Securities (Summary of Investments) (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Available for sale debt securities, amortized cost	$ 1,049,557	$ 1,152,629
Available for sale debt securities, unrealized gains	57	261
Available for sale debt securities, unrealized losses	(133,309)	(152,510)
Allowance for credit losses on securities	0	0
Available for sale debt securities, fair value	916,305	1,000,380
Obligations of U.S. government agencies and U.S. government-sponsored enterprises
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Available for sale debt securities, amortized cost	41,751	250,450
Available for sale debt securities, unrealized gains	0	15
Available for sale debt securities, unrealized losses	(3,139)	(24,723)
Allowance for credit losses on securities	0	0
Available for sale debt securities, fair value	38,612	225,742
Mortgage-backed securities issued by U.S. government-sponsored agencies and U.S. government-sponsored enterprises
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Available for sale debt securities, amortized cost	984,546	879,597
Available for sale debt securities, unrealized gains	52	246
Available for sale debt securities, unrealized losses	(129,451)	(125,887)
Allowance for credit losses on securities	0	0
Available for sale debt securities, fair value	855,147	753,956
Obligations of states of political subdivisions
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Available for sale debt securities, amortized cost	650
Available for sale debt securities, unrealized gains	5
Available for sale debt securities, unrealized losses	0
Allowance for credit losses on securities	0
Available for sale debt securities, fair value	655
Individual name issuer trust preferred debt securities
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Available for sale debt securities, amortized cost	9,414	9,400
Available for sale debt securities, unrealized gains	0	0
Available for sale debt securities, unrealized losses	(193)	(607)
Allowance for credit losses on securities	0	0
Available for sale debt securities, fair value	9,221	8,793
Corporate bonds
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Available for sale debt securities, amortized cost	13,196	13,182
Available for sale debt securities, unrealized gains	0	0
Available for sale debt securities, unrealized losses	(526)	(1,293)
Allowance for credit losses on securities	0	0
Available for sale debt securities, fair value	$ 12,670	$ 11,889

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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