Consolidated Statements Of Changes In Shareholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings (Deficit) [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Noncontrolling Interest [Member]	Harden Healthcare Holdings Inc. [Member]
Beginning Balance at Dec. 31, 2010	$ 638,232	$ 3,080	$ 372,106	$ 272,394	$ 478	$ (12,484)	$ 2,658
Shares, Beginning Balance at Dec. 31, 2010		30,799,091
Comprehensive (loss) income:
Net (loss) income	(449,884)	0	0	(450,525)	0	0	641
Unrealized loss on interest rate swap, net of tax	(768)	0	0	0	(768)	0	0
Realized loss on interest rate swap	290				290
Total comprehensive income (loss)	(450,362)	0	0	(450,525)	(478)	0	641
Income tax benefits associated with the exercise of non-qualified stock options	257	0	257	0	0	0	0
Equity-based compensation expense	7,548	0	7,548	0	0	0	0
Other non-cash compensation expense	407	0	407	0	0	0	0
Net issuance of stock upon exercise of stock options and under stock plans for employees and directors, shares		636,173
Net issuance of stock upon exercise of stock options and under stock plans for employees and directors	7,901	64	7,837	0	0	0	0
Acquisition of noncontrolling interest	(320)	0	(352)	0	0	0	32
Distribution to partnership interests	(738)	0	0	0	0	0	(738)
Treasury shares:
Common stock received from Healthfield escrow	(394)	0	0	0	0	(394)	0
Ending Balance at Dec. 31, 2011	202,531	3,144	387,803	(178,131)	0	(12,878)	2,593
Shares, Ending Balance at Dec. 31, 2011		31,435,264
Comprehensive (loss) income:
Net (loss) income	27,680	0	0	26,796	0	0	884
Total comprehensive income (loss)	27,680	0	0	26,796	0	0	884
Income tax benefits associated with the exercise of non-qualified stock options	(223)	0	(223)	0	0	0	0
Equity-based compensation expense	7,645	0	7,645	0	0	0	0
Net issuance of stock upon exercise of stock options and under stock plans for employees and directors, shares		574,022
Net issuance of stock upon exercise of stock options and under stock plans for employees and directors	3,980	57	3,923	0	0	0	0
Acquisition of noncontrolling interest	(1,113)	0	0	0	0	0	(1,113)
Distribution to partnership interests	(826)	0	0	0	0	0	(826)
Treasury shares:
Common stock received from Healthfield escrow	(4,974)	0	0	0	0	(4,974)	0
Ending Balance at Dec. 31, 2012	234,700	3,201	399,148	(151,335)	0	(17,852)	1,538
Shares, Ending Balance at Dec. 31, 2012		32,009,286
Comprehensive (loss) income:
Net (loss) income	(598,507)	0	0	(598,994)	0	0	487
Total comprehensive income (loss)	(598,507)	0	0	(598,994)	0	0	487
Income tax benefits associated with the exercise of non-qualified stock options	(1,507)	0	(1,507)	0	0	0	0
Equity-based compensation expense	8,210	0	8,210	0	0	0	0
Net issuance of stock upon exercise of stock options and under stock plans for employees and directors, shares		891,602
Net issuance of stock upon exercise of stock options and under stock plans for employees and directors	3,231	89	3,142	0	0	0	0
Issuance of stock in connection with Harden acquisition, shares		4,812,414
Issuance of stock in connection with Harden acquisition, value	53,750	481	53,269	0	0	0	0
Minority interest capital contribution	1,600	0	0	0	0	0	1,600
Distribution to partnership interests	(750)	0	0	0	0	0	(750)
Treasury shares:
Stock repurchase	(921)	0	0	0	0	(921)	0
Ending Balance at Dec. 31, 2013	$ (300,194)	$ 3,771	$ 462,262	$ (750,329)	$ 0	$ (18,773)	$ 2,875
Shares, Ending Balance at Dec. 31, 2013		37,713,302