Equity Investments in Real Estate (Details 2) - USD ($) $ in Thousands	Jun. 30, 2016	Apr. 11, 2016	Dec. 31, 2015
Ownership interest in equity investments:
Equity investments in real estate	$ 481,946		$ 514,147
Net Lease
Ownership interest in equity investments:
Equity investments in real estate	$ 236,399		240,345
Net Lease | C1000 Logistiek Vastgooed B.V | WPC
Ownership interest in equity investments:
Ownership interest, percentage	85.00%
Equity investments in real estate	$ 58,761		59,629
Net Lease | U-haul Moving Partners Inc And Mercury Partners LP | WPC
Ownership interest in equity investments:
Ownership interest, percentage	12.00%
Equity investments in real estate	$ 38,454		39,309
Net Lease | Bank Pekao S.A. | CPA 18 - Global
Ownership interest in equity investments:
Ownership interest, percentage	50.00%
Equity investments in real estate	$ 25,353		25,785
Net Lease | BPS Nevada, LLC | Third Party
Ownership interest in equity investments:
Ownership interest, percentage	15.00%
Equity investments in real estate	$ 22,267		22,007
Net Lease | State Farm | CPA 18 - Global
Ownership interest in equity investments:
Ownership interest, percentage	50.00%
Equity investments in real estate	$ 18,092		18,587
Net Lease | Berry Plastics Corporation | WPC
Ownership interest in equity investments:
Ownership interest, percentage	50.00%
Equity investments in real estate	$ 15,384		16,094
Net Lease | Apply Sorco | CPA 18 - Global
Ownership interest in equity investments:
Ownership interest, percentage	49.00%
Equity investments in real estate	$ 14,947		15,170
Net Lease | Hellweg Die Profi-Baumärkte GmbH & Co. KG (referred to as Hellweg 2) | WPC
Ownership interest in equity investments:
Ownership interest, percentage	37.00%
Equity investments in real estate	$ 12,094		12,212
Net Lease | Tesco plc | WPC
Ownership interest in equity investments:
Ownership interest, percentage	49.00%
Equity investments in real estate	$ 12,006		11,849
Net Lease | Agrokor d.d. (referred to as Agrokor 5) | CPA 18 - Global
Ownership interest in equity investments:
Ownership interest, percentage	20.00%
Equity investments in real estate	$ 7,357		7,858
Net Lease | Eroski Sociedad Cooperativa - Mallorca | WPC
Ownership interest in equity investments:
Ownership interest, percentage	30.00%
Equity investments in real estate	$ 7,014		6,790
Net Lease | Dicks Sporting Goods, Inc. | WPC
Ownership interest in equity investments:
Ownership interest, percentage	45.00%
Equity investments in real estate	$ 4,670		5,055
Self-Storage
Ownership interest in equity investments:
Equity investments in real estate	0		16,060
Self-Storage | Madison Storage NYC, LLC and Veritas Group IX-NYC, LLC
Ownership interest in equity investments:
Ownership interest, percentage		100.00%
Self-Storage | Madison Storage NYC, LLC and Veritas Group IX-NYC, LLC | Third Party
Ownership interest in equity investments:
Equity investments in real estate	0		16,060
All Other
Ownership interest in equity investments:
Equity investments in real estate	$ 245,547		257,742
All Other | Shelborne Property Associates, LLC | Third Party
Ownership interest in equity investments:
Ownership interest, percentage	33.00%
Equity investments in real estate	$ 143,696		148,121
All Other | IDL Wheel Tenant, LLC | Third Party
Ownership interest in equity investments:
Equity investments in real estate	$ 37,523		44,387
All Other | BG LLH, LLC | Third Party
Ownership interest in equity investments:
Ownership interest, percentage	7.00%
Equity investments in real estate	$ 36,850		37,720
All Other | BPS Nevada, LLC Preferred Equity | Third Party
Ownership interest in equity investments:
Equity investments in real estate	$ 27,478		$ 27,514