Loans - Non-accrual (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-accrual loans	$ 19,740	$ 16,981
Interest Income Recognized on Non-accrual Loans	0	0
Amortized Cost Basis of Loans > 89 days Past due but still accruing	0	1
Amortized Cost Basis of Non-accrual Loans without Related Allowance	7,862	9,405
Non-owner occupied commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-accrual loans	5,482	3,009
Interest Income Recognized on Non-accrual Loans	0	0
Amortized Cost Basis of Loans > 89 days Past due but still accruing	0	0
Amortized Cost Basis of Non-accrual Loans without Related Allowance	2,624	2,624
Owner occupied commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-accrual loans	2,626	2,810
Interest Income Recognized on Non-accrual Loans	0	0
Amortized Cost Basis of Loans > 89 days Past due but still accruing	0	0
Amortized Cost Basis of Non-accrual Loans without Related Allowance	2,392	2,398
Non-owner occupied residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-accrual loans	2,430	2,852
Interest Income Recognized on Non-accrual Loans	0	0
Amortized Cost Basis of Loans > 89 days Past due but still accruing	0	0
Amortized Cost Basis of Non-accrual Loans without Related Allowance	2,145	2,567
Commercial, industrial and other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-accrual loans	6,098	6,763
Interest Income Recognized on Non-accrual Loans	0	0
Amortized Cost Basis of Loans > 89 days Past due but still accruing	0	0
Amortized Cost Basis of Non-accrual Loans without Related Allowance	701	1,122
Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-accrual loans	220
Interest Income Recognized on Non-accrual Loans	0
Amortized Cost Basis of Loans > 89 days Past due but still accruing	0
Amortized Cost Basis of Non-accrual Loans without Related Allowance	0
Equipment finance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-accrual loans	51	43
Interest Income Recognized on Non-accrual Loans	0	0
Amortized Cost Basis of Loans > 89 days Past due but still accruing	0	0
Amortized Cost Basis of Non-accrual Loans without Related Allowance	0	0
Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-accrual loans	1,935	817
Interest Income Recognized on Non-accrual Loans	0	0
Amortized Cost Basis of Loans > 89 days Past due but still accruing	0	0
Amortized Cost Basis of Non-accrual Loans without Related Allowance	0	694
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-accrual loans	898	687
Interest Income Recognized on Non-accrual Loans	0	0
Amortized Cost Basis of Loans > 89 days Past due but still accruing	0	1
Amortized Cost Basis of Non-accrual Loans without Related Allowance	$ 0	$ 0