Investment Activity (Schedule of NHC Percentage Rent) (Details) - National HealthCare Corporation (“NHC”) - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Real Estate [Line Items] | ||
| Rent income from NHC | $ 4,193 | $ 4,415 |
| Current year | ||
| Real Estate [Line Items] | ||
| Rent income from NHC | 3,237 | 2,759 |
| Prior year final certification | ||
| Real Estate [Line Items] | ||
| Rent income (loss) from NHC | $ 956 | $ 1,656 |