Basis of Accounting and Consolidation - Schedule of Components of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Balance	$ 660,687	$ 633,155	$ 661,865	$ 626,268	$ 666,385	$ 633,894
Accumulated Other Comprehensive Income (Loss)
Net unrealized losses on securities available-for-sale	(213,470)	(213,387)
Tax benefit	61,904	61,880
Balance	$ (151,566)	$ (151,507)	$ (137,901)	$ (128,240)	$ (74,028)	$ (831)