Revenue from Contracts with Customers (Disaggregation of Revenue by Source) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	$ 207,172	$ 170,130	$ 161,465
Brokerage and insurance product commissions
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	20,710	18,731	18,825
Trust
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	21,930	18,392	18,767
Asset management
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	81,379	63,213	59,522
Wealth management
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	124,019	100,336	97,114
Mortgage broker fees
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	787	368	768
Service charges on deposit accounts
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	54,168	45,023	39,070
Administrative services
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	5,689	4,385	4,197
Card related fees
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	9,210	7,579	7,816
Other deposit related fees
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	$ 13,299	$ 12,439	$ 12,500