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Supplemental Cash Flow Information (Tables)
 3 Months Ended
Mar. 31, 2021
Supplemental Cash Flow Elements [Abstract]  
Schedule of cash and cash equivalents The March 31, 2021 and March 31, 2020 balances sum to the amounts shown in the Consolidated Statements of Cash Flows for the three months ended March 31, 2021 and 2020:
March 31, 2021March 31, 2020December 31, 2020
Cash and cash equivalents$561,330 $299,686 $750,147 
Restricted cash106,633 40,922 117,151 
Total Cash and cash equivalents and Restricted cash shown in the Consolidated Statements of Cash Flows$667,963 $340,608 $867,298 
Schedule of restricted cash The March 31, 2021 and March 31, 2020 balances sum to the amounts shown in the Consolidated Statements of Cash Flows for the three months ended March 31, 2021 and 2020:
March 31, 2021March 31, 2020December 31, 2020
Cash and cash equivalents$561,330 $299,686 $750,147 
Restricted cash106,633 40,922 117,151 
Total Cash and cash equivalents and Restricted cash shown in the Consolidated Statements of Cash Flows$667,963 $340,608 $867,298