Earnings Per Share (Summary of Computation of Basic and Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Numerator:
Net income (loss)	$ (243,966)	$ 2,205	$ (248,653)	$ 8,029
Less: Net income attributable to noncontrolling interests	1,095	775	1,410	400
Net income (loss) attributable to Quorum Health Corporation	$ (245,061)	$ 1,430	$ (250,063)	$ 7,629
Denominator:
Weighted-average common shares outstanding - basic and diluted	28,412,720	28,412,054	28,412,389	28,412,054
Basic and diluted earnings (loss) per share attributable to Quorum Health Corporation stockholders	$ (8.63)	$ 0.05	$ (8.80)	$ 0.27