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Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation Of Revenue [Line Items]
TOTAL NONINTEREST INCOME	$ 9,538	$ 9,015	$ 9,508	$ 10,132	$ 10,499	$ 9,217	$ 8,652	$ 7,793	$ 38,193	$ 36,161	$ 28,042
Service Charges on Deposit Accounts
Disaggregation Of Revenue [Line Items]
Noninterest income									3,660	3,682	4,514
Debit Card and EFT Fees
Disaggregation Of Revenue [Line Items]
Noninterest income									5,144	4,264	3,886
Trust Fees
Disaggregation Of Revenue [Line Items]
Noninterest income									9,438	7,632	7,475
Insurance Agency Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income									3,456	3,124	2,919
Retirement Plan Consulting Fees
Disaggregation Of Revenue [Line Items]
Noninterest income									1,421	1,523	1,489
Investment Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income									2,276	1,530	1,406
Operating Segments
Disaggregation Of Revenue [Line Items]
TOTAL NONINTEREST INCOME									38,193	36,161	28,042
Operating Segments | Service Charges on Deposit Accounts
Disaggregation Of Revenue [Line Items]
Noninterest income									3,660	3,682	4,514
Operating Segments | Debit Card and EFT Fees
Disaggregation Of Revenue [Line Items]
Noninterest income									5,144	4,264	3,886
Operating Segments | Trust Fees
Disaggregation Of Revenue [Line Items]
Noninterest income									9,438	7,632	7,475
Operating Segments | Insurance Agency Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income									3,456	3,124	2,919
Operating Segments | Retirement Plan Consulting Fees
Disaggregation Of Revenue [Line Items]
Noninterest income									1,421	1,523	1,489
Operating Segments | Investment Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income									2,276	1,530	1,406
Operating Segments | Other
Disaggregation Of Revenue [Line Items]
Other (outside the scope of ASC 606)									12,798	14,406	6,353
Operating Segments | Trust Segment
Disaggregation Of Revenue [Line Items]
TOTAL NONINTEREST INCOME									10,859	9,155	8,964
Operating Segments | Trust Segment | Service Charges on Deposit Accounts
Disaggregation Of Revenue [Line Items]
Noninterest income									0	0	0
Operating Segments | Trust Segment | Debit Card and EFT Fees
Disaggregation Of Revenue [Line Items]
Noninterest income									0	0	0
Operating Segments | Trust Segment | Trust Fees
Disaggregation Of Revenue [Line Items]
Noninterest income									9,438	7,632	7,475
Operating Segments | Trust Segment | Insurance Agency Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income									0	0	0
Operating Segments | Trust Segment | Retirement Plan Consulting Fees
Disaggregation Of Revenue [Line Items]
Noninterest income									1,421	1,523	1,489
Operating Segments | Trust Segment | Investment Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income									0	0	0
Operating Segments | Trust Segment | Other
Disaggregation Of Revenue [Line Items]
Other (outside the scope of ASC 606)									0	0	0
Operating Segments | Bank Segment
Disaggregation Of Revenue [Line Items]
TOTAL NONINTEREST INCOME									27,334	27,006	19,078
Operating Segments | Bank Segment | Service Charges on Deposit Accounts
Disaggregation Of Revenue [Line Items]
Noninterest income									3,660	3,682	4,514
Operating Segments | Bank Segment | Debit Card and EFT Fees
Disaggregation Of Revenue [Line Items]
Noninterest income									5,144	4,264	3,886
Operating Segments | Bank Segment | Trust Fees
Disaggregation Of Revenue [Line Items]
Noninterest income									0	0	0
Operating Segments | Bank Segment | Insurance Agency Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income									3,456	3,124	2,919
Operating Segments | Bank Segment | Retirement Plan Consulting Fees
Disaggregation Of Revenue [Line Items]
Noninterest income									0	0	0
Operating Segments | Bank Segment | Investment Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income									2,276	1,530	1,406
Operating Segments | Bank Segment | Other
Disaggregation Of Revenue [Line Items]
Other (outside the scope of ASC 606)									$ 12,798	$ 14,406	$ 6,353

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