Revenue from Contracts with Customers (Disaggregation by Timing of Revenue Recognition) (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Revenue from contracts in scope of Topic 606		$ 12,882	$ 10,743
Wealth Management Revenues
Revenue from contracts in scope of Topic 606	[1]	9,895	8,689
Wealth Management Revenues | Transferred over Time [Member]
Revenue from contracts in scope of Topic 606		9,895	8,689
Card Interchange Fees
Revenue from contracts in scope of Topic 606	[1]	1,133	947
Card Interchange Fees | Transferred at Point in Time [Member]
Revenue from contracts in scope of Topic 606		1,133	947
Service Charges on Deposit Accounts
Revenue from contracts in scope of Topic 606	[1]	609	860
Service Charges on Deposit Accounts | Transferred at Point in Time [Member]
Revenue from contracts in scope of Topic 606		481	667
Service Charges on Deposit Accounts | Transferred over Time [Member]
Revenue from contracts in scope of Topic 606		128	193
Other Income
Revenue from contracts in scope of Topic 606	[1]	1,245	247
Other Income | Transferred at Point in Time [Member]
Revenue from contracts in scope of Topic 606		1,203	200
Other Income | Transferred over Time [Member]
Revenue from contracts in scope of Topic 606		$ 42	$ 47

[1] Revenue from contracts with customers in scope of ASC 606.