Commitments and Contingencies - Narrative (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) loan	Dec. 31, 2020 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Limit on stop-loss insurance	1 year
Stop-loss insurance limit per covered individual per year	$ 175,000
Loans repurchased in 2 year interval | loan	4
Total unfunded commitments	$ 445,900,000	$ 527,700,000
ACL for unfunded commitments	1,100,000	$ 187,000
Capital commitments
Long-term Purchase Commitment [Line Items]
Purchase commitments	$ 0