Loans and Allowance for Credit Losses (Loans by Class of Loan Portfolio) (Details) $ in Thousands	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Financing Receivable, Past Due [Line Items]
Loans	$ 4,648,725	$ 4,641,010
% of Total Loans	1.0000	1.0000
Less: allowance for credit losses	$ (57,336)	$ (57,351)	$ (28,464)	$ (16,643)
Loans, net	4,591,389	4,583,659
Construction
Financing Receivable, Past Due [Line Items]
Loans	$ 299,133	$ 299,000
% of Total Loans	0.0643	0.0644
Less: allowance for credit losses	$ (3,558)	$ (3,935)	(2,689)	(2,973)
Residential real estate
Financing Receivable, Past Due [Line Items]
Loans	$ 1,515,134	$ 1,490,438
% of Total Loans	0.3259	0.3211
Less: allowance for credit losses	$ (20,768)	$ (21,949)	(8,747)	(2,622)
Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	$ 2,272,867	$ 2,286,154
% of Total Loans	0.4890	0.4927
Less: allowance for credit losses	$ (21,250)	$ (20,975)	(9,858)	(4,899)
Commercial
Financing Receivable, Past Due [Line Items]
Loans	$ 229,594	$ 229,939
% of Total Loans	0.0494	0.0495
Less: allowance for credit losses	$ (2,879)	$ (2,671)	(1,860)	(1,652)
Consumer
Financing Receivable, Past Due [Line Items]
Loans	$ 325,076	$ 328,896
% of Total Loans	0.0699	0.0709
Less: allowance for credit losses	$ (8,682)	$ (7,601)	$ (5,310)	$ (4,497)
Credit Cards
Financing Receivable, Past Due [Line Items]
Loans	$ 6,921	$ 6,583
% of Total Loans	0.0015	0.0014
Less: allowance for credit losses	$ (199)	$ (220)