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Related Party Transactions Related Party Transactions	3 Months Ended
Related Party Transactions Related Party Transactions	Mar. 31, 2018
Related Party Transactions [Abstract]
Related Party Transactions Disclosure [Text Block]	Related Party Transactions At March 31, 2018 and December 31, 2017, the Operating Partnership had receivable balances of $10,223 and $10,129, respectively, from a direct wholly-owned subsidiary of the Company.