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
6 Months Ended
Jun. 30, 2017
USD ($)
property
Dec. 31, 2016
USD ($)
Debt Instrument [Line Items]    
Encumbered properties | property 90  
Total $ 484,781 $ 509,395
Revolving credit facility    
Debt Instrument [Line Items]    
Encumbered properties | property 24  
Total $ 37,478 39,225
Fixed rate mortgage loans    
Debt Instrument [Line Items]    
Encumbered properties | property 47  
Carrying value $ 357,997 378,477
Variable rate mortgage loans    
Debt Instrument [Line Items]    
Encumbered properties | property 19  
Carrying value $ 69,493 71,707
Variable rate mortgage loans | LIBOR    
Debt Instrument [Line Items]    
Spread on LIBOR (as percent) 2.15%  
Total mortgage notes payable, net    
Debt Instrument [Line Items]    
Encumbered properties | property 66  
Carrying value $ 427,490  
Premiums and discounts (net) (242) 217
Deferred financing costs, net (4,850) (5,123)
Total $ 422,398 445,278
Variable rate revolving credit facility | Revolving credit facility    
Debt Instrument [Line Items]    
Encumbered properties | property 24  
Carrying value $ 37,800 39,700
Deferred financing costs, net $ (322) (475)
Scheduled maturity dates Aug. 07, 2018  
Variable rate revolving credit facility | Revolving credit facility | LIBOR    
Debt Instrument [Line Items]    
Spread on LIBOR (as percent) 2.25%  
Variable rate term loan facility    
Debt Instrument [Line Items]    
Carrying value $ 25,000 25,000
Scheduled maturity dates Oct. 05, 2020  
Variable rate term loan facility | LIBOR    
Debt Instrument [Line Items]    
Spread on LIBOR (as percent) 2.20%  
Total term loan, net    
Debt Instrument [Line Items]    
Deferred financing costs, net $ (95) (108)
Total $ 24,905 $ 24,892