Revenue from Contracts with Customers (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Net interest income	[1]	$ 36,070	$ 31,654	$ 103,695	$ 95,201
Asset-based wealth management revenues	[1]	10,224	8,786	29,798	25,297
Transaction-based wealth management revenues	[1]	231	168	980	951
Wealth management revenues	[1]	10,455	8,954	30,778	26,248
Mortgage banking revenues	[1]	6,373	12,353	24,294	33,300
Card interchange fees	[1]	1,265	1,161	3,714	3,139
Service charges on deposit accounts	[1]	673	598	1,917	1,975
Loan related derivative income	[1]	728	1,264	2,370	3,818
Income from bank-owned life insurance	[1]	618	567	1,781	1,922
Other income	[1]	408	571	2,233	1,313
Total noninterest income	[1]	20,520	25,468	67,087	71,715
Total revenues	[1]	56,590	57,122	170,782	166,916
Revenue from contracts in scope of Topic 606		12,703	11,204	38,243	32,388
Net Interest Income
Disaggregation of Revenue [Line Items]
Revenue from contracts in scope of Topic 606	[2]	0	0	0	0
Asset-based Wealth Management Revenues
Disaggregation of Revenue [Line Items]
Revenue from contracts in scope of Topic 606	[2]	10,224	8,786	29,798	25,297
Transaction-based Wealth Management Revenues
Disaggregation of Revenue [Line Items]
Revenue from contracts in scope of Topic 606	[2]	231	168	980	951
Total Wealth Management Revenues
Disaggregation of Revenue [Line Items]
Revenue from contracts in scope of Topic 606	[2]	10,455	8,954	30,778	26,248
Mortgage Banking Revenues
Disaggregation of Revenue [Line Items]
Revenue from contracts in scope of Topic 606	[2]	0	0	0	0
Card Interchange Fees
Disaggregation of Revenue [Line Items]
Revenue from contracts in scope of Topic 606	[2]	1,265	1,161	3,714	3,139
Service Charges on Deposit Accounts
Disaggregation of Revenue [Line Items]
Revenue from contracts in scope of Topic 606	[2]	673	598	1,917	1,975
Loan Related Derivative Income
Disaggregation of Revenue [Line Items]
Revenue from contracts in scope of Topic 606	[2]	0	0	0	0
Income From Bank-owned Life Insurance
Disaggregation of Revenue [Line Items]
Revenue from contracts in scope of Topic 606	[2]	0	0	0	0
Other Income
Disaggregation of Revenue [Line Items]
Revenue from contracts in scope of Topic 606	[2]	310	491	1,834	1,026
Total Noninterest Income
Disaggregation of Revenue [Line Items]
Revenue from contracts in scope of Topic 606	[2]	12,703	11,204	38,243	32,388
Total Revenues
Disaggregation of Revenue [Line Items]
Revenue from contracts in scope of Topic 606	[2]	$ 12,703	$ 11,204	$ 38,243	$ 32,388

[1] As reported in the Consolidated Statements of Income.

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