XML 36 R53.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Description of Business and Summary of Significant Accounting Policies - Schedule of Cash and Cash Equivalents (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Accounting Policies [Abstract]        
Cash and cash equivalents $ 73,228 $ 137,858 $ 63,895  
Restricted cash 35,051 8,317 4,040  
Restricted cash included in other long-term assets 3,090 3,506 2,932  
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows $ 111,369 $ 149,681 $ 70,867 $ 116,941