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Related Party Transactions	6 Months Ended
Related Party Transactions	Jun. 30, 2017
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions During the three month periods ended June 30, 2017 and 2016, the Company obtained legal services totaling $0.2 million and $0.3 million, while during the six month periods ended June 30, 2017 and 2016, the Company obtained legal services totaling $0.6 million and $0.6 million respectively, of which $0.3 million and $0.1 million was payable as of June 30, 2017 and 2016, respectively, to 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. The Company also paid legal services totaling $0.1 million and $0.3 million during the three and six month periods ended June 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.