Redeemable Noncontrolling Interests - Summary of the Activity of Redeemable Noncontrolling Interests (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Temporary Equity
Balance as of the beginning of the period	$ 522,725	$ 530,748
OP Unit redemptions	(6,014)	(3,919)
LTIP Units issued in lieu of cash bonuses (1)	5,597	4,817
Net loss attributable to redeemable noncontrolling interests	10	(2,230)
Other comprehensive income (loss)	2,966	973
Distributions	(69)	(1,362)
Share-based compensation expense	12,527	12,564
Adjustment to redemption value	8,307	11,336
Balance as of the end of the period	546,049	552,927
JBG Smith, LP
Temporary Equity
Balance as of the beginning of the period	513,268	522,882
OP Unit redemptions	(6,014)	(3,919)
LTIP Units issued in lieu of cash bonuses (1)	5,597	4,817
Net loss attributable to redeemable noncontrolling interests	(3)	(2,197)
Other comprehensive income (loss)	2,966	973
Distributions		(1,362)
Share-based compensation expense	12,527	12,564
Adjustment to redemption value	8,384	11,293
Balance as of the end of the period	536,725	545,051
Consolidated Real Estate Venture
Temporary Equity
Balance as of the beginning of the period	9,457	7,866
Net loss attributable to redeemable noncontrolling interests	13	(33)
Distributions	(69)
Adjustment to redemption value	(77)	43
Balance as of the end of the period	$ 9,324	$ 7,876