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Commitments and Contingencies - Additional Information (Detail) $ in Thousands |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Apr. 15, 2014 USD ($) | Sep. 26, 2013 | Dec. 14, 2011 USD ($) | Dec. 31, 2010 USD ($) claim plaintiff | Dec. 04, 2014 USD ($)
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 |
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 | Maximum |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Jury imposed compensatory damages |  |  |  | $ 44 |
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

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