Supplemental Cash Flow Information - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018
Supplemental cash flow information:
Interest Paid, Capitalized, Investing Activities	$ 164,761	$ 226,907
Income taxes paid (refunded)	1,314	2,040
Capitalized interest	22,768	13,769
Supplemental schedule of non-cash investing and financing activities:
Accrued construction costs	113,936	78,557
Retained equity method investment from U.K. JV transaction	0	104,922
Derecognition of U.K. Bridge Loan receivable	0	147,474
Consolidation of net assets related to U.K. Bridge Loan	0	106,457
Vesting of restricted stock units and conversion of non-managing member units into common stock	4,534	389
Liabilities assumed with real estate acquisitions	172,565	2,093
Conversion of DFLs to real estate	350,540	0
Net noncash impact from the consolidation of previously unconsolidated joint ventures	$ 17,850	$ 0

Conversion of Direct Finance Leases to Real Estate

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