Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 670,151	$ 695,295
Net unrealized gains on investments in securities
Ending balance	656,801	687,310
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(27,984)	(28,013)
Net unrealized gains on investments in securities
Ending balance	(26,891)	(28,845)
Foreign currency translation adjustments
Foreign currency translation adjustments
Other comprehensive income (loss) before reclassifications	1,003	(925)
Amounts reclassified from accumulated other comprehensive loss	0	0
Net unrealized gains on investments in securities
Other comprehensive income before reclassifications	1,003	(925)
Amounts reclassified from accumulated other comprehensive loss	0	0
Net current-period other comprehensive income (loss)	1,003	(925)
Net unrealized gains on investments in securities
Foreign currency translation adjustments
Other comprehensive income (loss) before reclassifications	90	93
Amounts reclassified from accumulated other comprehensive loss	0	0
Net unrealized gains on investments in securities
Other comprehensive income before reclassifications	90	93
Amounts reclassified from accumulated other comprehensive loss	0	0
Net current-period other comprehensive income (loss)	$ 90	$ 93