Discontinued Operations - Income from Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2016		Jun. 30, 2015		Jun. 30, 2016		Jun. 30, 2015
Revenue:
Health premium	$ 56,774		$ 83,083		$ 111,473		$ 171,175
Benefits and expenses:
Health policyholder benefits	51,871		83,977		113,352		178,099
Amortization of deferred acquisition costs	932		1,166		1,940		1,769
Commissions, premium taxes, and non-deferred acquisition expenses	3,792		4,886		8,901		11,049
Other operating expense	1,510		1,389		3,290		2,638
Total benefits and expenses	58,105		91,418		127,483		193,555
Income (loss) before income taxes for discontinued operations	(1,331)		(8,335)		(16,010)		(22,380)
Income taxes	466		2,918		5,604		7,833
Income (loss) from discontinued operations	$ (865)	[1]	$ (5,417)	[2]	$ (10,406)	[1]	$ (14,547)	[2]

[1] Due to the adoption of ASU 2016-09, certain balances related to excess tax benefits from stock compensation were adjusted prospectively as described in Note 2—New Accounting Standards.

[2] Certain prior year balances were adjusted to give effect to discontinued operations as described in Note 5—Discontinued Operations.