Deposits - Interest Expense on Deposits by Type (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Interest expense on deposits by type [Abstract]
Interest-bearing demand	$ 4,906	$ 9,985	$ 35,428
Savings	7,912	13,481	19,462
Time	4,127	14,021	24,281
Total	$ 16,945	$ 37,487	$ 79,171