Allowance for Credit Losses and Credit Quality of Loans, Past Due Loans (Details) $ in Thousands	Jun. 30, 2022 USD ($) Relationship	Dec. 31, 2021 USD ($) Relationship
Allowance for Credit Losses and Credit Quality of Loans [Abstract]
Individually evaluated loans, number of relationships | Relationship	5	5
Individually evaluated loans, amortized cost	$ 9,300	$ 10,200
Individually evaluated loans, allowance for credit losses	800	0
Past Due and Nonperforming Loans [Abstract]
Nonaccrual	23,673	30,285
Recorded total loans	7,777,681	7,498,459
Loans in non-accrual without an allowance for credit losses	0	0
Past Due [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	31,084	21,395
31-60 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	25,511	15,022
61-90 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	3,477	3,915
Greater Than 90 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	2,096	2,458
Current [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	7,722,924	7,446,779
C&I [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	1,252,885	1,130,670
CRE [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	2,585,261	2,564,987
PPP [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	17,286	101,222
Auto [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	906,763	826,508
Other Consumer [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	950,505	839,390
Commercial Loans [Member]
Past Due and Nonperforming Loans [Abstract]
Nonaccrual	14,569	16,344
Recorded total loans	3,855,432	3,796,879
Commercial Loans [Member] | Past Due [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	12,984	1,973
Commercial Loans [Member] | 31-60 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	12,934	1,841
Commercial Loans [Member] | 61-90 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	10	132
Commercial Loans [Member] | Greater Than 90 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	40	0
Commercial Loans [Member] | Current [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	3,827,879	3,778,562
Commercial Loans [Member] | C&I [Member]
Past Due and Nonperforming Loans [Abstract]
Nonaccrual	3,177	3,618
Recorded total loans	1,252,885	1,130,670
Commercial Loans [Member] | C&I [Member] | Past Due [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	746	622
Commercial Loans [Member] | C&I [Member] | 31-60 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	704	622
Commercial Loans [Member] | C&I [Member] | 61-90 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	5	0
Commercial Loans [Member] | C&I [Member] | Greater Than 90 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	37	0
Commercial Loans [Member] | C&I [Member] | Current [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	1,248,962	1,126,430
Commercial Loans [Member] | CRE [Member]
Past Due and Nonperforming Loans [Abstract]
Nonaccrual	11,392	12,726
Recorded total loans	2,585,261	2,564,987
Commercial Loans [Member] | CRE [Member] | Past Due [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	12,235	1,351
Commercial Loans [Member] | CRE [Member] | 31-60 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	12,230	1,219
Commercial Loans [Member] | CRE [Member] | 61-90 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	5	132
Commercial Loans [Member] | CRE [Member] | Greater Than 90 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	0	0
Commercial Loans [Member] | CRE [Member] | Current [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	2,561,634	2,550,910
Commercial Loans [Member] | PPP [Member]
Past Due and Nonperforming Loans [Abstract]
Nonaccrual	0	0
Recorded total loans	17,286	101,222
Commercial Loans [Member] | PPP [Member] | Past Due [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	3	0
Commercial Loans [Member] | PPP [Member] | 31-60 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	0	0
Commercial Loans [Member] | PPP [Member] | 61-90 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	0	0
Commercial Loans [Member] | PPP [Member] | Greater Than 90 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	3	0
Commercial Loans [Member] | PPP [Member] | Current [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	17,283	101,222
Consumer Loans [Member]
Past Due and Nonperforming Loans [Abstract]
Nonaccrual	1,421	1,528
Recorded total loans	1,857,268	1,665,898
Consumer Loans [Member] | Past Due [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	14,694	15,713
Consumer Loans [Member] | 31-60 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	10,543	10,700
Consumer Loans [Member] | 61-90 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	2,695	3,363
Consumer Loans [Member] | Greater Than 90 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	1,456	1,650
Consumer Loans [Member] | Current [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	1,841,153	1,648,657
Consumer Loans [Member] | Auto [Member]
Past Due and Nonperforming Loans [Abstract]
Nonaccrual	1,089	1,295
Recorded total loans	906,763	826,508
Consumer Loans [Member] | Auto [Member] | Past Due [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	9,142	9,003
Consumer Loans [Member] | Auto [Member] | 31-60 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	7,288	6,911
Consumer Loans [Member] | Auto [Member] | 61-90 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	1,317	1,547
Consumer Loans [Member] | Auto [Member] | Greater Than 90 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	537	545
Consumer Loans [Member] | Auto [Member] | Current [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	896,532	816,210
Consumer Loans [Member] | Other Consumer [Member]
Past Due and Nonperforming Loans [Abstract]
Nonaccrual	332	233
Recorded total loans	950,505	839,390
Consumer Loans [Member] | Other Consumer [Member] | Past Due [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	5,552	6,710
Consumer Loans [Member] | Other Consumer [Member] | 31-60 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	3,255	3,789
Consumer Loans [Member] | Other Consumer [Member] | 61-90 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	1,378	1,816
Consumer Loans [Member] | Other Consumer [Member] | Greater Than 90 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	919	1,105
Consumer Loans [Member] | Other Consumer [Member] | Current [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	944,621	832,447
Residential [Member]
Past Due and Nonperforming Loans [Abstract]
Nonaccrual	7,683	12,413
Recorded total loans	2,064,981	2,035,682
Residential [Member] | Past Due [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	3,406	3,709
Residential [Member] | 31-60 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	2,034	2,481
Residential [Member] | 61-90 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	772	420
Residential [Member] | Greater Than 90 Days Past Due Accruing [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	600	808
Residential [Member] | Current [Member]
Past Due and Nonperforming Loans [Abstract]
Recorded total loans	$ 2,053,892	$ 2,019,560