CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Total revenue	$ 813,864	$ 782,831
Cost of Revenue [Abstract]
Facility operating expense (excluding facility depreciation and amortization of $86,209 and $79,904, respectively)	556,987	542,550
General and administrative expense (including non-cash stock-based compensation expense of $3,979 and $3,273, respectively)	47,874	45,732
Facility operating lease expense	52,874	51,496
Depreciation and amortization	90,976	86,127
Asset impairment	1,787	1,708
Income (loss) from operations	29,576	19,246
Interest income	3,648	4,778
Interest expense:
Debt	(54,659)	(53,456)
Financing lease obligations	(5,600)	(5,061)
Amortization of deferred financing costs	(3,630)	(2,257)
Change in fair value of derivatives	(1,142)	3,087
Gain (loss) on debt modification and extinguishment, net	(35,220)	0
Non-operating gain (loss) on sale of assets, net	0	704
Other non-operating income (loss)	1,358	3,338
Income (loss) before income taxes	(65,669)	(29,621)
Benefit (provision) for income taxes	676	40
Net income (loss)	(64,993)	(29,581)
Net (income) loss attributable to noncontrolling interest	14	15
Net income (loss) attributable to Brookdale Senior Living Inc. common stockholders	$ (64,979)	$ (29,566)
Basic and diluted net income (loss) per share attributable to Brookdale Senior Living Inc. common stockholders
Basic net income (loss) per share attributable to Brookdale Senior Living Inc. common stockholders (in dollars per share)	$ (0.28)	$ (0.13)
Diluted net income (loss) per share attributable to Brookdale Senior Living Inc. common stockholders (in dollars per share)	$ (0.28)	$ (0.13)
Weighted average shares used in computing basic and diluted net income (loss) per share
Weighted average shares used in computing basic net income (loss) per share (in shares)	230,678	225,890
Weighted average shares used in computing diluted net income (loss) per share (in shares)	230,678	225,890
Resident fees
Total revenue	$ 777,454	$ 744,241
Management fees
Total revenue	2,620	2,618
Reimbursed costs incurred on behalf of managed communities
Total revenue	33,790	35,972
Cost of Revenue [Abstract]
Costs incurred on behalf of managed communities	33,790	35,972
Facility operating expense
Cost of Revenue [Abstract]
Facility operating expense (excluding facility depreciation and amortization of $86,209 and $79,904, respectively)	$ 556,987	$ 542,550