Schedule IV - Schedule of Mortgage Loan on Real Estate (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014
Mortgage Loans on Real Estate [Line Items]
Prior Liens	0
Face Amount of Mortgages	397,500
Carrying Amount of Mortgages	397,500
Principal Amount of Loans Subject to Delinquent Principal or Interest	0
Long-Term First Mortgage Loan [Member]
Mortgage Loans on Real Estate [Line Items]
Periodic Payment Terms	Payable in monthly installments of interest plus principal payable in full at maturity
Long-Term First Mortgage Loan [Member] \| Ernest Mortgage Loan [Member]
Mortgage Loans on Real Estate [Line Items]
Interest rate	9.40%
Final Maturity Date	2032
Prior Liens	0
Face Amount of Mortgages	100,000
Carrying Amount of Mortgages	100,000
Principal Amount of Loans Subject to Delinquent Principal or Interest	0
Long-Term First Mortgage Loan [Member] \| Desert Valley Hospital [Member]
Mortgage Loans on Real Estate [Line Items]
Interest rate	10.90%
Final Maturity Date	2022
Prior Liens	0
Face Amount of Mortgages	70,000
Carrying Amount of Mortgages	70,000
Principal Amount of Loans Subject to Delinquent Principal or Interest	0
Long-Term First Mortgage Loan [Member] \| Desert Valley Hospital [Member]
Mortgage Loans on Real Estate [Line Items]
Interest rate	11.50%
Final Maturity Date	2022
Prior Liens	0
Face Amount of Mortgages	20,000
Carrying Amount of Mortgages	20,000
Principal Amount of Loans Subject to Delinquent Principal or Interest	0
Long-Term First Mortgage Loan [Member] \| Desert Valley Hospital [Member]
Mortgage Loans on Real Estate [Line Items]
Interest rate	11.50%
Final Maturity Date	2015
Prior Liens	0
Face Amount of Mortgages	12,500
Carrying Amount of Mortgages	12,500
Principal Amount of Loans Subject to Delinquent Principal or Interest	0
Long-Term First Mortgage Loan [Member] \| Chino Valley Medical Center [Member]
Mortgage Loans on Real Estate [Line Items]
Interest rate	10.90%
Final Maturity Date	2022
Prior Liens	0
Face Amount of Mortgages	50,000
Carrying Amount of Mortgages	50,000
Principal Amount of Loans Subject to Delinquent Principal or Interest	0
Long-Term First Mortgage Loan [Member] \| Paradise Valley Hospital [Member]
Mortgage Loans on Real Estate [Line Items]
Interest rate	10.40%
Final Maturity Date	2022
Prior Liens	0
Face Amount of Mortgages	25,000
Carrying Amount of Mortgages	25,000
Principal Amount of Loans Subject to Delinquent Principal or Interest	0
Long-Term First Mortgage Loan [Member] \| Centinela Hospital Medical Center [Member]
Mortgage Loans on Real Estate [Line Items]
Interest rate	10.80%
Final Maturity Date	2022
Prior Liens	0
Face Amount of Mortgages	100,000
Carrying Amount of Mortgages	100,000
Principal Amount of Loans Subject to Delinquent Principal or Interest	0
Long-Term First Mortgage Loan [Member] \| Olympia Medical Center [Member]
Mortgage Loans on Real Estate [Line Items]
Interest rate	11.00%
Final Maturity Date	2024
Prior Liens	0
Face Amount of Mortgages	20,000
Carrying Amount of Mortgages	20,000
Principal Amount of Loans Subject to Delinquent Principal or Interest	0

Mortgage Loan on Real Estate, Final Maturity Year

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- Definition

The carrying amount of the outstanding balance due under the mortgage loan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 10

-Section S99

-Paragraph 6

-Subparagraph (SX 210.5-04.(c) Schedule IV)

-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 29

-Article 12

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph c

-Subparagraph Schedule IV

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 948

-SubTopic 310

-Section S99

-Paragraph 1

-Subparagraph (SX 210.12-29)

-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

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- Definition

Amount of the contractual principal due at the origination of the mortgage loan (face amount).

+ References

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- Definition

The stated interest rate on the mortgage loan receivable or the weighted average interest rate on a group of loans.

+ References

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- Definition

Description of the contractual payment terms of the loan receivable including whether principal and interest is payable at a level or varying amount over the life of the loan, the amount of any balloon payment required at maturity, and any prepayment penalties.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 10

-Section S99

-Paragraph 6

-Subparagraph (SX 210.5-04.(c) Schedule IV)

-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 29

-Article 12

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph c

-Subparagraph Schedule IV

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 948

-SubTopic 310

-Section S99

-Paragraph 1

-Subparagraph (SX 210.12-29.5)

-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

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- Definition

Amount of principal due on loans that have been delinquent, which may exclude loans having interest delinquent for three months or less, as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 10

-Section S99

-Paragraph 6

-Subparagraph (SX 210.5-04.(c) Schedule IV)

-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 29

-Article 12

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph c

-Subparagraph Schedule IV

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 948

-SubTopic 310

-Section S99

-Paragraph 1

-Subparagraph (SX 210.12-29.10(a))

-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

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- Definition

Amount of prior lien on the real estate that secures the mortgage loan.

+ References

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