Schedule IV - Mortgage Loans on Real Estate Schedule IV - Mortgage Loans on Real Estate (Details Textual) - USD ($) $ in Thousands					1 Months Ended		12 Months Ended
		Oct. 29, 2014	May. 22, 2014	Mar. 28, 2014	May. 31, 2014	Sep. 30, 2013	Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2013	Mar. 31, 2014
Mortgage Loans on Real Estate [Line Items]
Mortgage Loans on Real Estate Principal Repayments and Reductions	[1]						$ 1,900		$ 5,605		$ 2,413
Facility acquired							186,400
Elimination of mortgage note receivable upon acquisition									$ (81,200)
Purchase Price							190,100
Cash Consideration	[2]						156,400
Missouri [Member] | Orthopedic Surgical Facility [Member]
Mortgage Loans on Real Estate [Line Items]
Facility acquired						$ 102,600
Elimination of mortgage note receivable upon acquisition						$ (97,200)
Iowa [Member] | Other Property [Member] | Other Mortgage Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Face Amount												$ 40,000
Interest Rate									7.70%
Incremental Interest Rate for Default									3.00%
Mortgage Loan on Real Estate Exit Fee									$ 1,500
Real estate acquisitions [Member]
Mortgage Loans on Real Estate [Line Items]
Facility acquired							183,500		206,500
Purchase Price							187,200		168,500
Cash Consideration							$ 153,500	[2]	69,900	[3]
Real estate acquisitions [Member] | Oklahoma [Member]
Mortgage Loans on Real Estate [Line Items]
Facility acquired		$ 17,900	$ 85,400
Purchase Price		17,500	85,400
Cash Consideration	[3]	$ 10,800	$ 4,100
Real estate acquisitions [Member] | Oklahoma [Member] | Construction Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Elimination of mortgage note receivable upon acquisition									$ (1,200)
Purchase Price					$ 85,400
Face Amount					81,200
Cash Consideration					$ 4,100
Real estate acquisitions [Member] | Iowa [Member]
Mortgage Loans on Real Estate [Line Items]
Facility acquired				$ 40,200
Incremental Interest Rate for Default				3.00%

[1] Principal repayments for the years ended December 31, 2015, 2014 and 2013 include unscheduled principal reductions on mortgage notes of $1.9 million, $5.6 million and $2.4 million, respectively.

[2] Cash consideration excludes prorations of revenue and expense due to/from seller at the time of the acquisition.

[3] Cash consideration excludes non-real estate assets acquired and liabilities assumed in the acquisitions.