Remaining Renewal Options and Terms for Hospital Facilities Leased from Trust (Parenthetical) (Detail) - RenewalOption	1 Months Ended	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2016
McAllen Medical Center
Property Subject to or Available for Operating Lease [Line Items]
Number of renewal options at existing lease rates		2
Renewal options term at existing lease rates	5 years	5 years
McAllen Medical Center | Maximum
Property Subject to or Available for Operating Lease [Line Items]
Renewal options at existing lease rates expiration year		2031
Wellington Regional Medical Center
Property Subject to or Available for Operating Lease [Line Items]
Number of renewal options at fair market lease rates		2
Renewal options term at fair market lease rates	5 years	5 years
Wellington Regional Medical Center | Maximum
Property Subject to or Available for Operating Lease [Line Items]
Renewal options at fair market value lease rates expiration year		2031
Wellington Regional Medical Center | Minimum
Property Subject to or Available for Operating Lease [Line Items]
Renewal options at fair market value lease rates expiration year		2022
Southwest Healthcare System, Inland Valley Campus
Property Subject to or Available for Operating Lease [Line Items]
Number of renewal options at fair market lease rates		2
Renewal options term at fair market lease rates	5 years	5 years
Southwest Healthcare System, Inland Valley Campus | Maximum
Property Subject to or Available for Operating Lease [Line Items]
Renewal options at fair market value lease rates expiration year		2031
Southwest Healthcare System, Inland Valley Campus | Minimum
Property Subject to or Available for Operating Lease [Line Items]
Renewal options at fair market value lease rates expiration year		2022