Noninterest Income - Credit/Debit Card and ATM Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Total credit/debit card and ATM income
Revenue from External Customer [Line Items]
Noninterest income	$ 29,479	$ 35,014	$ 50,383
Bailment fees
Revenue from External Customer [Line Items]
Noninterest income	12,940	14,615	26,256
Interchange fees
Revenue from External Customer [Line Items]
Noninterest income	13,520	17,747	22,975
Other card and ATM fees
Revenue from External Customer [Line Items]
Noninterest income	$ 3,019	$ 2,652	$ 1,152