Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATING FINANCIAL INFORMATION (Cash Flows) (Details)

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CONDENSED CONSOLIDATING FINANCIAL INFORMATION (Cash Flows) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities $ 130,838 $ 239,765
Net cash used in investing activities (69,809) (245,563)
Net cash (used in) provided by financing activities (65,456) (28,503)
Net decrease in cash, cash equivalents and restricted cash (4,427) (34,301)
Cash, cash equivalents and restricted cash at beginning of period 6,060 52,297
Cash, cash equivalents and restricted cash at end of period 1,633 17,996
Reportable legal entities | Parent    
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities 64,033 210,928
Net cash used in investing activities (448) (200,970)
Net cash (used in) provided by financing activities (65,456) (28,503)
Net decrease in cash, cash equivalents and restricted cash (1,871) (18,545)
Cash, cash equivalents and restricted cash at beginning of period 2,768 25,585
Cash, cash equivalents and restricted cash at end of period 897 7,040
Reportable legal entities | Guarantors    
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities 66,805 28,837
Net cash used in investing activities (69,361) (44,593)
Net cash (used in) provided by financing activities 0 0
Net decrease in cash, cash equivalents and restricted cash (2,556) (15,756)
Cash, cash equivalents and restricted cash at beginning of period 3,097 26,711
Cash, cash equivalents and restricted cash at end of period 541 10,955
Reportable legal entities | Non-Guarantors    
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities (435) (1)
Net cash used in investing activities 0 (432)
Net cash (used in) provided by financing activities 435 433
Net decrease in cash, cash equivalents and restricted cash 0 0
Cash, cash equivalents and restricted cash at beginning of period 195 1
Cash, cash equivalents and restricted cash at end of period 195 1
Eliminations    
Condensed Financial Statements, Captions [Line Items]    
Net cash provided by (used in) operating activities 435 1
Net cash used in investing activities 0 432
Net cash (used in) provided by financing activities (435) (433)
Net decrease in cash, cash equivalents and restricted cash 0 0
Cash, cash equivalents and restricted cash at beginning of period 0 0
Cash, cash equivalents and restricted cash at end of period $ 0 $ 0