Unaudited Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Unaudited Condensed Consolidated Statements of Comprehensive Income (Loss) [Abstract]
Net income	$ 2,748	$ 330
Other comprehensive income (loss), net of tax:
Unrealized net gains (losses) on fixed income securities	8,456	(3,121)
Foreign currency translation adjustments	307	(223)
Other comprehensive income (loss)	8,763	(3,344)
Comprehensive income (loss)	$ 11,511	$ (3,014)