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Securities - Schedule of Securities Available-for-Sale (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 1,796,040	$ 1,871,260
Gross Unrealized Gains	413	1,337
Gross Unrealized Losses	(279,166)	(275,765)
Fair Value	1,517,287	1,596,832
U.S. Treasury
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	110,813	0
Gross Unrealized Gains	51	0
Gross Unrealized Losses	0	0
Fair Value	110,864	0
Obligations of State and Political Subdivisions
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	587,963	889,940
Gross Unrealized Gains	21	1,309
Gross Unrealized Losses	(124,815)	(122,374)
Fair Value	463,169	768,875
MBS/CMO
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	817,553	761,025
Gross Unrealized Gains	341	28
Gross Unrealized Losses	(115,715)	(116,013)
Fair Value	702,179	645,040
US Gov’t Sponsored Entities & Agencies
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	279,711	220,295
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(38,636)	(37,378)
Fair Value	$ 241,075	$ 182,917

X

- Definition

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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