Quarterly report pursuant to Section 13 or 15(d)

Dividends - Additional Information (Details)

v2.4.1.9
Dividends - Additional Information (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Equity [Abstract]    
Dividends $ 0us-gaap_DividendsPayableAmountPerShare  
Paid cash dividends, per share $ 0us-gaap_CommonStockDividendsPerShareCashPaid $ 0.10us-gaap_CommonStockDividendsPerShareCashPaid