NSA PREDECESSOR CONTRIBUTIONS (Tables)
 12 Months Ended
Dec. 31, 2015
Business Combinations [Abstract]  
Schedule of assets and liabilities assumed from NSA Predecessor
Presented below is a summary of the financial position of NSA Predecessor as of April 1, 2013, and a reconciliation to the assets acquired and the liabilities assumed in exchange for the OP units issued to NSA Predecessor effective April 1, 2013 (in thousands):
 
Total Predecessor
 
Exclusions
 
Contributions to NSA
Assets acquired:
 
 
 
 
 
Self storage properties, net
$
171,537

 
$
(12,028
)
 
$
159,509

Cash and cash equivalents
3,528

 
(59
)
 
3,469

Restricted cash
2,567

 
—

 
2,567

Debt issuance costs, net
816

 
—

 
816

Other assets, net
910

 
(115
)
 
795

Total assets acquired
179,358

 
(12,202
)
 
167,156

Liabilities assumed:
 
 
 
 
 
Debt financing
(188,402
)
 
1,633

 
(186,769
)
Accounts payable and accrued liabilities
(3,021
)
 
101

 
(2,920
)
Deferred revenue
(1,339
)
 
97

 
(1,242
)
Predecessor deficit
$
(13,404
)
 
$
(10,371
)
 
$
(23,775
)