Subsequent Events Subsequent Events (Details)			12 Months Ended
	Feb. 05, 2016 property	Feb. 01, 2016 USD ($) renewal_option unit facility bed	Dec. 31, 2015 USD ($) property	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Feb. 04, 2016	Dec. 31, 2015 facility
Subsequent Event [Line Items]
Repayment of mortgage notes payable			$ 3,183,000	$ 68,155,000	$ 3,457,000
Skilled Nursing, Assisted Living and Independent Living Facilities [Member] | Assets Leased to Ensign [Member]
Subsequent Event [Line Items]
Number of living facilities | facility							119
Skilled Nursing, Assisted Living and Independent Living Facilities [Member] | Ensign [Member] | Assets Leased to Ensign [Member]
Subsequent Event [Line Items]
Number of living facilities			94				94
Subsequent Event [Member] | Trillium Healthcare Group, LLC [Member]
Subsequent Event [Line Items]
Number of facilities acquired | facility		9
Number of beds in a facility | bed		518
Acquisition consideration		$ 32,700,000
Anticipated annual lease revenues		$ 3,200,000
Leases period		15 years
Leases renewal options | renewal_option		2
Leases renewal term		5 years
Subsequent Event [Member] | New Haven of San Angelo [Member]
Subsequent Event [Line Items]
Acquisition consideration		$ 4,900,000
Anticipated annual lease revenues		$ 400,000
Leases period		12 years 6 months
Leases renewal options | renewal_option		2
Leases renewal term		5 years
Number of units available in living facilities | unit		30
Number of potential units after future expansions | unit		60
Subsequent Event [Member] | Skilled Nursing, Assisted Living and Independent Living Facilities [Member] | Ensign [Member] | Assets Leased to Ensign [Member]
Subsequent Event [Line Items]
Number of living facilities to close and decertify | property	1
Subsequent Event [Member] | Skilled Nursing, Assisted Living and Independent Living Facilities [Member] | Ensign [Member] | Assets Leased to Ensign [Member] | Master Lease No. 2 [Member]
Subsequent Event [Line Items]
Leases period	5 years
Percent of lease to paid paid by affiliate	100.00%
Lease coverage ratio	2.03					2.10
Subsequent Event [Member] | Skilled Nursing, Assisted Living and Independent Living Facilities [Member] | Ensign [Member] | Assets Leased to Ensign [Member] | Ensign Master Leases [Member]
Subsequent Event [Line Items]
Lease coverage ratio	2.06					2.07
Subsequent Event [Member] | Mortgage notes payable
Subsequent Event [Line Items]
Repayment of mortgage notes payable		$ 95,000,000
Subsequent Event [Member] | Revolving Credit Facility as Amended [Member] | Line of Credit [Member]
Subsequent Event [Line Items]
Line of credit facility, increase to borrowing capacity		100,000,000.0
Line of credit facility, borrowing capacity		400,000,000.0
Increase to uncommitted incremental facility		50,000,000.0
Uncommitted incremental facility, borrowing capacity		$ 250,000,000.0
Subsequent Event [Member] | Revolving Credit Facility as Amended [Member] | Line of Credit [Member] | Base Rate [Member] | Minimum [Member]
Subsequent Event [Line Items]
Debt instrument, basis spread		0.95%
Subsequent Event [Member] | Revolving Credit Facility as Amended [Member] | Line of Credit [Member] | Base Rate [Member] | Maximum [Member]
Subsequent Event [Line Items]
Debt instrument, basis spread		1.60%
Subsequent Event [Member] | Revolving Credit Facility as Amended [Member] | Line of Credit [Member] | LIBOR [Member] | Minimum [Member]
Subsequent Event [Line Items]
Debt instrument, basis spread		1.95%
Subsequent Event [Member] | Revolving Credit Facility as Amended [Member] | Line of Credit [Member] | LIBOR [Member] | Maximum [Member]
Subsequent Event [Line Items]
Debt instrument, basis spread		2.60%
Subsequent Event [Member] | Term Loan [Member] | Line of Credit [Member]
Subsequent Event [Line Items]
Line of credit facility, borrowing capacity		$ 100,000,000.0
Prepayment premium in first year after issuance		2.00%
Prepayment premium in second year after issuance		1.00%