Prepaid Expenses and Other - Additional Information (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Increase (Decrease) in prepaid repairs and maintenance	$ 0.2
Increase (Decrease) in Prepaid Commissions	$ 0.2