Subsequent Events - Additional Information (Detail)	1 Months Ended	9 Months Ended		1 Months Ended
	Sep. 13, 2013	Sep. 30, 2013 USD ($)	Sep. 30, 2012 USD ($)	Oct. 16, 2013 Subsequent Event USD ($)	Oct. 16, 2013 Subsequent Event Rehabilitation Hospital	Oct. 10, 2013 Subsequent Event Senior Notes Five Point Seven Five Percentage EUR (€)
Subsequent Event [Line Items]
Estimated total development cost		$ 9,400,000		$ 5,200,000
Public Offering principal amount		$ 313,319,000	$ 220,107,000			€ 200,000,000
Debt instrument interest rate						5.75%
Maturity date of note						Jan. 10, 2020
Debt instrument interest payment terms						Interest on the Notes will be payable semi-annually on April 1 and October 1 of each year, commencing on April 1, 2014
Debt instrument interest payment terms						Semi-annually
Notes redemption term						On or after October 1, 2016, we may redeem some or all of the Notes at a premium that will decrease over time. In addition, at any time and from time to time prior to October 1, 2016 the Issuers may redeem up to 35% of the aggregate principal amount of the Notes using the proceeds of one or more equity offerings.
Notes repurchase rate percentage on principal amount						101.00%
Period past due, in days	90 days				90 days