Revenue from Contracts with Customers (Disaggregation of Revenue by Source) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	$ 217,719	$ 207,172	$ 170,130
Brokerage and insurance product commissions
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	17,668	20,710	18,731
Trust
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	33,460	21,930	18,392
Asset management
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	75,486	81,379	63,213
Wealth management
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	126,614	124,019	100,336
Mortgage broker fees
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	854	787	368
Service charges on deposit accounts
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	58,574	54,168	45,023
Administrative services
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	6,713	5,689	4,385
Card related fees
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	11,474	9,210	7,579
Other deposit related fees
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	$ 13,490	$ 13,299	$ 12,439