CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Statement Of Cash Flows [Abstract]
Cash and cash equivalents, beginning balance	$ 15,845	$ 21,268
Cash and cash equivalents, ending balance	34,273	27,765
Restricted cash, beginning balance	14,165	13,580
Restricted cash, ending balance	14,074	12,527
Cash paid for capitalized interest	$ 4,656	$ 5,326