REAL ESTATE PROPERTIES HELD FOR INVESTMENT - Future Minimum Rental Payments Receivable for Properties Held for Investment Under Non-Cancelable Operating Leases (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Future minimum rental payments from the Company’s properties held for investment under non-cancelable operating leases:
October 1 through December 31, 2019	$ 109,663
2020	425,610
2021	422,465
2022	398,608
2023	381,472
Thereafter	2,023,764
Total	$ 3,761,582
Future minimum rental payments from the Company’s properties held for investment under non-cancelable operating leases:
2019		$ 465,766
2020		456,207
2021		452,346
2022		454,216
2023		437,277
Thereafter		2,407,064
Total		$ 4,672,876

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Amount of lease payments to be received by lessor for operating lease.

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Amount of lease payments to be received by lessor in remainder of fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

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Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

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Future rental payments receivable within the second year from the balance sheet date under an operating lease.

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Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date.

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