Overdrafts [Member] | Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   0
Originated Loan [Member] | Overdrafts [Member] | Consumer Portfolio Segment [Member] | 90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   0
Originated Loan [Member] | Auto Loan [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Loans   1,277,867
Originated Loan [Member] | Auto Loan [Member] | Consumer Portfolio Segment [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   118,018
Current   1,350,864
Total Loans   1,468,882
Loans 90+ Days Past Due and Still Accruing   0
Originated Loan [Member] | Auto Loan [Member] | Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   72,336
Originated Loan [Member] | Auto Loan [Member] | Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   31,412
Originated Loan [Member] | Auto Loan [Member] | Consumer Portfolio Segment [Member] | 90+ Days Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Past Due   14,270
Originated Loan [Member] | Mortgage Loan [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Loans   577,416
Originated Loan [Member] | Commercial Loan [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Loans   1,669,635
Originated Loan [Member] | Consumer Loan [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total Loans   $ 382,432