Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 1,918	$ (481)
Other comprehensive loss:
Unrealized loss on interest rate swaps, net	(9,846)	(3,017)
Other comprehensive loss	(9,846)	(3,017)
Comprehensive loss	(7,928)	(3,498)
Non-controlling interest in Operating Partnership	(221)	65
Other comprehensive income attributable to non-controlling interest	1,260	386
Comprehensive loss attributable to Easterly Government Properties, Inc.	$ (6,889)	$ (3,047)