CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In- Capital	Treasury Stock	Accumulated Deficit	Noncontrolling Interest
Balances at beginning of period at Dec. 31, 2021	$ 699,623	$ 1,975	$ 4,208,675	$ (102,774)	$ (3,410,474)	$ 2,221
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock and restricted stock units, net		9	(9)
Shares withheld for employee taxes		(6)	(4,287)
Compensation expense related to restricted stock grants			14,466
Issuance of tangible equity units, net of issuance costs			113,457
Net income (loss) attributable to Brookdale Senior Living Inc. common stockholders	(238,427)				(238,427)
Net income (loss) attributable to noncontrolling interest	(238,340)					87
Noncontrolling interest distribution						(760)
Balances at end of period at Dec. 31, 2022	584,153	$ 1,978	4,332,302	(102,774)	(3,648,901)	1,548
Balances at beginning of period (in shares) at Dec. 31, 2021		186,958,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock and restricted stock units, net (in shares)		911,000
Shares withheld for employee taxes (in shares)		(620,000)
Balances at end of period (in shares) at Dec. 31, 2022		187,249,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock and restricted stock units, net		$ 16	(16)
Shares withheld for employee taxes		(6)	(1,909)
Compensation expense related to restricted stock grants			11,985
Net income (loss) attributable to Brookdale Senior Living Inc. common stockholders	(189,011)				(189,011)
Net income (loss) attributable to noncontrolling interest	(189,070)					(59)
Balances at end of period at Dec. 31, 2023	$ 405,153	$ 1,988	4,342,362	(102,774)	(3,837,912)	1,489
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock and restricted stock units, net (in shares)		1,580,000
Shares withheld for employee taxes (in shares)		(576,000)
Balances at end of period (in shares) at Dec. 31, 2023	188,253,301	188,253,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued for settlement of prepaid stock purchase contracts		$ 76	(76)
Shares issued for warrant exercise		28	(28)
Restricted stock and restricted stock units, net		19	(19)
Shares withheld for employee taxes		(6)	(3,432)
Compensation expense related to restricted stock grants			14,184
Net income (loss) attributable to Brookdale Senior Living Inc. common stockholders	$ (201,935)				(201,935)
Net income (loss) attributable to noncontrolling interest	(201,994)					(59)
Balances at end of period at Dec. 31, 2024	$ 213,905	$ 2,105	$ 4,352,991	$ (102,774)	$ (4,039,847)	$ 1,430
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued for settlement of prepaid stock purchase contracts (in shares)		7,550,000
Shares issued for warrant exercise (in shares)		2,879,000
Restricted stock and restricted stock units, net (in shares)		1,920,000
Shares withheld for employee taxes (in shares)		(582,000)
Balances at end of period (in shares) at Dec. 31, 2024	200,019,826	200,020,000