Discontinued Operations - Statement of operations (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Discontinued operations unaudited condensed consolidated statement of operations
Net (loss) income from discontinued operations	$ (1,309)		$ 1,388	$ (121,883)	$ 2,731
Sale | MSLO
Discontinued operations unaudited condensed consolidated statement of operations
Net revenue	7,383		9,081	18,771	17,722
Operating expenses	9,164		5,021	16,389	9,779
Impairment charges		$ 161,200		161,224
Loss on sale of MSLO	2,008			2,008
(Loss) income from operations	(3,789)		4,060	(160,850)	7,943
Other expense				100
Interest expense	1,769		1,697	3,570	3,293
(Loss) income from discontinued operations before income taxes	(5,558)		2,363	(164,520)	4,650
(Benefit from) provision for income taxes	(4,249)		975	(42,637)	1,919
Net (loss) income from discontinued operations	$ (1,309)	$ 161,200	$ 1,388	$ (121,883)	$ 2,731