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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Stockholder's equity:    
Preferred stock, par value (in dollars per share) $ 0.01us-gaap_PreferredStockParOrStatedValuePerShare $ 0.01us-gaap_PreferredStockParOrStatedValuePerShare
Preferred stock, shares authorized (in shares) 2,000,000us-gaap_PreferredStockSharesAuthorized 2,000,000us-gaap_PreferredStockSharesAuthorized
Common stock, par value (in dollars per share) $ 0.01us-gaap_CommonStockParOrStatedValuePerShare $ 0.01us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized (in shares) 30,000,000us-gaap_CommonStockSharesAuthorized 30,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued (in shares) 19,486,770us-gaap_CommonStockSharesIssued 19,486,770us-gaap_CommonStockSharesIssued
Treasury stock, shares acquired (in shares) 1,598,911us-gaap_TreasuryStockShares 1,598,911us-gaap_TreasuryStockShares
Common Stock, Shares, Outstanding 17,887,859us-gaap_CommonStockSharesOutstanding 17,887,859us-gaap_CommonStockSharesOutstanding