Unconsolidated Variable Interest Entities (Details) $ in Thousands	Jun. 30, 2023 USD ($)
Senior Living | Straight-Line Rent Receivable
Variable Interest Entity [Line Items]
Carrying Amount	$ 90,059
Maximum Exposure to Loss	93,809
Senior Living Management | Straight-Line Rent Receivable
Variable Interest Entity [Line Items]
Carrying Amount	24,500
Maximum Exposure to Loss	24,500
Bickford | Straight-Line Rent Receivable
Variable Interest Entity [Line Items]
Carrying Amount	17,105
Maximum Exposure to Loss	29,912
Encore Senior Living | Notes Receivable
Variable Interest Entity [Line Items]
Carrying Amount	49,582
Maximum Exposure to Loss	56,166
Timber Ridge OpCo
Variable Interest Entity [Line Items]
Maximum Exposure to Loss	5,000
Timber Ridge OpCo | Notes Receivable
Variable Interest Entity [Line Items]
Carrying Amount	2,605
Maximum Exposure to Loss	7,605
Watermark Retirement | Notes Receivable
Variable Interest Entity [Line Items]
Carrying Amount	8,754
Maximum Exposure to Loss	11,278
Montecito Medical Real Estate | Notes Receivable
Variable Interest Entity [Line Items]
Carrying Amount	20,372
Maximum Exposure to Loss	50,117
Vizion Health | Notes Receivable
Variable Interest Entity [Line Items]
Carrying Amount	18,994
Maximum Exposure to Loss	18,994
Navion Senior Solutions | Notes Receivable
Variable Interest Entity [Line Items]
Carrying Amount	8,820
Maximum Exposure to Loss	8,820
Kindcare Senior Living | Notes Receivable
Variable Interest Entity [Line Items]
Carrying Amount	704
Maximum Exposure to Loss	$ 704