Securities - Amortized Cost and Fair Value of Securities Available for Sale (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Amortized cost and fair value of securities available for sale
Amortized Cost	$ 1,113,283	$ 968,927
Gross Unrealized Gains	3,060	694
Gross Unrealized Losses	(114,287)	(138,608)
Fair Value	1,002,056	831,013
Obligations of states and political subdivisions
Amortized cost and fair value of securities available for sale
Amortized Cost	20,221	20,266
Gross Unrealized Gains	53	57
Gross Unrealized Losses	(2,024)	(2,269)
Fair Value	18,250	18,054
Other debt securities
Amortized cost and fair value of securities available for sale
Amortized Cost	162,119	130,175
Gross Unrealized Gains	590	440
Gross Unrealized Losses	(1,782)	(2,655)
Fair Value	160,927	127,960
Government agency mortgage backed securities \| Residential mortgage backed securities:
Amortized cost and fair value of securities available for sale
Amortized Cost	247,389	185,292
Gross Unrealized Gains	201	81
Gross Unrealized Losses	(21,007)	(24,468)
Fair Value	226,583	160,905
Government agency mortgage backed securities \| Commercial mortgage backed securities:
Amortized cost and fair value of securities available for sale
Amortized Cost	11,372	11,373
Gross Unrealized Gains	42	0
Gross Unrealized Losses	(549)	(751)
Fair Value	10,865	10,622
Government agency collateralized mortgage obligations \| Residential mortgage backed securities:
Amortized cost and fair value of securities available for sale
Amortized Cost	504,846	475,311
Gross Unrealized Gains	1,800	75
Gross Unrealized Losses	(69,091)	(86,870)
Fair Value	437,555	388,516
Government agency collateralized mortgage obligations \| Commercial mortgage backed securities:
Amortized cost and fair value of securities available for sale
Amortized Cost	167,336	146,510
Gross Unrealized Gains	374	41
Gross Unrealized Losses	(19,834)	(21,595)
Fair Value	$ 147,876	$ 124,956

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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