Revenue Recognition (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]
Non-interest Income (in-scope of Topic 606)	$ 8,092	$ 8,679	$ 18,591	$ 17,895
TOTAL NON-INTEREST INCOME	12,423	10,509	26,504	22,167
Core Banking
Disaggregation of Revenue [Line Items]
Non-interest Income (out-of-scope of Topic 606)	4,331	1,830	7,913	4,272
Trust and Investment Product Fees
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	1,867	1,913	3,898	3,480
Trust and Investment Product Fees | Trust and Investment Advisory Services
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	1,867	1,913	3,898	3,480
Service Charges on Deposit Accounts
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	1,365	2,024	3,602	3,924
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)	1,365	2,024	3,602	3,924
Insurance Revenues
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	1,830	1,929	5,059	5,134
Insurance Revenues | Insurance | Transferred over Time
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	1,830	1,929	5,059	5,134
Interchange Fee Income
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	2,476	2,332	4,958	4,427
Interchange Fee Income | Core Banking | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	2,476	2,332	4,958	4,427
Other Operating Income | Core Banking | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Non-interest Income (in-scope of Topic 606)	$ 554	$ 481	$ 1,074	$ 930