Quarterly report pursuant to Section 13 or 15(d)

Mortgage Notes Payable and Line of Credit - Schedule of Principal Payments of Mortgage Notes Payable (Parenthetical) (Detail)

v3.2.0.727
Mortgage Notes Payable and Line of Credit - Schedule of Principal Payments of Mortgage Notes Payable (Parenthetical) (Detail) - USD ($)
6 Months Ended
Jul. 01, 2015
Jun. 30, 2015
Jun. 30, 2014
Debt Instrument [Line Items]      
Refinance of principal payment maturity period, description   This figure includes two balloon principal payments that mature in the second half of 2015. We refinanced one of these mortgages subsequent to June 30, 2015, using a combination of new mortgage debt and equity, repaying $11.3 million of principal.  
Principal repayments on mortgage notes payable   $ 23,625,000 $ 4,182,000
Mortgage Notes Payable [Member]      
Debt Instrument [Line Items]      
Premiums and discounts, net   $ 553,000  
Mortgage Notes Payable [Member] | Subsequent Event [Member]      
Debt Instrument [Line Items]      
Principal repayments on mortgage notes payable $ 11,300,000