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Equity (Details) - USD ($)
shares in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2015
Jul. 01, 2015
Equity, Class of Treasury Stock [Line Items]      
Stock repurchased during period, value   $ 1,748,000  
Common Stock [Member]      
Equity, Class of Treasury Stock [Line Items]      
Stock repurchase program, authorized amount     $ 25,000,000.0
Repurchase of common stock (in shares) 0.1    
Stock repurchased during period, value $ 1,700,000