Equity Investments in the Managed Programs and Real Estate - Summary of Investments in Managed Programs (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Investments in Programs
Equity investments in real estate	$ 317,159	$ 329,248
Affiliated Entity | CPA:18 – Global
Investments in Programs
Equity method investment, ownership percentage	3.664%	3.446%
Equity investments in real estate	$ 41,242	$ 39,600
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	3.516%	3.062%
Equity investments in real estate	$ 43,802	$ 38,600
Affiliated Entity | CWI 1 operating partnership
Investments in Programs
Equity method investment, ownership percentage	0.015%	0.015%
Equity investments in real estate	$ 186	$ 186
Affiliated Entity | CWI 2
Investments in Programs
Equity method investment, ownership percentage	3.295%	2.807%
Equity investments in real estate	$ 29,733	$ 25,200
Affiliated Entity | CWI 2 operating partnership
Investments in Programs
Equity method investment, ownership percentage	0.015%	0.015%
Equity investments in real estate	$ 300	$ 300
Affiliated Entity | CESH
Investments in Programs
Equity method investment, ownership percentage	2.43%	2.43%
Equity investments in real estate	$ 3,755	$ 3,495
Affiliated Entity | Managed Programs
Investments in Programs
Equity investments in real estate	$ 119,227	$ 107,590