Schedule IV - Schedule of Mortgage Loans on Real Estate (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Mortgage Loans on Real Estate [Line Items]
Face Amount of Mortgages	$ 364,420
Carrying Amount of Mortgages	$ 364,420	$ 213,320	$ 248,335	$ 1,274,995
Long-Term First Mortgage Loan [Member]
Mortgage Loans on Real Estate [Line Items]
Periodic Payment Terms	Payable in monthlyinstallments of interest plusprincipal payable in full at maturity
Long-Term First Mortgage Loan [Member] | Colombia [Member]
Mortgage Loans on Real Estate [Line Items]
Interest Rate	8.95%
Final Maturity Date	2035
Face Amount of Mortgages	$ 117,360
Carrying Amount of Mortgages	$ 117,360
Long-Term First Mortgage Loan [Member] | Springstone Inc. [Member]
Mortgage Loans on Real Estate [Line Items]
Interest Rate	7.00%
Final Maturity Date	2041
Face Amount of Mortgages	$ 22,900
Carrying Amount of Mortgages	$ 22,900
Long-Term First Mortgage Loan [Member] | Vibra [Member]
Mortgage Loans on Real Estate [Line Items]
Interest Rate	11.50%
Final Maturity Date	2024
Face Amount of Mortgages	$ 7,986
Carrying Amount of Mortgages	$ 7,986
Long-Term First Mortgage Loan [Member] | Prospect [Member]
Mortgage Loans on Real Estate [Line Items]
Interest Rate	7.96%
Final Maturity Date	2034
Face Amount of Mortgages	$ 151,267
Carrying Amount of Mortgages	$ 151,267
Long-Term First Mortgage Loan [Member] | Infracore [Member]
Mortgage Loans on Real Estate [Line Items]
Interest Rate	4.20%
Final Maturity Date	2023
Face Amount of Mortgages	$ 64,907
Carrying Amount of Mortgages	$ 64,907