Related Party Transactions	9 Months Ended
Sep. 30, 2018
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions The Company provides general contracting and real estate services to certain related party entities that are included in these condensed consolidated financial statements. Revenue from construction contracts with these entities for the three months ended September 30, 2018 and 2017 was less than $0.1 million for each period, and gross profit from such contracts for the three months ended September 30, 2018 and 2017 was less than $0.1 million for each period. Revenue from construction contracts with related party entities of the Company for the nine months ended September 30, 2018 and 2017 was $1.5 million and $7.4 million, respectively, and gross profit from such contracts for the nine months ended September 30, 2018 and 2017 was $0.3 million and $0.4 million, respectively. Real estate services fees from affiliated entities of the Company were not significant for the three and nine months ended September 30, 2018 or 2017. In addition, affiliated entities also reimburse the Company for monthly maintenance and facilities management services provided to the properties. Cost reimbursements earned by the Company from affiliated entities were not significant for the three and nine months ended September 30, 2018 and 2017. The Operating Partnership entered into tax protection agreements that indemnify certain directors and executive officers of the Company from their tax liabilities resulting from the potential future sale of certain of the Company’s properties within seven (or, in a limited number of cases, ten) years of the completion of the Company’s initial public offering and formation transactions completed on May 13, 2013. In addition, the tax protection agreements provide that the Operating Partnership will offer certain of the original contributors, including certain of the Company’s directors and executive officers, the opportunity to guarantee debt, or, alternatively, to enter into a deficit restoration obligation, for ten years from the closing of the Company’s initial public offering in a manner intended to provide an allocation of Operating Partnership liabilities to the partner for U.S. federal income tax purposes. Pursuant to these tax protection agreements, certain of the Company’s executive officers previously guaranteed approximately $0.3 million of the Operating Partnership’s outstanding debt. In September 2018, these officers were released from these guaranty obligations.

Related Party Transactions

The Company provides general contracting and real estate services to certain related party entities that are included in these condensed consolidated financial statements. Revenue from construction contracts with these entities for the three months ended September 30, 2018 and 2017 was less than $0.1 million for each period, and gross profit from such contracts for the three months ended September 30, 2018 and 2017 was less than $0.1 million for each period. Revenue from construction contracts with related party entities of the Company for the nine months ended September 30, 2018 and 2017 was $1.5 million and $7.4 million, respectively, and gross profit from such contracts for the nine months ended September 30, 2018 and 2017 was $0.3 million and $0.4 million, respectively.

Real estate services fees from affiliated entities of the Company were not significant for the three and nine months ended September 30, 2018 or 2017. In addition, affiliated entities also reimburse the Company for monthly maintenance and facilities management services provided to the properties. Cost reimbursements earned by the Company from affiliated entities were not significant for the three and nine months ended September 30, 2018 and 2017.

The Operating Partnership entered into tax protection agreements that indemnify certain directors and executive officers of the Company from their tax liabilities resulting from the potential future sale of certain of the Company’s properties within seven (or, in a limited number of cases, ten) years of the completion of the Company’s initial public offering and formation transactions completed on May 13, 2013. In addition, the tax protection agreements provide that the Operating Partnership will offer certain of the original contributors, including certain of the Company’s directors and executive officers, the opportunity to guarantee debt, or, alternatively, to enter into a deficit restoration obligation, for ten years from the closing of the Company’s initial public offering in a manner intended to provide an allocation of Operating Partnership liabilities to the partner for U.S. federal income tax purposes. Pursuant to these tax protection agreements, certain of the Company’s executive officers previously guaranteed approximately $0.3 million of the Operating Partnership’s outstanding debt. In September 2018, these officers were released from these guaranty obligations.