SUPPLEMENTAL DISCLOSURE TO CONSOLIDATED STATEMENTS OF CASH FLOWS (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Reconciliation of cash and cash equivalents and restricted cash:
Cash and cash equivalents	$ 10,300	$ 85,937	$ 93,687
Restricted cash	1,371	10,871	13,589
Cash, cash equivalents and restricted cash at end of period	11,671	96,808	107,276	$ 20,031
Supplemental Information:
Interest paid during the period, net of amounts capitalized	211,863	182,832	148,326
Taxes paid during the period	4,772	4,141	4,922
Non cash investing activities
Non cash acquisition of real estate (See Note 2)	(185,592)	(27,170)	0
Non cash proceeds from sale of real estate investments (See Note 3)	53,118	0	0
Non cash acquisition of business (See Note 3)	0	0	(60,079)
Non cash surrender of mortgage (See Note 3)	0	0	25,000
Non cash investment in other investments	(16,153)	(6,353)	0
Non cash proceeds from other investments (See Note 3 and Note 6)	7,000	30,187	5,500
Non cash settlement of direct financing lease (See Note 3 and Note 4)	184,462	18,989	0
Total	42,835	15,653	(29,579)
Non cash financing activities
Purchase option buyout obligation (see Note 3)	0	0	29,579
Non cash disposition of other long-term borrowings (see Note 13)	(53,118)	0	0
Change in fair value of cash flow hedges	2,531	2,970	764
Remeasurement of debt denominated in a foreign currency	(7,140)	7,070	0
Other unsecured long term borrowing (see Note 3)	0	0	3,000
Total	$ (57,727)	$ 10,040	$ 33,343