Loans, Analysis of Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended			12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2021
Allowance for Credit Losses [Abstract]
Period of reasonable and supportable forecast	12 months
Provision for credit losses (recovery)	$ 875	$ 500	$ (2,499)	$ (6,386)
Allowance for credit losses to nonperforming loans	309.10%	251.20%	215.50%	251.20%
Credit loss reserve as percentage of total loans outstanding	1.20%	1.22%	1.28%	1.22%
Credit loss reserve as percentage of total loans outstanding excluding PPP loans	1.21%	1.24%	1.38%	1.24%