Loans and Allowance for Credit Losses - Analysis Of Loan Transactions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Loans and Leases Receivable, Related Parties [Roll Forward]
Balance, beginning of the year	$ 217	$ 309	$ 0
Loans made	0	0	309
Repayments	26	92	0
Balance, end of year	$ 191	$ 217	$ 309