Variable Interest Entities - Schedule of Variable Interest Entities (Details) $ in Thousands	Mar. 31, 2024 USD ($)
Senior Living | Straight-Line Rent Receivable
Variable Interest Entity [Line Items]
Carrying Amount	$ 87,964
Maximum Exposure to Loss	92,464
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	16,861
Maximum Exposure to Loss	29,415
Encore Senior Living | Notes Receivable
Variable Interest Entity [Line Items]
Carrying Amount	56,965
Maximum Exposure to Loss	57,639
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	689
Maximum Exposure to Loss	5,689
Watermark Retirement | Notes Receivable
Variable Interest Entity [Line Items]
Carrying Amount	9,450
Maximum Exposure to Loss	11,723
Montecito Medical Real Estate | Notes Receivable
Variable Interest Entity [Line Items]
Carrying Amount	20,498
Maximum Exposure to Loss	50,243
Vizion Health | Notes Receivable
Variable Interest Entity [Line Items]
Carrying Amount	16,173
Maximum Exposure to Loss	16,173
Navion Senior Solutions | Notes Receivable
Variable Interest Entity [Line Items]
Carrying Amount	7,990
Maximum Exposure to Loss	7,990
Kindcare Senior Living | Notes Receivable
Variable Interest Entity [Line Items]
Carrying Amount	758
Maximum Exposure to Loss	$ 758