Discontinued Operations - Income from Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenue:
Health premium	$ (224)	$ 54,699
Benefits and expenses:
Health policyholder benefits	4,184	61,481
Amortization of deferred acquisition costs	0	1,008
Commissions, premium taxes, and non-deferred acquisition expenses	576	5,109
Other operating expense	611	1,780
Total benefits and expenses	5,371	69,378
Income (loss) before income taxes for discontinued operations	(5,595)	(14,679)
Income tax benefit (expense)	1,958	5,138
Income (loss) from discontinued operations	$ (3,637)	$ (9,541)