Equity Investments in the Managed Programs and Real Estate - Summary of Investments in Managed Programs (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Investments in Programs
Equity investments in real estate	$ 284,643	$ 324,004
Affiliated Entity | Managed Programs
Investments in Programs
Equity investments in real estate	$ 48,899	$ 129,567
Affiliated Entity | CPA:18 – Global
Investments in Programs
Equity method investment, ownership percentage	4.124%	3.851%
Equity investments in real estate	$ 44,147	$ 42,644
Affiliated Entity | CPA:18 – Global operating partnership
Investments in Programs
Equity method investment, ownership percentage	0.034%	0.034%
Equity investments in real estate	$ 209	$ 209
Affiliated Entity | CWI 1
Investments in Programs
Equity method investment, ownership percentage	0.00%	3.943%
Equity investments in real estate	$ 0	$ 49,032
Affiliated Entity | CWI 1 operating partnership
Investments in Programs
Equity method investment, ownership percentage	0.00%	0.015%
Equity investments in real estate	$ 0	$ 186
Affiliated Entity | CWI 2
Investments in Programs
Equity method investment, ownership percentage	0.00%	3.755%
Equity investments in real estate	$ 0	$ 33,669
Affiliated Entity | CWI 2 operating partnership
Investments in Programs
Equity method investment, ownership percentage	0.00%	0.015%
Equity investments in real estate	$ 0	$ 300
Affiliated Entity | CESH
Investments in Programs
Equity method investment, ownership percentage	2.43%	2.43%
Equity investments in real estate	$ 4,543	$ 3,527