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Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Disaggregation Of Revenue [Line Items]
TOTAL NONINTEREST INCOME	$ 10,583	$ 7,870
Service Charges on Deposit Accounts
Disaggregation Of Revenue [Line Items]
Noninterest income	808	1,095
Debit Card and EFT Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	1,084	851
Trust Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	2,236	1,857
Insurance Agency Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	1,001	883
Retirement Plan Consulting Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	320	380
Investment Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	504	423
Operating Segments
Disaggregation Of Revenue [Line Items]
TOTAL NONINTEREST INCOME	10,583	7,715
Operating Segments | Service Charges on Deposit Accounts
Disaggregation Of Revenue [Line Items]
Noninterest income	808	1,095
Operating Segments | Debit Card and EFT Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	1,084	851
Operating Segments | Trust Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	2,236	1,857
Operating Segments | Insurance Agency Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	1,001	883
Operating Segments | Retirement Plan Consulting Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	320	380
Operating Segments | Investment Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	504	423
Operating Segments | Other
Disaggregation Of Revenue [Line Items]
Other (outside the scope of ASC 606)	4,630	2,226
Operating Segments | Trust Segment
Disaggregation Of Revenue [Line Items]
TOTAL NONINTEREST INCOME	2,556	2,237
Operating Segments | Trust Segment | Service Charges on Deposit Accounts
Disaggregation Of Revenue [Line Items]
Noninterest income	0	0
Operating Segments | Trust Segment | Debit Card and EFT Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	0	0
Operating Segments | Trust Segment | Trust Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	2,236	1,857
Operating Segments | Trust Segment | Insurance Agency Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	0	0
Operating Segments | Trust Segment | Retirement Plan Consulting Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	320	380
Operating Segments | Trust Segment | Investment Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	0	0
Operating Segments | Trust Segment | Other
Disaggregation Of Revenue [Line Items]
Other (outside the scope of ASC 606)	0	0
Operating Segments | Bank Segment
Disaggregation Of Revenue [Line Items]
TOTAL NONINTEREST INCOME	8,027	5,478
Operating Segments | Bank Segment | Service Charges on Deposit Accounts
Disaggregation Of Revenue [Line Items]
Noninterest income	808	1,095
Operating Segments | Bank Segment | Debit Card and EFT Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	1,084	851
Operating Segments | Bank Segment | Trust Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	0	0
Operating Segments | Bank Segment | Insurance Agency Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	1,001	883
Operating Segments | Bank Segment | Retirement Plan Consulting Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	0	0
Operating Segments | Bank Segment | Investment Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	504	423
Operating Segments | Bank Segment | Other
Disaggregation Of Revenue [Line Items]
Other (outside the scope of ASC 606)	$ 4,630	$ 2,226

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