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Variable Interest Entities (Schedule of Variable Interest Entities) (Details) $ in Thousands	Sep. 30, 2025 USD ($) loan
Variable Interest Entity [Line Items]
Number of mezzanine loans | loan	2
Senior Living | Notes and straight-line rent receivable
Variable Interest Entity [Line Items]
Carrying Amounts	$ 78,953
Maximum Exposure to Loss	87,203
SLM | Note
Variable Interest Entity [Line Items]
Carrying Amounts	12,000
Maximum Exposure to Loss	12,000
Bickford | Notes
Variable Interest Entity [Line Items]
Carrying Amounts	16,099
Maximum Exposure to Loss	28,009
Encore Senior Living | Various
Variable Interest Entity [Line Items]
Carrying Amounts	35,511
Maximum Exposure to Loss	35,579
Timber Ridge OpCo
Variable Interest Entity [Line Items]
Maximum Exposure to Loss	5,000
Timber Ridge OpCo | Various
Variable Interest Entity [Line Items]
Carrying Amounts	(3,475)
Maximum Exposure to Loss	1,525
Senior Living Hospitality Group | Notes and straight-line rent receivable
Variable Interest Entity [Line Items]
Carrying Amounts	12,961
Maximum Exposure to Loss	13,985
Montecito Medical Real Estate | Notes and funding commitment
Variable Interest Entity [Line Items]
Carrying Amounts	6,704
Maximum Exposure to Loss	6,704
Vizion Health | Notes and straight-line rent receivable
Variable Interest Entity [Line Items]
Carrying Amounts	19,645
Maximum Exposure to Loss	20,550
Navion Senior Solutions | Various
Variable Interest Entity [Line Items]
Carrying Amounts	7,427
Maximum Exposure to Loss	9,577
Kindcare Senior Living | Notes
Variable Interest Entity [Line Items]
Carrying Amounts	811
Maximum Exposure to Loss	811
Mainstay Healthcare | Note
Variable Interest Entity [Line Items]
Carrying Amounts	9,064
Maximum Exposure to Loss	$ 9,064

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