Other Comprehensive Income (Loss) - AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
AOCI
Beginning balance	$ (98,641)
Other comprehensive income (loss)	24,986	$ (94,386)	$ (14,893)
Ending balance	(73,655)	(98,641)
Net Unrealized Gains (Losses) on Debt Securities
AOCI
Beginning balance	(98,547)	(4,161)	10,638
Other comprehensive income (loss) before reclassifications	44,093	(94,100)	(14,555)
Less: Amounts reclassified from AOCI	(18,704)	(286)	(244)
Other comprehensive income (loss)	25,389	(94,386)	(14,799)
Ending balance	(73,158)	(98,547)	(4,161)
Net Unrealized Gains (Losses) on Cash Flow Hedges
AOCI
Other comprehensive income (loss) before reclassifications	117
Less: Amounts reclassified from AOCI	(354)
Other comprehensive income (loss)	(237)
Ending balance	(237)
Net Unrealized Gains (Losses) on Other Derivatives
AOCI
Beginning balance	(94)	(94)
Other comprehensive income (loss) before reclassifications	(166)
Less: Amounts reclassified from AOCI			(94)
Other comprehensive income (loss)	(166)		(94)
Ending balance	(260)	(94)	(94)
AOCI
AOCI
Beginning balance	(98,641)	(4,255)	10,638
Other comprehensive income (loss) before reclassifications	44,044	(94,100)	(14,555)
Less: Amounts reclassified from AOCI	(19,058)	(286)	(338)
Other comprehensive income (loss)	24,986	(94,386)	(14,893)
Ending balance	$ (73,655)	$ (98,641)	$ (4,255)