As of December 31, 2016, the company wholly owned properties totaling 6.7 million square feet and owned an additional 0.9 million square feet via joint ventures.

The company's largest tenant was the federal government of the United States, which accounted for 16% of rents in 2016.

[4] In June 2013, the company sold the majority of its industrial portfolio to an affiliate of The Blackstone Group for $241.5 million.

[2][8] In March 2016, the company sold 26 buildings in Northern Virginia for net proceeds of $90.5 million.

[9] In October 2017, the company was acquired by Government Properties Income Trust.