Related Party Transactions - Summary of Income and Expenses (Details) - Subsidiary of Common Parent - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Expenses
Expenses from transactions with related parties	$ 66	$ 62	$ 535
Revenue (expenses) from related parties	(66)	(62)	420
Data processing and other services
Income
Revenue from related parties	0	0	955
Interest expense
Expenses
Expenses from transactions with related parties	13	36	34
Fees and other expenses
Expenses
Expenses from transactions with related parties	$ 53	$ 26	$ 501