Concentration of Risk - Additional Information (Detail) $ in Millions		6 Months Ended
Oct. 01, 2015 USD ($) renewal_option purchase-option facility	Jun. 30, 2017 USD ($) facility state unit bed
Concentration Risk [Line Items]
Number of living facilities \| unit		164
Description of highest concentration of properties		The four states in which Ensign leases the highest concentration of properties are California, Texas, Utah and Arizona.
Skilled Nursing, Assisted Living and Independent Living Facilities [Member] \| Assets Leased to Ensign [Member]
Concentration Risk [Line Items]
Number of living facilities		161
Number of units available in living facilities \| bed		15,894
Liberty Healthcare Portfolio [Member]
Concentration Risk [Line Items]
Number of facilities acquired	14
Acquisition consideration \| $	$ 176.5
Facilities subject to operating lease		16
Liberty Healthcare Portfolio [Member] \| Pristine Master Lease [Member]
Concentration Risk [Line Items]
Leases period	15 years
Leases renewal options \| renewal_option	2
Leases renewal term	5 years
Leases purchase options \| purchase-option	0
Annual lease revenue per master lease terms \| $		$ 18.6
Escalation factor for calculating revenues after year two		0.00%
Percentage change in the consumer price index		3.00%
Ensign [Member]
Concentration Risk [Line Items]
Number of states where Ensign leases the highest concentration of properties \| state		4
Ensign [Member] \| Skilled Nursing, Assisted Living and Independent Living Facilities [Member] \| Assets Leased to Ensign [Member]
Concentration Risk [Line Items]
Number of living facilities		92
Number of units available in living facilities \| bed		9,754

Number of states where the entity's major tenants lease the highest concentration of properties.

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- Definition

Lessor Leasing Arrangements, Operating Leases, Annual Lease Revenue Per Lease Terms

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Lessor Leasing Arrangements, Operating Leases, Escalation Factor, Minimum

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- Definition

Number Of Facilities In A Real Estate Acquisition

+ References

No definition available.

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- Definition

Number of licensed nursing center beds.

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- Definition

Number Of Purchase Options Under Lease

+ References

No definition available.

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- Definition

Number Of Renewal Options Under Lease

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- Definition

Description of risks that arise due to concentrations of operating facilities, revenues, assets, customers, vendors or the like in a certain geographic area, either domestic or foreign. The description may address risks inherent in the geographic area, and, at a minimum, informs users of the general nature of the risk, but excludes "Information about Geographic Areas" that may be disclosed elsewhere (for instance, segment disclosures)..

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6404-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6351-108592

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6327-108592

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Term of the lessor's leasing arrangement renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Term of the lessor's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The number of real estate properties owned as of the balance sheet date.

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- Definition

The percentage points added to the reference rate to compute the variable rate on the lessor's operating lease.

+ References

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- Definition

The cash outflow from the acquisition of a piece of land and anything permanently fixed to it, including buildings, structures on it and so forth, and payments to develop real estate assets by adding improvements on or to a parcel of land. Such improvements may include drainage, utilities, subdividing, access, buildings, and any combination of these elements. Including real estate intended to generate income for the owner; excluding real estate acquired for use by the owner.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

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The number of units (items of property) under operating lease arrangements.

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