Share-Based Compensation - Summary of the Status of Restricted Shares (Details) (Restricted stock [Member], USD $)	9 Months Ended
	Sep. 30, 2014
Restricted stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Nonvested Shares, beginning balance (in shares)	83,355
Nonvested Shares, Granted (in shares)	0
Nonvested Shares, Vested (in shares)	(44,803)
Nonvested Shares, Forfeited or expired (in shares)	0
Nonvested Shares, ending balance (in shares)	38,552
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Weighted Average Exercise Price per Share, Beginning balance (in dollars per share)	$ 5.86
Weighted Average Exercise Price per Share, Granted (in dollars per share)	$ 0.00
Weighted Average Exercise Price per Share, Vested (in dollars per share)	$ 5.35
Weighted Average Exercise Price per Share, Forfeited or expired (in dollars per share)	$ 0.00
Weighted Average Exercise Price per Share, Ending balance (in dollars per share)	$ 6.45