Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation Of Revenue [Line Items]
TOTAL NONINTEREST INCOME	$ 9,136	$ 7,129	$ 17,006	$ 13,772
Service Charges on Deposit Accounts
Disaggregation Of Revenue [Line Items]
Noninterest income	753	1,093	1,848	2,167
Debit Card and EFT Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	967	887	1,818	1,665
Trust Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	1,852	1,821	3,709	3,679
Insurance Agency Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	681	739	1,564	1,542
Retirement Plan Consulting Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	408	450	788	808
Investment Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	304	327	727	587
Operating Segments
Disaggregation Of Revenue [Line Items]
TOTAL NONINTEREST INCOME	9,136	7,129	17,006	13,772
Operating Segments | Service Charges on Deposit Accounts
Disaggregation Of Revenue [Line Items]
Noninterest income	753	1,093	1,848	2,167
Operating Segments | Debit Card and EFT Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	967	887	1,818	1,665
Operating Segments | Trust Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	1,852	1,821	3,709	3,679
Operating Segments | Insurance Agency Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	681	739	1,564	1,542
Operating Segments | Retirement Plan Consulting Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	408	450	788	808
Operating Segments | Investment Commissions
Disaggregation Of Revenue [Line Items]
Noninterest income	457	327	880	587
Operating Segments | Other
Disaggregation Of Revenue [Line Items]
Noninterest income	4,018	1,812	6,399	3,324
Operating Segments | Trust Segment
Disaggregation Of Revenue [Line Items]
TOTAL NONINTEREST INCOME	2,260	2,271	4,497	4,487
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	1,852	1,821	3,709	3,679
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	408	450	788	808
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]
Noninterest income	0	0	0	0
Operating Segments | Bank Segment
Disaggregation Of Revenue [Line Items]
TOTAL NONINTEREST INCOME	6,876	4,858	12,509	9,285
Operating Segments | Bank Segment | Service Charges on Deposit Accounts
Disaggregation Of Revenue [Line Items]
Noninterest income	753	1,093	1,848	2,167
Operating Segments | Bank Segment | Debit Card and EFT Fees
Disaggregation Of Revenue [Line Items]
Noninterest income	967	887	1,818	1,665
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	681	739	1,564	1,542
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	457	327	880	587
Operating Segments | Bank Segment | Other
Disaggregation Of Revenue [Line Items]
Noninterest income	$ 4,018	$ 1,812	$ 6,399	$ 3,324