CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Total revenue	$ 764,856	$ 813,864
Cost of Revenue [Abstract]
Facility operating expense (excluding facility depreciation and amortization of $68,916 and $86,209, respectively)	511,470	556,987
General and administrative expense (including non-cash stock-based compensation expense of $3,680 and $3,979, respectively)	45,057	47,874
Facility operating lease expense	43,981	52,874
Depreciation and amortization	73,463	90,976
Asset impairment	6,115	1,787
Loss (gain) on sale of communities, net	(4,034)	0
Income (loss) from operations	51,777	29,576
Interest income	3,113	3,648
Interest expense:
Debt	(55,670)	(54,659)
Financing lease obligations	(1,700)	(5,600)
Amortization of deferred financing costs	(3,483)	(3,630)
Change in fair value of derivatives	1,301	(1,142)
Gain (loss) on debt modification and extinguishment, net	(2,786)	(35,220)
Other non-operating income (loss)	115	1,358
Income (loss) before income taxes	(7,333)	(65,669)
Benefit (provision) for income taxes	429	676
Net income (loss)	(6,904)	(64,993)
Net (income) loss attributable to noncontrolling interest	12	14
Net income (loss) attributable to Brookdale Senior Living Inc. common stockholders	$ (6,892)	$ (64,979)
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)	$ (0.03)	$ (0.28)
Diluted net income (loss) per share attributable to Brookdale Senior Living Inc. common stockholders (in dollars per share)	$ (0.03)	$ (0.28)
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)	238,112	230,678
Weighted average shares used in computing diluted net income (loss) per share (in shares)	238,112	230,678
Resident fees
Total revenue	$ 722,456	$ 777,454
Management fees
Total revenue	5,373	2,620
Reimbursed costs incurred on behalf of managed communities
Total revenue	37,027	33,790
Cost of Revenue [Abstract]
Costs incurred on behalf of managed communities	37,027	33,790
Facility operating expense
Cost of Revenue [Abstract]
Facility operating expense (excluding facility depreciation and amortization of $68,916 and $86,209, respectively)	$ 511,470	$ 556,987