Redeemable Noncontrolling Interests - Summary of the Activity of Redeemable Noncontrolling Interests (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Temporary Equity
Balance as of the beginning of the period	$ 522,725	$ 530,748
Redemptions	(26,235)	(29,634)
LTIP Units issued in lieu of cash bonuses (1)	6,584	5,614
Net income (loss)	13,244	(8,728)
Other comprehensive income	8,411	2,675
Distributions	(16,439)	(17,318)
Share-based compensation expense	38,384	47,222
Adjustment to redemption value	(65,364)	(7,854)
Balance as of the end of the period	481,310	522,725
JBG Smith, LP
Temporary Equity
Balance as of the beginning of the period	513,268	522,882
Redemptions	(16,704)	(29,634)
LTIP Units issued in lieu of cash bonuses (1)	6,584	5,614
Net income (loss)	13,212	(8,671)
Other comprehensive income	8,411	2,675
Distributions	(16,172)	(17,170)
Share-based compensation expense	38,384	47,222
Adjustment to redemption value	(66,320)	(9,650)
Balance as of the end of the period	480,663	513,268
Consolidated Real Estate Venture
Temporary Equity
Balance as of the beginning of the period	9,457	7,866
Redemptions	(9,531)
Net income (loss)	32	(57)
Distributions	(267)	(148)
Adjustment to redemption value	956	1,796
Balance as of the end of the period	$ 647	$ 9,457