Accumulated Other Comprehensive Income Reclassification Out Of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gain (loss) on investments	$ 2,104	$ 1,242	$ 925	$ 3,664
Write-down of securities	0	(21)	0	(74)
Income (loss) before income taxes	15,798	11,267	19,851	17,064
Tax	(3,520)	(2,396)	(4,402)	(3,668)
Net income	12,278	8,871	15,449	13,396
Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income	1	(15)	4	(56)
Reclassification out of Accumulated Other Comprehensive Income | Unrealized Gains and Losses on Available-For-Sale Securities
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gain (loss) on investments	2	0	5	0
Write-down of securities	0	(21)	0	(74)
Income (loss) before income taxes	2	(21)	5	(74)
Tax	(1)	6	(1)	18
Net income	$ 1	$ (15)	$ 4	$ (56)