Leases - Narrative (Details)	Mar. 31, 2026 lease community
Leases [Abstract]
Number of communities leased \| community	176
Number of communities leased	167
Financing leases, number of communities	9

Operating And Financing Leases, Number Of Communities

No definition available.

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Namespace Prefix:	bkd_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant