Consolidated Balance Sheets (unaudited) (Parenthetical) (USD $) In Thousands, except Share data	Jun. 30, 2011	Dec. 31, 2010
Current Assets:
Allowance for doubtful accounts receivable	$ 50,093	$ 44,416
Stockholders' Equity:
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	700,000,000	700,000,000
Common stock, shares issued	154,151,566	154,519,025
Common stock, shares outstanding	154,151,566	154,519,025
Select Medical Corporation [Member]
Current Assets:
Allowance for doubtful accounts receivable	$ 50,093	$ 44,416
Stockholders' Equity:
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares issued	100	100
Common stock, shares outstanding	100	100