Real Estate and Other Activities - Schedule of Concentrations of Credit Risk (Parenthetical) (Detail) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Business Acquisition [Line Items]
Investments in unconsolidated operating entities	$ 418,074	$ 439,578
PHP Holdings [Member]
Business Acquisition [Line Items]
Investments in unconsolidated operating entities	131,027	149,027
Other Assets by Operator [Member] | PHP Holdings [Member]
Business Acquisition [Line Items]
Investments in unconsolidated operating entities	$ 131	$ 150