Quarterly report pursuant to Section 13 or 15(d)

Equity - Summary of Non-Vested Shares of Restricted Common Stock (Detail)

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Equity - Summary of Non-Vested Shares of Restricted Common Stock (Detail) (Restricted Incentive [Member], USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Restricted Incentive [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Beginning Balance, Restricted Shares of Common Stock 598,815
Granted, Restricted Shares of Common Stock 7,000
Vested, Restricted Shares of Common Stock   
Forfeited, Restricted Shares of Common Stock   
Ending Balance, Restricted Shares of Common Stock 605,815
Beginning Balance, Fair Value of Restricted Shares of Common Stock $ 7,484
Granted, Fair Value of Restricted Shares of Common Stock 101
Vested, Fair Value of Restricted Shares of Common Stock   
Forfeited, Fair Value of Restricted Shares of Common Stock   
Ending Balance, Fair Value of Restricted Shares of Common Stock $ 7,585