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	Mar. 31, 2019	Dec. 31, 2018
Future minimum rental payments from the Company’s properties held for investment under non-cancelable operating leases:
2019	$ 351,250
2020	456,660
2021	452,218
2022	454,086
2023	437,112
Thereafter	2,440,245
Total	$ 4,591,571
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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Amount of lease payments to be received by lessor after fifth fiscal year following latest statement of financial position date 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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