Loans and Allowance for Credit Losses - Information related to nonaccrual loans by class (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with No Allowance for Credit Loss	$ 22,263		$ 30,354
Nonaccrual with an Allowance for Credit Loss	27,216		30,589
Total Nonaccrual Loans	49,479		60,943
Interest on nonaccrual loans	1,500		3,700
Nonaccrual loans, recorded interest income	44	$ 44
Performing Financial Instruments
Loans and Leases Receivable Disclosure [Line Items]
Troubled debt restructuring	10,200		10,500
Commercial
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with No Allowance for Credit Loss	7,454		3,263
Nonaccrual with an Allowance for Credit Loss	7,420		12,089
Total Nonaccrual Loans	14,874		15,352
Income producing - commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with No Allowance for Credit Loss	5,271		6,500
Nonaccrual with an Allowance for Credit Loss	16,115		12,380
Total Nonaccrual Loans	21,386		18,880
Owner occupied - commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with No Allowance for Credit Loss	5,272		18,941
Nonaccrual with an Allowance for Credit Loss	1,786		4,217
Total Nonaccrual Loans	7,058		23,158
Real estate mortgage - residential
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with No Allowance for Credit Loss	240		1,234
Nonaccrual with an Allowance for Credit Loss	1,698		1,697
Total Nonaccrual Loans	1,938		2,931
Construction - commercial and residential
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with No Allowance for Credit Loss	3,659		0
Nonaccrual with an Allowance for Credit Loss	0		206
Total Nonaccrual Loans	3,659		206
Home equity
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with No Allowance for Credit Loss	367		416
Nonaccrual with an Allowance for Credit Loss	197		0
Total Nonaccrual Loans	$ 564		$ 416