Fair Value Measurements - (Income) Losses from Nonrecurring Fair Value Adjustments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total (income) loss from nonrecurring measurements	$ (13)	$ (4)	$ 3
Loans individually measured for credit losses
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total (income) loss from nonrecurring measurements	$ (13)	$ (4)	$ 3