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Related Parties and Related Party Transactions	12 Months Ended
Related Parties and Related Party Transactions	Dec. 31, 2018
Related Party Transactions [Abstract]
Related Parties and Related Party Transactions	Related Parties and Related Party Transactions Subsidiaries of the Company provide certain management, construction management and other services to certain entities owned by certain members of the Company’s management. During each of the years ended December 31, 2018, 2017 and 2016, we earned less than $0.1 million, from entities owned by certain members of management. We reimburse an entity owned by certain members of our management for certain travel and related services. During the years ended December 31, 2018, 2017 and 2016, we paid $0.5 million, $0.3 million and $0.4 million, respectively, to this related entity.