Commitments and Contingencies - Additional Information (Detail) $ in Thousands					12 Months Ended
	Mar. 17, 2017 USD ($)	Apr. 15, 2014 USD ($)	Sep. 26, 2013	Dec. 14, 2011 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2010 USD ($) plaintiff claim	Feb. 19, 2016 USD ($) citation	Dec. 04, 2014 USD ($)
Loss Contingencies [Line Items]
Damages awarded	$ 100
Net settlement					$ 2,400
Number of citation, willful | citation							2
Number of citation, safety violation | citation							7
Total fines							$ 200
California Hawaiian
Loss Contingencies [Line Items]
Loss contingency accrual					9,900
Monte Del Lago
Loss Contingencies [Line Items]
Loss contingency accrual					1,500
Santiago Estates
Loss Contingencies [Line Items]
Loss contingency accrual					$ 1,900
City of Santee
Loss Contingencies [Line Items]
One-time rent increase			2.50%
Annual rent increase, percentage of CPI			100.00%
Rent increase upon turnover of site			10.00%
Annual rent increase, percentage of CPI, prior to settlement			70.00%
Colony Park
Loss Contingencies [Line Items]
Loss contingency damages sought by plaintiff						$ 6,800
Jury imposed compensatory damages, less than						$ 44
Number of claims settled | claim						6
Number of plaintiffs | plaintiff						72
Number of dismissed claims | plaintiff						66
Number of claims dismissed and not appealed | plaintiff						3
Colony Park | Attorney Fees
Loss Contingencies [Line Items]
Compensatory damages sought				$ 2,000
Compensatory Damages
Loss Contingencies [Line Items]
Damages awarded		$ 15,300
Damages sought but overturned								$ 15,300
Punitive Damages
Loss Contingencies [Line Items]
Damages awarded		$ 95,800
Damages sought but overturned								$ 95,800