Loans - Narrative, Past Due and Non-Accrual Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Investment in non accrual loans	$ 7,600	$ 8,500
Delinquent status classification term	90 days	90 days
Principal balance of loans on non accrual status	$ 500
Impairment of loans	4,200	$ 5,500
Loans on non accrual status with principal balances below threshold definition of an impaired loan	3,400	3,000
Loans past 90 days and still accruing	384	1,100
Loans receivable held-for-sale, amount	0	19,895
Impaired loans not written down by charge-offs		$ 7,800
Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal balance of loans on non accrual status	$ 500