Long-Term Incentive Compensation - Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands		6 Months Ended	12 Months Ended
	Jan. 02, 2014	Jun. 30, 2015	Dec. 31, 2014
Number of Stock Option Awards (in shares) [Roll Forward]:
Beginning balance		909,799
Granted		30,972
Exercises		0
Forfeitures/expirations		(307,761)
Ending balance		633,010	909,799
Weighted-Average Exercise Price (in dollars per share):
Beginning balance		$ 9.17
Granted	$ 10.25	8.25
Exercises		0.00
Forfeitures/expirations		10.09
Ending balance		$ 8.67	$ 9.17
Weighted-Average Remaining Contractual Term (in years):
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2		9 years 23 days	9 years 3 months 22 days
Granted		10 years
Forfeitures/expirations		8 years 133 days
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2		9 years 23 days	9 years 3 months 22 days
Intrinsic Value		$ 0	$ 408,757