Accumulated Other Comprehensive Income Reclassification Out Of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gain (Loss) on Investments	$ 1,092	$ (10,134)	$ 1,535	$ (14,302)
Write-down of securities	(30)	(127)	(112)	(127)
Income (loss) before income taxes	9,846	2,953	11,407	10,746
Tax	(2,261)	(674)	(2,641)	(2,282)
Net income	7,585	2,279	8,766	8,464
Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income	(23)	(134)	(86)	(134)
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	0	(46)	0	(46)
Write-down of securities	(30)	(127)	(112)	(127)
Income (loss) before income taxes	(30)	(173)	(112)	(173)
Tax	7	39	26	39
Net income	$ (23)	$ (134)	$ (86)	$ (134)