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Cash, cash equivalents, and restricted cash (Tables)
9 Months Ended
Sep. 30, 2021
Cash, cash equivalents, and restricted cash [Abstract]  
Cash, cash equivalents, and restricted cash summary
Cash, cash equivalents, and restricted cash consisted of the following as of September 30, 2021, and December 31, 2020 (in thousands):
 September 30, 2021December 31, 2020
Cash and cash equivalents$325,872 $568,532 
Restricted cash:
Funds held in trust under the terms of certain secured notes payable18,509 17,256 
Funds held in escrow related to construction projects and investing activities
16,938 4,580 
Other 6,735 7,337 
42,182 29,173 
Total$368,054 $597,705