Schedule IV - Mortgage Loans on Real Estate - Rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate
Beginning balance	$ 39,250	$ 24,143	$ 24,143
Repayments	(28,000)	(34,000)	0
Acquisition through CPA:18 Merger (Note 7)	0	28,000	0
Gain on repayment of secured loan receivable	0	10,613	0
Allowance for credit losses	0	10,494	0
Ending balance	$ 11,250	$ 39,250	$ 24,143