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Equity-Based Compensation Plans (Schedule of Outstanding Restricted Stock) (Details) - 6 months ended Jun. 30, 2015 - Long-Term Restricted Stock [Member] - $ / shares
Total
Number of Units:  
Nonvested, beginning 45,219
Granted during the period 59,711
Vested during the period  
Forfeited or expired during the period  
Nonvested, ending 104,930
Weighted-Average Grant Date Fair Value:  
Nonvested, beginning $ 10.68
Granted during the period $ 17.31
Vested during the period  
Forfeited or expired during the period  
Nonvested, ending $ 14.45