Acquisitions and Investments (Details) (USD $)	3 Months Ended	6 Months Ended												0 Months Ended										3 Months Ended	6 Months Ended	3 Months Ended	0 Months Ended
	Jun. 30, 2014	Jun. 30, 2014 item state	Jun. 30, 2013	Jun. 30, 2014 1ST Quarter	Jun. 30, 2014 2nd Quarter	Jun. 30, 2014 In-place leases	Jun. 30, 2014 In-place leases 1ST Quarter	Jun. 30, 2014 In-place leases 2nd Quarter	Jun. 30, 2014 Above market in-place leases	Jun. 30, 2014 Above market in-place leases 1ST Quarter	Jun. 30, 2014 Above market in-place leases 2nd Quarter	Jun. 30, 2014 Below market in-place lease	Jun. 30, 2014 Below market in-place lease 2nd Quarter	Apr. 22, 2014 Carlisle & Wormleyburg, PA Medical	Apr. 30, 2014 South Bend, IN Medical	Apr. 30, 2014 Grenada, MS Medical	May 23, 2014 Jackson, MS Medical		May 28, 2014 Carmel, IN Medical		Jun. 30, 2014 Bloomington, IN Medical	Jun. 30, 2014 Oshkosh, WI Surgical Center	Jun. 30, 2014 Monroe, NC Medical	Jun. 30, 2014 2014 acquisitions	Jun. 30, 2014 2014 acquisitions	Jun. 30, 2014 2014 acquisitions Operating Partnership Units	Feb. 28, 2014 San Antonio, TX Medical	Feb. 19, 2014 San Antonio, TX Surgical Hospital	Feb. 28, 2014 Atlanta, GA Medical	Feb. 19, 2014 Atlanta, GA Medical	Feb. 26, 2014 Sarasota, FL Medical	Mar. 28, 2014 Fort Worth, TX LTACH	Mar. 28, 2014 Pittsburgh, PA LTACH
Acquisitions and investments
Number of operating healthcare properties		22
Number of states in which operating healthcare properties and land parcel located		8
Purchase price		$ 221,000,000												$ 9,208,000	$ 14,900,000	$ 7,100,000	$ 16,700,000	[1]	$ 4,664,000	[1]	$ 4,783,000	$ 8,500,000	$ 7,750,000	$ 21,400,000			$ 6,800,000	$ 25,556,000	$ 36,726,000	$ 20,800,000	$ 17,486,000	$ 27,160,000	$ 12,840,000
Acquisition costs expensed	2,045,000	6,332,000	4,300,000
Acquisition costs capitalized		800,000	400,000
Acquisition date fair values of the assets acquired and the liabilities assumed
Land	25,606,000	25,606,000		18,331,000	7,275,000
Building and improvements	178,873,000	178,873,000		121,472,000	57,401,000
Intangible assets						14,646,000	7,585,000	7,061,000	1,356,000	891,000	465,000	(133,000)	(133,000)
Investment in unconsolidated entity	1,300,000	1,300,000		1,300,000
Issuance of OP units	(3,135,000)	(3,135,000)			(3,135,000)
Mortgage debt assumed	(10,395,000)	(10,395,000)		(10,800,000)	405,000
Lease inducement	1,500,000	1,500,000			1,500,000
Net assets acquired	209,618,000	209,618,000		138,779,000	70,839,000
Number of units issued for funding purchase price																										243,758
Value of units issued for funding purchase price																										3,100,000
Revenue	12,439,000	24,978,000																						4,900,000	6,000,000
Net income	$ 1,868,000	$ 3,864,000																						$ 1,700,000	$ 1,800,000

[1] The Operating Partnership partially funded the purchase price by issuing 243,758 OP Units valued at approximately $3.1 million on the date of issuance