Annual report pursuant to Section 13 and 15(d)

Mortgage Notes Payable and Line of Credit - Summary of Long-Term Mortgages (Parenthetical) (Detail)

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Mortgage Notes Payable and Line of Credit - Summary of Long-Term Mortgages (Parenthetical) (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Nov. 10, 2015
Jul. 01, 2015
Jun. 29, 2015
Maturity Date Five [Member] | Synovus Bank [Member]        
Debt Instrument [Line Items]        
Debt Instrument repayment date Jul. 01, 2022      
Variable Rate Mortgage Loans [Member]        
Debt Instrument [Line Items]        
Debt instrument balloon payment to be paid   $ 3.9 $ 11.3 $ 19.1