Revenue from Contracts with Customers (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]
TOTAL NONINTEREST INCOME	$ 9,015	$ 9,217	$ 28,706	$ 25,662
Service Charges on Deposit Accounts
Disaggregation Of Revenue [Line Items]
Noninterest income	924	904	2,522	2,752
Debit Card and EFT Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	1,128	1,048	3,438	2,866
Trust Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	2,335	1,973	6,929	5,682
Insurance Agency Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	799	784	2,748	2,348
Retirement Plan Consulting Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	334	341	1,043	1,129
Investment Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	638	353	1,665	1,080
Operating Segments
Disaggregation Of Revenue [Line Items]
TOTAL NONINTEREST INCOME	9,015	9,217	28,706	25,662
Operating Segments | Service Charges on Deposit Accounts
Disaggregation Of Revenue [Line Items]
Noninterest income	924	904	2,522	2,752
Operating Segments | Debit Card and EFT Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	1,128	1,048	3,438	2,866
Operating Segments | Trust Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	2,335	1,973	6,929	5,682
Operating Segments | Insurance Agency Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	799	784	2,748	2,348
Operating Segments | Retirement Plan Consulting Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	334	341	1,043	1,129
Operating Segments | Investment Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	638	353	1,665	1,080
Operating Segments | Other
Disaggregation Of Revenue [Line Items]
Other (outside the scope of ASC 606)	2,857	3,814	10,361	9,805
Operating Segments | Trust Segment
Disaggregation Of Revenue [Line Items]
TOTAL NONINTEREST INCOME	2,669	2,314	7,972	6,811
Operating Segments | Trust Segment | Service Charges on Deposit Accounts
Disaggregation Of Revenue [Line Items]
Noninterest income	0	0	0	0
Operating Segments | Trust Segment | Debit Card and EFT Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	0	0	0	0
Operating Segments | Trust Segment | Trust Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	2,335	1,973	6,929	5,682
Operating Segments | Trust Segment | Insurance Agency Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	0	0	0	0
Operating Segments | Trust Segment | Retirement Plan Consulting Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	334	341	1,043	1,129
Operating Segments | Trust Segment | Investment Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	0	0	0	0
Operating Segments | Trust Segment | Other
Disaggregation Of Revenue [Line Items]
Other (outside the scope of ASC 606)	0	0	0	0
Operating Segments | Bank Segment
Disaggregation Of Revenue [Line Items]
TOTAL NONINTEREST INCOME	6,346	6,903	20,734	18,851
Operating Segments | Bank Segment | Service Charges on Deposit Accounts
Disaggregation Of Revenue [Line Items]
Noninterest income	924	904	2,522	2,752
Operating Segments | Bank Segment | Debit Card and EFT Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	1,128	1,048	3,438	2,866
Operating Segments | Bank Segment | Trust Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	0	0	0	0
Operating Segments | Bank Segment | Insurance Agency Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	799	784	2,748	2,348
Operating Segments | Bank Segment | Retirement Plan Consulting Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	0	0	0	0
Operating Segments | Bank Segment | Investment Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	638	353	1,665	1,080
Operating Segments | Bank Segment | Other
Disaggregation Of Revenue [Line Items]
Other (outside the scope of ASC 606)	$ 2,857	$ 3,814	$ 10,361	$ 9,805