Unaudited Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Unaudited Condensed Consolidated Statements of Comprehensive Income (Loss) [Abstract]
Net income (loss)	$ 11,367	$ 1,535	$ (10,789)	$ 4,283
Other comprehensive income (loss), net of tax:
Unrealized net gains (losses) on fixed income securities	19,851	6,517	(1,010)	14,973
Foreign currency translation adjustments	221	284	(466)	591
Net current-period other comprehensive income (loss)	20,072	6,801	(1,476)	15,564
Comprehensive income (loss)	$ 31,439	$ 8,336	$ (12,265)	$ 19,847