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Other Comprehensive Income (Loss) - Summary of Unrealized Gains and Losses on Available-for-Sale Securities (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balance at beginning of period $ 243,079 $ 228,923
Other comprehensive (loss) gain (2,804) 1,449
Balance at end of period 242,624 228,461
Accumulated Net Investment Gain (Loss) Attributable to Parent    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balance at beginning of period (39,575) (44,718)
Unrealized (losses) gains arising during the period (4,102) 5,292
Related deferred taxes 861 (1,111)
Other comprehensive (loss) gain (3,241) 4,181
Balance at end of period $ (42,816) $ (40,537)