Segments (Summary of Financial Information Related to the Company`s Segments) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Segment Reporting Information [Line Items]
Total net operating revenues	$ 527,640	$ 549,551
Total adjusted EBITDA	26,142	56,224
Total assets	2,081,710		$ 1,994,370
Hospital Operations Reporting Unit [Member]
Segment Reporting Information [Line Items]
Total net operating revenues	506,418	527,424
Total adjusted EBITDA	37,466	52,171
Total assets	1,812,402		1,802,121
All Other Operations [Member]
Segment Reporting Information [Line Items]
Total net operating revenues	21,222	22,127
Total adjusted EBITDA	(11,324)	$ 4,053
Total assets	$ 269,308		$ 192,249