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Related Party Transactions	9 Months Ended
Related Party Transactions	Sep. 30, 2017
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions In 2017 and 2016, the Company obtained legal services from Polsinelli PC, a law firm for which the spouse of the Company’s Executive Vice President, General Counsel and Secretary is an attorney and shareholder. During the nine months period ending September 30, 2017, the Company obtained legal services from this firm totaling $0.6 million of which $0.1 million was payable as of September 30, 2017. During the three and nine month periods ended September 30, 2016, the Company obtained legal services totaling $0.3 million and $0.9 million respectively, of which and $0.2 million was payable as of September 30, 2016. The Company also paid legal services totaling $0.2 million and $0.4 million during the three and nine month periods ended September 30, 2017 to Segal McCambridge Singer & Mahoney, a firm for which the brother in law of the Company's Executive Vice President, General Counsel and Secretary is a partner.