Real Estate and Lending Activities - Additional Information (Detail) (USD $)	1 Months Ended					3 Months Ended		9 Months Ended				1 Months Ended	9 Months Ended			3 Months Ended		1 Months Ended	9 Months Ended			1 Months Ended	9 Months Ended			1 Months Ended		3 Months Ended	9 Months Ended	3 Months Ended		9 Months Ended		1 Months Ended	9 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended				9 Months Ended		3 Months Ended		9 Months Ended		12 Months Ended	1 Months Ended		1 Months Ended	3 Months Ended	1 Months Ended	6 Months Ended	9 Months Ended			3 Months Ended		1 Months Ended	3 Months Ended	1 Months Ended
	Sep. 13, 2013	Jul. 18, 2013	Jun. 11, 2013 Hospital RenewalOptions Bed	Jul. 03, 2012 Leases	Mar. 31, 2012	Sep. 30, 2013 Contract	Sep. 30, 2012	Sep. 30, 2013 Contract	Sep. 30, 2012	May 04, 2013 Bed	Sep. 30, 2013 Letter of Credit	Oct. 14, 2011 Emerus Holding, Inc. and Baptist Health System JV Hospital	Sep. 30, 2013 Emerus Holding, Inc. and Baptist Health System JV Property Contract	Dec. 31, 2012 Emerus Holding, Inc. and Baptist Health System JV Property	Sep. 30, 2013 Twelve Oaks Facility	Sep. 30, 2013 Texas	Sep. 30, 2013 California	Jul. 18, 2013 Minimum	Sep. 30, 2013 Minimum	Sep. 30, 2013 Minimum Emerus Holding, Inc. and Baptist Health System JV	Sep. 30, 2013 Minimum Floor Rate [Member]	Jul. 18, 2013 Maximum	Sep. 30, 2013 Maximum	Sep. 30, 2013 Maximum Emerus Holding, Inc. and Baptist Health System JV	Sep. 30, 2013 Maximum Ceiling [Member]	Sep. 19, 2012 Acute Care Medical Center Bed	Sep. 19, 2012 Roxborough Memorial Hospital Bed	Sep. 30, 2013 2013 Acquisitions [Member]	Sep. 30, 2013 2013 Acquisitions [Member]	Sep. 30, 2013 Acute Care Iasis Hospital Facility	Sep. 30, 2013 Acute Care Iasis Hospital Maximum	Sep. 30, 2013 Acute Care Facility Facility State	Jul. 03, 2012 Acute Care Facility Bed	Sep. 13, 2013 Rehabilitation Hospital Facility	Sep. 30, 2013 Rehabilitation Hospital Facility	Sep. 30, 2013 Ernest	Sep. 30, 2012 Ernest	Sep. 30, 2013 Ernest	Sep. 30, 2012 Ernest	Dec. 31, 2012 Ernest	Jun. 13, 2013 Ernest Bed	Feb. 29, 2012 Ernest	Sep. 30, 2013 Ernest Key Management Personnel	Sep. 30, 2013 Ernest Minimum	Mar. 31, 2012 Florence acute care facility	Sep. 30, 2013 Prime Health Care Services	Sep. 30, 2012 Prime Health Care Services	Sep. 30, 2013 Prime Health Care Services	Sep. 30, 2012 Prime Health Care Services	Dec. 31, 2012 Prime Health Care Services	Jul. 18, 2013 Corpus Christi Rehabilitation Hospital	Jul. 18, 2013 Corpus Christi Rehabilitation Hospital Commitment	May 20, 2013 Rehabilitation Facility in South Ogden	Sep. 30, 2013 Rehabilitation Facility in South Ogden	Mar. 04, 2013 Rehabilitation Facility in Post Falls, Idaho	Sep. 30, 2013 Rehabilitation Facility in Post Falls, Idaho	Sep. 30, 2013 Monroe Hospital	Sep. 30, 2010 Monroe Hospital	Jul. 11, 2013 First Choice Room	Sep. 30, 2013 Location Dallas, TX [Member]	Sep. 30, 2013 Location Austin, TX	Dec. 30, 2012 Location Altoona, WI	Sep. 30, 2013 Location Altoona, WI	Apr. 30, 2013 Health South Rehabilitation Hospital Of Southeast Arizona and Southeast Texas Hospital	Jun. 15, 2012 HealthSouth Rehabilitation Hospital of Fayetteville	Aug. 21, 2012 Denham Springs	Sep. 28, 2012 Thornton
Significant Acquisitions and Disposals [Line Items]
General acute care hospitals acquired			2																											3		7		11	5
Acquisition costs						$ 4,179,000	$ 410,000	$ 6,457,000	$ 4,115,000																	$ 80,000,000	$ 30,000,000			$ 283,300,000
Improvement costs																														2,000,000
Initial leaseback term																														15 years
Maximum rent increase percent			2.00%					9.00%										2.00%	0.50%		2.00%	5.00%	2.00%		5.00%						2.50%
Lease renewal option				5 years																										5 years
Lease maturity year																														2019
Extended lease maturity year																														2028
Purchase price of acquisition			75,000,000																																	96,500,000		96,500,000													15,800,000	500,000
Term of lease	27 years		10 years					20 years					15 years																																						20 years
Term of lease extension, years		5 years	5 years					5 years					5 years
Number of lease extension options in current lease contract			2			3		3					3
Number of beds										26																380	140						369								40
Mortgage loan funded																																	100,000,000
Combined purchase price and investment amount																																										396,500,000
