Revenue Recognition - Schedule of Disaggregation (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 19,431	$ 17,356	$ 54,915	$ 49,027
Noninterest Income (out-of-scope of ASC 606)	1,423	1,531	4,780	5,997
Total Noninterest Income	20,854	18,887	59,695	55,024
Commissions and Fees
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	8,930	8,136	24,101	22,545
Installment Billing
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	166	175	149	96
Refund of Commissions
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	(103)	(104)	(92)	(458)
Contract Liabilities/Deferred Revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax			(237)	(208)
Contingent Commissions
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	840	709	3,132	2,241
Subtotal Insurance Revenues
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	9,833	8,916	27,053	24,216
Trust and Asset Management
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	3,522	3,070	10,222	8,798
Mutual Fund & Investment Income
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	1,435	1,222	4,125	3,616
Subtotal Investment Service Income
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	4,957	4,292	14,347	12,414
Service Charges on Deposit Accounts
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	1,638	1,444	4,579	4,675
Card Services Income
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	2,717	2,419	8,051	6,885
Other
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 286	$ 285	$ 885	$ 837

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The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.

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