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Subsequent Events	6 Months Ended
Subsequent Events	Jun. 30, 2018
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On July 27, 2018, the Company entered into an amendment to the Amended and Restated Credit Agreement that amends the Company’s obligation to use certain of its excess cash flow to prepay its obligations under the Credit Agreement by limiting the applicable period for the fiscal year ended December 31, 2017 to the period commencing October 31, 2017 and ended December 31, 2017. Subsequently, the Company made a one-time principal payment of approximately $4.3 million.