Revenue Recognition - Schedule of Disaggregation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of ASC 606)	$ 20,667	$ 20,142	$ 57,865	$ 57,063
Noninterest Income (out-of-scope of ASC 606)	(62,291)	550	(66,474)	2,558
Total Noninterest Income	(41,624)	20,692	(8,609)	59,621
Commissions and Fees
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of ASC 606)	10,301	9,827	26,796	25,663
Installment Billing
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of ASC 606)	138	126	97	124
Refund of Commissions
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of ASC 606)	(60)	(133)	113	(151)
Contract Liabilities/Deferred Revenue
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of ASC 606)	0	1	(298)	(266)
Contingent Commissions
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of ASC 606)	1,018	1,004	2,870	3,201
Subtotal Insurance Revenues
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of ASC 606)	11,397	10,825	29,578	28,571
Trust and Asset Management
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of ASC 606)	3,423	3,209	10,494	9,834
Mutual Fund & Investment Income
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of ASC 606)	919	1,128	3,035	4,016
Subtotal Investment Service Income
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of ASC 606)	4,342	4,337	13,529	13,850
Service Charges on Deposit Accounts
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of ASC 606)	1,754	1,917	5,140	5,452
Card Services Income
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of ASC 606)	2,860	2,731	8,629	8,233
Other
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of ASC 606)	$ 314	$ 332	$ 989	$ 957