Loans (Troubled Debt Restructurings Type of Modification (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modifications TDR	$ 0	$ 2,163	$ 0	$ 7,778
Below market interest rate concession
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modifications TDR	0	0	0	0
Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modifications TDR	0	2,163	0	7,365
Maturity / amortization concession
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modifications TDR	0	0	0	0
Interest only payments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modifications TDR	0	0	0	0
Combination of concessions
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modifications TDR	$ 0	$ 0	$ 0	$ 413