Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 23,285	$ 20,250	$ 19,943	$ 20,436
Provision for loan losses	4,425	1,500	10,080	3,200
Loans charged off	(1,998)	(3,202)	(6,442)	(7,217)
Recoveries	1,248	1,251	3,379	3,380
Ending Balance	26,960	19,799	26,960	19,799
Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	10,149	9,481	8,945	9,848
Provision for loan losses	1,992	163	3,325	5
Loans charged off	(160)	(864)	(834)	(1,523)
Recoveries	147	226	692	676
Ending Balance	12,128	9,006	12,128	9,006
Residential Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	1,876	1,323	1,302	1,313
Provision for loan losses	17	(10)	795	145
Loans charged off	(296)	(256)	(719)	(675)
Recoveries	185	266	404	540
Ending Balance	1,782	1,323	1,782	1,323
Consumer Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	10,054	7,744	8,304	7,481
Provision for loan losses	1,695	1,691	5,425	3,486
Loans charged off	(1,542)	(2,082)	(4,889)	(5,019)
Recoveries	916	759	2,283	2,164
Ending Balance	11,123	8,112	11,123	8,112
Unallocated
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	1,206	1,702	1,392	1,794
Provision for loan losses	721	(344)	535	(436)
Loans charged off	0	0	0	0
Recoveries	0	0	0	0
Ending Balance	$ 1,927	$ 1,358	$ 1,927	$ 1,358