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Capitalization (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
0 Months Ended 12 Months Ended
Sep. 15, 2014
Aug. 01, 2014
Jun. 16, 2014
Apr. 11, 2014
Jan. 31, 2015
Feb. 01, 2014
Feb. 02, 2013
Capitalization              
Preferred stock, shares authorized         1,000,000us-gaap_PreferredStockSharesAuthorized 1,000,000us-gaap_PreferredStockSharesAuthorized  
Preferred stock, shares outstanding         0us-gaap_PreferredStockSharesOutstanding 0us-gaap_PreferredStockSharesOutstanding  
Dividends              
Dividends declared per common share (in dollars per share)   $ 0.05us-gaap_CommonStockDividendsPerShareDeclared   $ 0.05us-gaap_CommonStockDividendsPerShareDeclared $ 0.10us-gaap_CommonStockDividendsPerShareDeclared $ 0.30us-gaap_CommonStockDividendsPerShareDeclared $ 0.60us-gaap_CommonStockDividendsPerShareDeclared
Dividend declared (in dollars)   $ 421us-gaap_DividendsCommonStockCash   $ 420us-gaap_DividendsCommonStockCash      
Dividend paid (in dollars per share) $ 0.05us-gaap_CommonStockDividendsPerShareCashPaid   $ 0.05us-gaap_CommonStockDividendsPerShareCashPaid