Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 7,880	$ 1,918
Other comprehensive income (loss):
Unrealized gain (loss) on interest rate swaps, net	1,838	(9,846)
Other comprehensive income (loss)	1,838	(9,846)
Comprehensive income (loss)	9,718	(7,928)
Non-controlling interest in Operating Partnership	(889)	(221)
Other comprehensive (income) loss attributable to non-controlling interest	(228)	1,260
Comprehensive income (loss) attributable to Easterly Government Properties, Inc.	$ 8,601	$ (6,889)