Accumulated Other Comprehensive Income Reclassification Out Of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net realized gain (loss) on investments	$ 553	$ (14)	$ 141	$ 776
Income (loss) before income taxes	(17,922)	(6,920)	(9,393)	(15,233)
Tax	3,427	1,420	1,909	3,107
Net income	14,495	$ 5,500	7,484	12,126
Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income	0		348	$ 0
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]
Net realized gain (loss) on investments	0		30
Other-than-temporary impairments	0		(482)
Income (loss) before income taxes	0		(452)
Tax	0		104
Net income	$ 0		$ 348