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Equity Compensation (Schedule of Equity Compensation Restricted Stock Activity) (Details) (Restricted Stock, USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Restricted Stock
   
Equity Compensation Arrangement by Share-based Payment Award [Abstract]    
Number of Restricted Shares Nonvested at beginning of period 643us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RestrictedStockMember
 
Number of restricted shares granted 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RestrictedStockMember
0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RestrictedStockMember
Number of Restricted Shares vested 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RestrictedStockMember
0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RestrictedStockMember
Number of Restricted Shares forfeited 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RestrictedStockMember
 
Number of Restricted Shares Nonvested at end of period 643us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RestrictedStockMember
 
Weighted Average Grant Date Fair Value Nonvested at beginning of period $ 22.92us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RestrictedStockMember
 
Weighted Average Grant Date Fair Value Shares granted $ 0.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RestrictedStockMember
 
Weighted Average Grant Date Fair Value Shares vested $ 0.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RestrictedStockMember
 
Weighted Average Grant Date Fair Value Shares forfeited $ 0.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RestrictedStockMember
 
Weighted Average Grant Date Fair Value Nonvested at end of period $ 22.92us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RestrictedStockMember