Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Supplemental Disclosure of Cash Flow Information:
Interest paid, net of capitalized interest	$ 94,668	$ 101,165	$ 64,988
Income taxes paid	2,125	1,645	1,333
Cash paid for operating leases	11,842	0	0
Supplemental Disclosure of Noncash Investing and Financing Activities:
Accrued capital expenditures	6,381	9,878	3,155
Debt and interest rate swaps assumed and entered into in connection with an acquisition	0	0	286,000
Dividend distributions declared, but not paid	69,468	65,034	63,823
Issuance of OP Units in HTALP	2,603	0	0
Issuance of OP Units in HTALP in connection with an acquisition	2,000	0	1,125
Note receivable retired in connection with an acquisition	0	0	8,611
Redemption of noncontrolling interest	7,527	5,195	5,943
ROU assets obtained in exchange for lease obligations	$ 200,879	$ 0	$ 0