Consolidated Statement of Changes in Equity and Income (unaudited) (USD $) In Thousands	Total	Select Medical Corporation [Member]	Comprehensive Income	Comprehensive Income Select Medical Corporation [Member]	Common Stock	Common Stock Select Medical Corporation [Member]	Capital in Excess of Par	Capital in Excess of Par Select Medical Corporation [Member]	Retained Earnings	Retained Earnings Select Medical Corporation [Member]	Non-controlling Interests	Non-controlling Interests Select Medical Corporation [Member]
Beginning Balance at Dec. 31, 2010	$ 815,414	$ 1,116,128			$ 155	$ 0	$ 535,628	$ 834,894	$ 248,097	$ 249,700	$ 31,534	$ 31,534
Beginning Balance, Shares at Dec. 31, 2010					154,519	0
Net income	49,044	64,149	49,044	64,149					45,391	60,496	3,653	3,653
Issuance and vesting of restricted stock	1,192						1,192
Exercise of stock options	169				0		169
Exercise of stock options, shares					42
Stock option expense	588						588
Repurchase of common shares	(3,285)				(1)		(2,156)		(1,128)
Repurchase of common shares, shares					(409)
Federal tax benefit of losses contributed by Holdings		8,132						8,132
Additional investment by Holdings		169						169
Net change in dividends payable to Holdings		7,400								7,400
Dividends declared and paid to Holdings		(171,008)								(171,008)
Distributions to non-controlling interests	(2,270)	(2,270)									(2,270)	(2,270)
Other	(8)	(8)									(8)	(8)
Contribution related to restricted stock awards and stock option issuances by Holdings		1,780						1,780
Ending Balance at Jun. 30, 2011	860,844	1,024,472			154	0	535,421	844,975	292,360	146,588	32,909	32,909
Ending Balance, Shares at Jun. 30, 2011					154,152	0
Beginning Balance at Mar. 31, 2011
Net income	13,657	24,210
Ending Balance at Jun. 30, 2011	$ 860,844	$ 1,024,472				$ 0
Ending Balance, Shares at Jun. 30, 2011						0