Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation Of Revenue [Line Items]
TOTAL NONINTEREST INCOME	$ 9,872	$ 9,136	$ 20,455	$ 17,006
Service Charges on Deposit Accounts
Disaggregation Of Revenue [Line Items]
Noninterest income	790	753	1,598	1,848
Debit Card and EFT Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	1,226	967	2,310	1,818
Trust Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	2,358	1,852	4,594	3,709
Insurance Agency Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	948	681	1,949	1,564
Retirement Plan Consulting Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	389	408	709	788
Investment Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	523	304	1,027	727
Operating Segments
Disaggregation Of Revenue [Line Items]
TOTAL NONINTEREST INCOME	9,872	9,136	20,455	17,006
Operating Segments | Service Charges on Deposit Accounts
Disaggregation Of Revenue [Line Items]
Noninterest income	790	753	1,598	1,848
Operating Segments | Debit Card and EFT Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	1,226	967	2,310	1,818
Operating Segments | Trust Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	2,358	1,852	4,594	3,709
Operating Segments | Insurance Agency Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	948	681	1,949	1,564
Operating Segments | Retirement Plan Consulting Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	389	408	709	788
Operating Segments | Investment Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	523	457	1,027	880
Operating Segments | Other
Disaggregation Of Revenue [Line Items]
Other (outside the scope of ASC 606)	3,638	4,018	8,268	6,399
Operating Segments | Trust Segment
Disaggregation Of Revenue [Line Items]
TOTAL NONINTEREST INCOME	2,747	2,260	5,303	4,497
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	2,358	1,852	4,594	3,709
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	389	408	709	788
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	7,125	6,876	15,152	12,509
Operating Segments | Bank Segment | Service Charges on Deposit Accounts
Disaggregation Of Revenue [Line Items]
Noninterest income	790	753	1,598	1,848
Operating Segments | Bank Segment | Debit Card and EFT Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	1,226	967	2,310	1,818
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	948	681	1,949	1,564
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	523	457	1,027	880
Operating Segments | Bank Segment | Other
Disaggregation Of Revenue [Line Items]
Other (outside the scope of ASC 606)	$ 3,638	$ 4,018	$ 8,268	$ 6,399