Computation of Earnings (Loss) per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended								12 Months Ended
	Apr. 17, 2020	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Computation of Earnings (Loss) per Common Share [Abstract]
Distribution to Madison Square Garden Sports Corp. stockholders (in shares)	23,992
Net income (loss) attributable to Madison Square Garden Entertainment Corp.’s stockholders		$ (99,943)	$ (17,491)	$ 2,271	$ (79,232)	$ (38,263)	$ (18,260)	$ (55,831)	$ (35,797)	$ (194,395)	$ (148,151)	$ 181,734
Adjustment of redeemable noncontrolling interest for ownership changes											(8,728)	0
Net Income (Loss) Available to Common Stockholders, Basic										$ (197,568)	$ (156,879)	$ 181,734
Weighted-average shares for basic EPS										34,255	34,077	34,864
Dilutive effect of shares issuable under share-based compensation plans (a)										0	0	78
Weighted-average shares for diluted EPS										34,255	34,077	34,942
Weighted-average anti-dilutive shares (a)										0	0	1,002
Basic earnings (loss) per common share attributable to Madison Square Garden Entertainment Corp.’s stockholders (in usd per share)		$ (3.00)	$ (0.51)	$ 0.07	$ (2.32)	$ (1.12)	$ (0.79)	$ (1.64)	$ (1.05)	$ (5.77)	$ (4.60)	$ 5.21
Earnings (loss) per Share, Diluted		$ (3.00)	$ (0.51)	$ 0.07	$ (2.32)	$ (1.12)	$ (0.79)	$ (1.64)	$ (1.05)	$ (5.77)	$ (4.60)	$ 5.20