Share-Based Compensation - Summary of Stock Options (Details) (USD $)	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning of period, shares	337,696	232,000
Granted, shares	0	107,863
Forfeited or expired, shares	0	0
Exercised, shares	0	0
Stock dividend or split, shares	0	0
Outstanding at end of period, shares	337,696	339,863
Exercisable at end of period, shares	230,732	197,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding at beginning of period, Weighted Average Exercise Price Per Share (in dollars per share)	$ 12.43	$ 14.50
Granted, Weighted Average Exercise Price Per Share (in dollars per share)	$ 0.00	$ 9.07
Forfeited or expired, Weighted Average Exercise Price per Share (in dollars per share)	$ 0.00	$ 0.00
Exercised, Weighted Average Exercise Price per Share (in dollars per share)	$ 0.00	$ 0.00
Stock dividend or split, Weighted Average Exercise Price per Share (in dollars per share)	$ 0.00	$ 0.00
Outstanding at end of period, Weighted Average Exercise Price per Share (in dollars per share)	$ 12.43	$ 12.78
Weighted Average Exercise Price per Share, Exercisable (in dollars per share)	$ 14.12	$ 16.12