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Loans (Aging of Recorded Investment in Gross Loans) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	$ 6,662,133	$ 6,738,795
PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	1,772,019
Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	280,454	276,879
Current	4,609,660	4,449,614
Total Loans	4,890,114	4,726,493
Loans 90+ Days Past Due and Still Accruing	3,974	2,418
30-59 Days Past Due [Member] | Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	80,035	97,199
60-89 Days Past Due [Member] | Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	50,933	48,394
90+ Days Past Due [Member] | Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	149,486	131,286
Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	2,402,010	2,218,351
Commercial Portfolio Segment [Member] | PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	283,160
Commercial Portfolio Segment [Member] | Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	30,600	30,106
Current	2,088,250	1,832,721
Total Loans	2,118,850	1,862,827
Loans 90+ Days Past Due and Still Accruing	0	0
Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	7,059	8,578
Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	984	1,317
Commercial Portfolio Segment [Member] | 90+ Days Past Due [Member] | Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	22,557	20,211
Mortgage Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	2,283,375	2,493,365
Mortgage Portfolio Segment [Member] | PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	1,459,932
Mortgage Portfolio Segment [Member] | Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	123,866	116,499
Current	699,577	783,096
Total Loans	823,443	899,595
Loans 90+ Days Past Due and Still Accruing	3,974	2,418
Mortgage Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	7,385	9,285
Mortgage Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	14,953	13,105
Mortgage Portfolio Segment [Member] | 90+ Days Past Due [Member] | Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	101,528	94,109
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	1,976,748	2,027,079
Consumer Portfolio Segment [Member] | PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	28,927
Consumer Portfolio Segment [Member] | Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	125,988	130,274
Current	1,821,833	1,833,797
Total Loans	1,947,821	1,964,071
Loans 90+ Days Past Due and Still Accruing	0	0
Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	65,591	79,336
Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	34,996	33,972
Consumer Portfolio Segment [Member] | 90+ Days Past Due [Member] | Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	25,401	16,966
Commercial Secured By Real Estate [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	1,050,513	1,129,446
Commercial Secured By Real Estate [Member] | Commercial Portfolio Segment [Member] | PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	243,229
Commercial Secured By Real Estate [Member] | Commercial Portfolio Segment [Member] | Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	21,393	19,435
Current	785,891	847,271
Total Loans	807,284	866,706
Loans 90+ Days Past Due and Still Accruing	0	0
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	2,781	994
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	750	946
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	17,862	17,495
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	6,603
Current	930,059
Total Loans	936,662
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	1,674
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	234
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	4,695
Other Commercial And Industrial [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	687,375	816,310
Other Commercial And Industrial [Member] | Commercial Portfolio Segment [Member] | PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	39,931
Other Commercial And Industrial [Member] | Commercial Portfolio Segment [Member] | Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		10,671
Current		712,855
Total Loans	647,444	723,526
Loans 90+ Days Past Due and Still Accruing		0
Other Commercial And Industrial [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		7,584
Other Commercial And Industrial [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		371
Other Commercial And Industrial [Member] | Commercial Portfolio Segment [Member] | 90+ Days Past Due [Member] | Non-PCD [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 Loans	374,904	272,595
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	2,604	0
Current	372,300	272,595
Total Loans	374,904	272,595
Loans 90+ Days Past Due and Still Accruing	0	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	2,604	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	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	0
Personal Loan [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	314,300	375,505
Personal Loan [Member] | Consumer Portfolio Segment [Member] | PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	1,043
Personal Loan [Member] | Consumer Portfolio Segment [Member] | Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	9,361	8,680
Current	303,896	358,477
Total Loans	313,257	367,157
Loans 90+ Days Past Due and Still Accruing	0	0
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	4,784	4,978
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	2,515	2,123
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	2,062	1,579
Credit Lines [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	44,156	53,113
Credit Lines [Member] | Consumer Portfolio Segment [Member] | PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	351
Credit Lines [Member] | Consumer Portfolio Segment [Member] | Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	3,881	774
Current	39,924	51,840
Total Loans	43,805	52,614
Loans 90+ Days Past Due and Still Accruing	0	0
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	2,136	533
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	476	20
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	1,269	221
Credit Cards [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	56,185	75,272
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	3,766	2,751
Current	52,419	72,451
Total Loans	56,185	75,202
Loans 90+ Days Past Due and Still Accruing	0	0
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	1,357	1,438
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	824	417
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	1,585	896
Overdrafts [Member] | Consumer Portfolio Segment [Member] | Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	138	51
Current	167	165
Total Loans	305	216
Loans 90+ Days Past Due and Still Accruing	0	0
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	138	51
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	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	0
Auto Loan [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	1,561,802	1,522,973
Auto Loan [Member] | Consumer Portfolio Segment [Member] | PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	27,533
Auto Loan [Member] | Consumer Portfolio Segment [Member] | Non-PCD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	108,842	118,018
Current	1,425,427	1,350,864
Total Loans	1,534,269	1,468,882
Loans 90+ Days Past Due and Still Accruing	0	0
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	57,176	72,336
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	31,181	31,412
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	$ 20,485	14,270
Originated Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans		3,907,350
Originated Loan [Member] | Auto Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans		1,277,867
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

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