Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Other operating income (out-of-scope of Topic 606)	$ 45,774	$ 57,861	$ 31,149
Total Other Operating Income	52,263	63,328	37,346
Other operating income (in-scope of Topic 606)
Disaggregation of Revenue [Line Items]
Other operating income (in-scope of Topic 606)	6,489	5,467	6,197
Bankcard fees
Disaggregation of Revenue [Line Items]
Other operating income (in-scope of Topic 606)	3,389	2,837	2,976
Service charges on deposit accounts
Disaggregation of Revenue [Line Items]
Other operating income (in-scope of Topic 606)	1,297	1,102	1,557
Merchant fees
Disaggregation of Revenue [Line Items]
Other operating income (in-scope of Topic 606)	560	416	467
Commission income on the sale of mutual funds and annuity products
Disaggregation of Revenue [Line Items]
Other operating income (in-scope of Topic 606)	417	369	385
Other
Disaggregation of Revenue [Line Items]
Other operating income (in-scope of Topic 606)	$ 826	$ 743	$ 812