Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 9,254	$ 4,163	$ 17,134	$ 6,081
Other comprehensive income (loss):
Unrealized gain (loss) on interest rate swaps, net	1,257	(266)	3,095	(10,112)
Other comprehensive income (loss)	1,257	(266)	3,095	(10,112)
Comprehensive income (loss)	10,511	3,897	20,229	(4,031)
Non-controlling interest in Operating Partnership	(1,053)	(497)	(1,942)	(718)
Other comprehensive (income) loss attributable to non-controlling interest	(55)	(76)	(283)	1,184
Comprehensive income (loss) attributable to Easterly Government Properties, Inc.	$ 9,403	$ 3,324	$ 18,004	$ (3,565)