Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Supplemental Disclosure of Cash Flow Information:
Interest paid, net of capitalized interest	$ 81,889	$ 84,155
Income taxes paid	1,327	1,846
Cash paid for operating leases	8,922	9,277
Supplemental Disclosure of Noncash Investing and Financing Activities:
Accrued capital expenditures	13,139	3,922
Dividend distributions declared, but not paid	71,072	66,397
Issuance of OP Units in HTALP	0	2,603
Issuance of OP Units in HTALP in connection with an acquisition	0	2,000
Redemption of noncontrolling interest	8,685	7,263
Redemption of redeemable noncontrolling interest	0	3,441
ROU assets obtained in exchange for lease obligations	$ 696	$ 200,879