Quarterly report pursuant to Section 13 or 15(d)

EARNINGS PER SHARE - Basic and Diluted Earnings per Share (Details)

v2.4.1.9
EARNINGS PER SHARE - Basic and Diluted Earnings per Share (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Earnings Per Share [Abstract]    
Net loss $ (2,771)us-gaap_ProfitLoss $ (2,803)us-gaap_ProfitLoss
Less net loss attributable to noncontrolling interests 2,771us-gaap_NetIncomeLossAttributableToNoncontrollingInterest 2,803us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Net income (loss) attributable to National Storage Affiliates Trust $ 0us-gaap_NetIncomeLoss $ 0us-gaap_NetIncomeLoss
Weighted average shares outstanding (basic and diluted) (in shares) 1,000us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted 1,000us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted
Earnings (loss) per share (basic and diluted) (in dollars per share) $ 0.00us-gaap_EarningsPerShareBasicAndDiluted $ 0.00us-gaap_EarningsPerShareBasicAndDiluted