Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Cash and Restricted Cash (Details)

v3.19.3
Summary of Significant Accounting Policies - Cash and Restricted Cash (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Sep. 30, 2018
Restricted Cash and Cash Equivalents [Abstract]      
Beginning of period, cash $ 226,625 $ 242,936 $ 202,525
Beginning of period, restricted cash, current and long-term 77,774 32,197 39,265
Cash and restricted cash, beginning of period 304,399 275,133 241,790
End of period, cash 324,698 226,625 242,936
End of period, restricted cash, current and long-term 48,714 77,774 32,197
Cash and restricted cash, end of period $ 373,412 $ 304,399 $ 275,133