Commitments And Contingencies (Details) (USD $)	12 Months Ended							12 Months Ended			1 Months Ended					3 Months Ended							12 Months Ended		12 Months Ended
	Dec. 31, 2012 properties beds_or_units	Dec. 31, 2011	Dec. 31, 2010	May 31, 2011 Acquisition Selah Management Group [Member] properties	Dec. 31, 2012 Disposal [Member]	Aug. 31, 2011 Disposal [Member]	Jan. 31, 2011 Disposal [Member]	Dec. 31, 2012 Acquisition Bickford Senior Living [Member] properties	Oct. 02, 2012 Acquisition Bickford Senior Living [Member]	Sep. 29, 2012 Acquisition Bickford Senior Living [Member] properties	Mar. 31, 2010 Acquisition Helix Healthcare [Member]	Jun. 11, 2012 Acquisition Legend Healthcare [Member] beds_or_units	Oct. 31, 2011 Acquisition Legend Healthcare [Member] properties	Oct. 02, 2012 Acquisition Polaris Hospital Company [Member]	Sep. 30, 2011 Acquisition Polaris Hospital Company [Member] beds_or_units	Mar. 31, 2012 Bickford Commitment [Member]	Dec. 31, 2012 Bickford Commitment [Member] properties	Mar. 31, 2012 Kentucky River Commitment [Member]	Oct. 31, 2011 Contingent Payment [Member] Acquisition Legend Healthcare [Member]	Apr. 12, 2012 Capital Funding Group [Member]	Dec. 31, 2012 Construction Loans [Member]	Mar. 31, 2011 Construction Loans [Member] beds_or_units	Dec. 31, 2012 Legend Healthcare [Member]	Jun. 30, 2011 Legend Healthcare [Member] Disposal [Member] properties	Dec. 31, 2012 Bickford Senior Living [Member]	Sep. 29, 2012 Bickford Senior Living [Member] properties	Mar. 31, 2012 Kentucky River [Member]
Number of Real Estate Properties To Be Constructed																	3
Maximum Commitment For All Active Development Projects																	$ 27,000,000								$ 27,000,000
Construction and Development Costs																									4,016,000
Construction Commitment Period in Years																		2
Number of years in initial lease term				15								15	15		15											5
Lease Extension Period in Years																											10
Initial lease rate				8.50%					9.00%			9.00%	9.00%	10.00%			9.00%
Loans and Leases Receivable, Commitments, Fixed Rates																3,000,000
Loans and Leases Receivable, Net Amount	84,250,000	78,672,000																		15,000,000					36,000
Significant acquisitions and disposals, acquisition costs or sale proceeds				15,000,000	23,000,000	3,200,000	4,500,000			52,667,000	12,500,000		55,278,000						5,478,000
Cash Paid In Settlement Of Contingent Purchase Consideration Liability								2,922,000															2,222,000
Business Acquisition, Contingent Consideration, Potential Cash Payment	3,256,000	5,478,000											5,478,000										3,256,000
Conditional future payments related to purchase/leaseback transaction											1,000,000
Expected Construction Commencement Year																		2013
Number of additional lease renewal options																											1
Lease Renewal Period In Years																											5
Number of Real Estate Properties	107			4				2		2			4											2		10
Loans and Leases Receivable, Description																3
Construction loan commitment	13,870,000																					13,870,000
Supplemental Construction Loan Commitment Draw	2,000,000																				2,000,000
Tax Adjustments, Settlements, and Unusual Provisions	180,000
Loan Funding Committment																				15,000,000
Loan Term																				3	5
Note Receivable Interest Rate																				13.50%	10.00%
Operating Leases, Income Statement, Lease Revenue	85,115,000	76,078,000	70,917,000
Significant development and lease transactions															21,500,000			8,000,000
Construction of transitional rehabilitation center, number of beds	70																					70
Number of beds in real estate property												125			60
Real Estate Investment Property, at Cost	698,536,000	541,493,000
Construction in Progress, Gross	2,673,000	4,983,000
Number of Development Projects per Year																	3
Loss Contingency, Settlement Agreement, Consideration	$ 0