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Other Comprehensive Income (Loss) - Components of Other Comprehensive Income (loss) Pre-Tax and After-Tax (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023
After-tax
Other comprehensive income (loss)	$ 30,125	$ 996	$ (2,542)	$ (11,258)	$ (5,866)	$ 13,791	$ 28,579	$ (3,333)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent
Pre-tax
Unrealized holding gains (losses) arising during the period	39,166			(14,942)			37,120	(5,151)
Less: Reclassification adjustments for (gains) losses realized in net income (loss)	800			10			796	732
Other comprehensive income (loss)	39,966			(14,932)			37,916	(4,419)
Tax
Unrealized holding gains (losses) arising during the period	9,645			(3,677)			9,141	(1,266)
Less: Reclassification adjustments for (gains) losses realized in net income (loss)	196			3			196	180
Other comprehensive income (loss)	9,841			(3,674)			9,337	(1,086)
After-tax
Unrealized holding gains (losses) arising during the period	29,521			(11,265)			27,979	(3,885)
Less: Reclassification adjustments for (gains) losses realized in net income (loss)	604			7			600	552
Other comprehensive income (loss)	$ 30,125			$ (11,258)			$ 28,579	$ (3,333)