Real Estate Investments, Net - Additional Information (Detail) $ in Thousands		1 Months Ended						12 Months Ended
	Oct. 01, 2015 USD ($) renewal_option facility	Sep. 30, 2015 USD ($)	Aug. 31, 2015 USD ($)	Jul. 31, 2015 USD ($) renewal_option	Jun. 30, 2015 USD ($)	Apr. 30, 2015 USD ($) renewal_option	Jan. 31, 2015 USD ($) renewal_option	Dec. 31, 2015 USD ($) facility	Dec. 31, 2013 USD ($)
Investment [Line Items]
Net proceeds from common stock offering			$ 163,000					$ 162,963	$ 0
Bethany Rehabilitation Center [Member]
Investment [Line Items]
Acquisition consideration							$ 18,100
Acquisition costs capitalized							$ 100
Leases period							15 years
Leases renewal options | renewal_option							2
Leases renewal term							5 years
Anticipated annual lease revenues							$ 1,700
Mira Vista Care Center [Member]
Investment [Line Items]
Acquisition consideration						$ 9,300
Acquisition costs capitalized						$ 200
Leases period						15 years
Leases renewal options | renewal_option						2
Leases renewal term						5 years
Anticipated annual lease revenues						$ 900
Shoreline Health And Rehabilitation Center [Member]
Investment [Line Items]
Acquisition consideration					$ 6,800
Acquisition costs capitalized					200
Anticipated annual lease revenues					$ 700
Bristol Court Assisted Living [Member]
Investment [Line Items]
Acquisition consideration				$ 8,500
Acquisition costs capitalized				$ 72
Leases period				15 years
Leases renewal options | renewal_option				2
Leases renewal term				5 years
Anticipated annual lease revenues				$ 700
Shamrock Nursing and Rehabilitation Center [Member]
Investment [Line Items]
Acquisition consideration				8,300
Acquisition costs capitalized				$ 49
Leases period				15 years
Leases renewal options | renewal_option				2
Leases renewal term				5 years
Anticipated annual lease revenues				$ 800
Asbury Place Assisted Living [Member]
Investment [Line Items]
Acquisition consideration		$ 5,400
Acquisition costs capitalized		49
Anticipated annual lease revenues		$ 500
Liberty Healthcare Portfolio [Member]
Investment [Line Items]
Acquisition consideration	$ 176,500
Leases period	15 years
Leases renewal options | renewal_option	2
Leases renewal term	5 years
Anticipated annual lease revenues	$ 17,000
Number of facilities acquired | facility	14
Ensign Master Leases [Member]
Investment [Line Items]
Number of facilities not leased | facility								25
Annual revenues from Master Leases during first year								$ 56,000
Lease term for fixed contractual annual revenues								2 years
Escalation factor for calculating revenues after year two								0.00%
Percentage change in the consumer price index								2.50%