Segments (Summary of Financial Information Related to Segments) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Segment Reporting Information [Line Items]
Total net operating revenues	$ 529,737	$ 538,352	$ 1,079,288	$ 1,085,969
Total adjusted EBITDA	29,232	59,625	85,456	125,654
Total assets	2,102,359		2,102,359		$ 2,294,856
Hospital Operations Reporting Unit [Member]
Segment Reporting Information [Line Items]
Total net operating revenues	508,906	515,428	1,036,317	1,039,621
Total adjusted EBITDA	26,457	55,953	75,396	118,645
Total assets	1,906,376		1,906,376		2,256,557
All Other [Member]
Segment Reporting Information [Line Items]
Total net operating revenues	20,831	22,924	42,971	46,348
Total adjusted EBITDA	2,775	$ 3,672	10,060	$ 7,009
Total assets	$ 195,983		$ 195,983		$ 38,299