Unaudited Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Unaudited Condensed Consolidated Statements of Comprehensive Income (Loss) [Abstract]
Net income	$ 1,535	$ 2,487	$ 4,283	$ 2,817
Other comprehensive income (loss), net of tax:
Unrealized net gains (losses) on fixed income securities	6,517	(2,026)	14,973	(5,147)
Foreign currency translation adjustments	284	(188)	591	(411)
Other comprehensive income (loss)	6,801	(2,214)	15,564	(5,558)
Comprehensive income (loss)	$ 8,336	$ 273	$ 19,847	$ (2,741)