Deferred Finance Costs - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items]
Amortization of deferred financing costs	$ 0	$ 0.8
Accumulated amortization associated with the Construction Loan	0	0.3
Net recognition as loss on extinguishment of debt	$ 0	$ 0.5