Quarterly report pursuant to Section 13 or 15(d)

Mortgage Notes Payable and Credit Facility - Company's Mortgage Notes Payable and Line of Credit (Detail)

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Mortgage Notes Payable and Credit Facility - Company's Mortgage Notes Payable and Line of Credit (Detail)
$ in Thousands
3 Months Ended
Oct. 27, 2017
Mar. 31, 2018
USD ($)
property
Dec. 31, 2017
USD ($)
Debt Instrument [Line Items]      
Encumbered properties | property   98  
Total   $ 544,328 $ 542,627
LIBOR      
Debt Instrument [Line Items]      
Spread on LIBOR (as percent) 2.75%    
Revolving credit facility      
Debt Instrument [Line Items]      
Encumbered properties | property   32  
Total   $ 32,065 20,715
Fixed rate mortgage loans      
Debt Instrument [Line Items]      
Encumbered properties | property   48  
Carrying value   $ 380,691 383,189
Variable rate mortgage loans      
Debt Instrument [Line Items]      
Encumbered properties | property   18  
Carrying value   $ 62,088 69,302
Variable rate mortgage loans | LIBOR      
Debt Instrument [Line Items]      
Spread on LIBOR (as percent)   2.25%  
Mortgage notes payable      
Debt Instrument [Line Items]      
Encumbered properties | property   66  
Carrying value   $ 442,779  
Premiums and discounts (net)   (351) (281)
Deferred financing costs, net   (4,721) (4,830)
Total   $ 437,707 447,380
Variable rate revolving credit facility | Revolving credit facility      
Debt Instrument [Line Items]      
Encumbered properties | property   32  
Carrying value   $ 32,700 21,400
Deferred financing costs, net   $ (635) (685)
Scheduled maturity dates   Oct. 27, 2021  
Variable rate revolving credit facility | Revolving credit facility | LIBOR      
Debt Instrument [Line Items]      
Spread on LIBOR (as percent)   1.75%  
Variable rate term loan facility      
Debt Instrument [Line Items]      
Carrying value   $ 75,000 75,000
Scheduled maturity dates   Oct. 27, 2022  
Variable rate term loan facility | LIBOR      
Debt Instrument [Line Items]      
Spread on LIBOR (as percent)   1.70%  
Total term loan, net      
Debt Instrument [Line Items]      
Deferred financing costs, net   $ (444) (468)
Total   $ 74,556 $ 74,532