Revenue Recognition (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Non-interest Income (out-of-scope of Topic 606)	$ 9,042	$ 6,018	$ 6,347
Total Non-interest Income	45,501	37,070	31,854
Trust and Investment Product Fees
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	7,278	6,680	5,272
Service Charges on Deposit Accounts
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	8,718	7,044	6,178
Insurance Revenues
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	8,940	8,330	7,979
Interchange Fee Income
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	9,450	7,278	4,567
In-Scope of Topic 606:
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	36,459	31,052	25,507
In-Scope of Topic 606: | Trust and Investment Product Fees
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	7,278	6,680	5,272
In-Scope of Topic 606: | Transferred at Point in Time | Service Charges on Deposit Accounts
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	8,718	7,044	6,178
In-Scope of Topic 606: | Transferred at Point in Time | Interchange Fee Income
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	9,450	7,278	4,567
In-Scope of Topic 606: | Transferred at Point in Time | Other Operating Income
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	2,073	1,720	1,511
In-Scope of Topic 606: | Transferred over Time | Insurance Revenues
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	$ 8,940	$ 8,330	$ 7,979