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Mezzanine Equity (Tables)
 12 Months Ended
Dec. 31, 2014
Temporary Equity [Abstract]  
Schedule of Carrying Value of Preferred Shares
The following table summarizes the activity in mezzanine equity since issuance of the Preferred Shares:
Initial issuance price on December 27, 2012
$
162,000

Discount for beneficial conversion feature
(8,688
)
Accretion of BCF discount (Deemed dividend)
60

Carrying value at December 31, 2012
153,372

Conversion of 100,000 Preferred Shares
(100,000
)
Accretion of BCF discount (Deemed dividend) (1)
6,989

Carrying value at December 31, 2013
60,361

Conversion of 62,000 Preferred Shares
(62,000
)
Accretion of BCF discount (Deemed dividend) (1)
1,639

Carrying value at December 31, 2014
$
—

(1)
Accretion includes $0.8 million and $3.5 million accelerated write-off of the unamortized discount related to the conversion of Preferred Shares during 2014 and 2013, respectively.