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Subsequent Events (Notes)	12 Months Ended
Subsequent Events (Notes)	Dec. 31, 2018
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events In February 2019, upon approval of the Board of Directors, the Company entered into non-binding term sheets with financial institutions to refinance its outstanding debt. The Company intends to modify its debt structure to include a term loan instrument as well as an asset-backed facility with both containing first or second liens on a significant portion of the Company's assets. The Company is currently in the process of finalizing terms to these arrangements and expects them to be completed in the second quarter of 2019. Refer to Note 9 for more on the Company's debt.