Fair Value Measurements (Details) $ in Thousands	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Fair value measurements
Mortgage loans receivable, net of credit loss reserve	$ 312,583	$ 477,266
Notes receivable, net of credit loss reserve	47,240	60,490
Term loans, net of debt issue costs	684,600	891,317
Senior unsecured notes, net of debt issue costs	$ 440,442	$ 489,409
Level 3 | Senior Unsecured Notes maturing before 2030 | Discount Rate
Fair value measurements
Future cash outflows discount rate (as a percent)	6.25	6.5
Level 3 | Senior Unsecured Notes maturing 2030 and after | Discount Rate
Fair value measurements
Future cash outflows discount rate (as a percent)	6.5	6.75
Level 3 | Financing receivables | Discount Rate
Fair value measurements
Future cash inflows discount rate (as a percent)	7.7	7.6
Level 3 | Mortgage Loans Receivable | Discount Rate
Fair value measurements
Future cash inflows discount rate (as a percent)	10	9.2
Level 3 | Notes Receivable | Discount Rate
Fair value measurements
Future cash inflows discount rate (as a percent)	7.6	6.9
Carrying Value
Fair value measurements
Mortgage loans receivable, net of credit loss reserve	$ 312,583	$ 477,266
Revolving line of credit	144,350	302,250
Term loans, net of debt issue costs	99,808	99,658
Senior unsecured notes, net of debt issue costs	440,442	489,409
Carrying Value | Financing receivables
Fair value measurements
Notes receivable, net of credit loss reserve	357,867	196,032
Carrying Value | Notes Receivable
Fair value measurements
Notes receivable, net of credit loss reserve	47,240	60,490
Fair Value
Fair value measurements
Revolving line of credit	144,350	302,250
Term loans, net of debt issue costs	100,000	100,000
Fair Value | Financing receivables
Fair value measurements
Notes receivable, net of credit loss reserve	363,228	199,199
Fair Value | Notes Receivable
Fair value measurements
Notes receivable, net of credit loss reserve	53,549	67,877
Fair Value | Level 3
Fair value measurements
Mortgage loans receivable, net of credit loss reserve	386,871	554,993
Senior unsecured notes, net of debt issue costs	$ 402,394	$ 439,865