Number of states																																7
Aggregate purchase price								200,000,000
Loan secured by mortgage interest						100,000,000		100,000,000
Acquisition loan made																																				93,200,000		93,200,000
Capital contribution																																											3,300,000
Interest rate on acquisition loan																																						15.00%
Coupon payable in cash, year one																																												6.00%
Coupon payable in cash, year two																																												7.00%
Coupon payable in cash in, thereafter																																						10.00%
Agreement terms																																						Although there are provisions in the loan agreement that are expected to result in full payment of the 15% preference when funds are sufficient. Any of the 15% in excess of the minimum that is not paid may be accrued and paid upon the occurrence of a capital or liquidity event and is payable at maturity
Revenue from business acquisitions						2,900,000		3,300,000
Acquisition related costs						4,179,000	410,000	6,457,000	4,115,000																			1,600,000	1,600,000
Number of freestanding emergency room facility																																																											25
Estimated total development cost, funded						4,300,000																																																7,400,000		10,400,000			100,000,000				11,100,000
Estimated cost of the new facility								9,400,000																																													19,200,000		14,400,000					5,200,000	5,500,000	33,500,000
Facility partially occupied date															Jan. 23, 2013
Percentage of facility partially occupied															55.00%
Lease agreement															15 years
Cost incurred in new facility						8,400,000		8,400,000																												15,000,000		15,000,000			15,000,000
initial lease term				10 years																																20 years
Number of leased hospital												3
Business acquisition cost of acquired entity												30,000,000																																	30,000,000
Rent escalations percentage																				1.00%				3.00%
Number of properties completed													2	1
Sale of real estate																																																																18,500,000	16,000,000	5,200,000	17,400,000
Gain (loss) on sale of real estate																																																																2,100,000	(1,400,000)	300,000	8,400,000
Number of hospitals sold																																																																2
Increase in consumer price index				100.00%
Number of lease renewal options				2
Lease advance																																																									29,900,000
Operating leases rent, interest and other charges outstanding																																																									21,000,000
Interest receivables																																																									6,000,000
Impairment of working capital loan recognized																																																										12,000,000
Straight line rent receivables write-off																																																										2,500,000
Number of days past due	90 days																																																								90 days
Net investment to maximum exposure																																																									39,000,000
Impairment of working capital loan estimation-patient receivables considered for first priority secured interest																																																									4,000,000
Impairment of working capital loan estimation-cash balance considered for first priority secured interest																																																									100,000
Rent receivables						500,000		500,000
Letter of credit outstanding											1,200,000
Amount of convertible note converted into equity interest					1,700,000
Convertible note					5,000,000
Percentage of equity shares from convertible debt					9.90%	15.10%
Remaining convertible debt after conversion of part of debt						$ 3,300,000		$ 3,300,000
Percentage of entity revenue from affiliates																																				20.70%	21.10%	20.50%	18.40%							33.70%	28.70%	32.40%	26.00%
Percentage of total assets accounted																24.50%	20.40%																			17.40%				18.20%						26.70%				27.90%
Maximum percentage of entity's total assets invested on single property						5.00%		5.00%