Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	$ 10,821	$ 10,499
TOTAL NON-INTEREST INCOME	15,037	14,081
Core Banking
Disaggregation of Revenue [Line Items]
Non-interest Income (out-of-scope of Topic 606)	4,216	3,582
Trust and Investment Product Fees
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	2,358	2,031
Trust and Investment Product Fees | Trust and Investment Advisory Services
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	2,358	2,031
Service Charges on Deposit Accounts
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	1,678	2,237
Service Charges on Deposit Accounts | Core Banking | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	1,678	2,237
Insurance Revenues
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	3,292	3,229
Insurance Revenues | Insurance | Transferred over Time
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	3,292	3,229
Interchange Fee Income
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	2,830	2,482
Interchange Fee Income | Core Banking | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	2,830	2,482
Other Operating Income | Core Banking | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	$ 663	$ 520