CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (UNAUDITED) - USD ($) $ in Thousands |
Total |
Cumulative Effect, Period of Adoption, Adjustment |
Common Stock [Member] |
Additional Paid-in Capital [Member] |
Accumulated Deficit [Member] |
Accumulated Deficit [Member]
Cumulative Effect, Period of Adoption, Adjustment
|
Cost of Shares Held in Treasury [Member] |
Accumulated Other Comprehensive Income (Loss) [Member] |
Noncontrolling Interest [Member] |
Redeemable Noncontrolling Interests [Member] |
Balances (in shares) at Dec. 31, 2019 |
|
|
211,262,062
|
|
|
|
|
|
|
|
Balances at Dec. 31, 2019 |
$ 1,463,954
|
$ (2,964)
|
$ 2,113
|
$ 2,245,619
|
$ (949,334)
|
$ (2,964)
|
$ (6,865)
|
$ (145,713)
|
$ 318,134
|
|
Equity [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
Non-cash and stock-based compensation |
50,270
|
|
|
50,270
|
|
|
|
|
|
|
Common stock issued under stock plans, net of shares withheld for employee taxes (in shares) |
|
|
341,249
|
|
|
|
|
|
|
|
Common stock issued under stock plans, net of shares withheld for employee taxes |
(7,662)
|
|
$ 3
|
(7,665)
|
|
|
|
|
|
|
Exercise of stock options, net of shares withheld for option cost and employee taxes (in shares) |
|
|
919,836
|
|
|
|
|
|
|
|
Exercise of stock options, net of shares withheld for option cost and employee taxes |
1,728
|
|
$ 9
|
1,719
|
|
|
|
|
|
|
Fair value of convertible debt conversion feature, net of issuance cost |
33,347
|
|
|
33,347
|
|
|
|
|
|
|
Acquisitions |
35,322
|
|
|
|
|
|
|
|
35,322
|
|
Divestitures |
(593)
|
|
|
|
|
|
|
|
(593)
|
|
Purchases of noncontrolling interests |
(7,971)
|
|
|
(6,939)
|
|
|
|
|
(1,032)
|
|
Sales of noncontrolling interests |
31,000
|
|
|
(8,161)
|
|
|
|
|
39,161
|
|
Redeemable noncontrolling interests fair value adjustments |
(12,945)
|
|
|
(12,945)
|
|
|
|
|
|
|
Contributions received |
1,467
|
|
|
|
|
|
|
|
1,467
|
|
Cash distributions |
(12,683)
|
|
|
|
|
|
|
|
(12,683)
|
|
Other |
(621)
|
|
|
176
|
|
|
|
|
(445)
|
|
Comprehensive income (loss): |
|
|
|
|
|
|
|
|
|
|
Net income (loss) |
(791,213)
|
|
|
|
(752,301)
|
|
|
|
(38,912)
|
|
Unrealized gain (loss) on cash flow hedge |
(36,596)
|
|
|
|
|
|
|
(36,596)
|
|
|
Realized loss on cash flow hedge |
1,353
|
|
|
|
|
|
|
1,353
|
|
|
Foreign currency translation adjustments |
(62,849)
|
|
|
|
|
|
|
(62,849)
|
|
|
Balances at Jun. 30, 2020 |
683,530
|
|
$ 2,125
|
2,295,069
|
(1,704,599)
|
|
(6,865)
|
(243,805)
|
341,605
|
|
Balances (in shares) at Jun. 30, 2020 |
|
|
212,523,147
|
|
|
|
|
|
|
|
Balances at Dec. 31, 2019 |
|
|
|
|
|
|
|
|
|
$ 449,498
|
Redeemable Noncontrolling Interests [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
Acquisitions |
|
|
|
|
|
|
|
|
|
11,899
|
Purchases of noncontrolling interests |
|
|
|
|
|
|
|
|
|
(96,190)
|
Redeemable noncontrolling interests fair value adjustments |
|
|
|
|
|
|
|
|
|
12,945
|
Contribution received |
|
|
|
|
|
|
|
|
|
0
|
Cash distributions |
|
|
|
|
|
|
|
|
|
(13,632)
|
Other |
|
|
|
|
|
|
|
|
|
1
|
Comprehensive income (loss): |
|
|
|
|
|
|
|
|
|
|
Net income (loss) |
|
|
|
|
|
|
|
|
|
(30,293)
|
Balances at Jun. 30, 2020 |
|
|
|
|
|
|
|
|
|
334,228
|
Balances (in shares) at Mar. 31, 2020 |
|
|
211,834,739
|
|
|
|
|
|
|
|
Balances at Mar. 31, 2020 |
1,230,832
|
|
$ 2,118
|
2,260,509
|
(1,137,082)
|
|
(6,865)
|
(259,326)
|
371,478
|
|
Equity [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
Non-cash and stock-based compensation |
38,538
|
|
|
38,538
|
|
|
|
|
|
|
Common stock issued under stock plans, net of shares withheld for employee taxes (in shares) |
|
|
79,079
|
|
|
|
|
|
|
|
Common stock issued under stock plans, net of shares withheld for employee taxes |
(216)
|
|
$ 1
|
(217)
|
|
|
|
|
|
|
Exercise of stock options, net of shares withheld for option cost and employee taxes (in shares) |
|
|
609,329
|
|
|
|
|
|
|
|
Exercise of stock options, net of shares withheld for option cost and employee taxes |
(4,728)
|
|
$ 6
|
(4,734)
|
|
|
|
|
|
|
Fair value of convertible debt conversion feature, net of issuance cost |
17
|
|
|
17
|
|
|
|
|
|
|
Acquisitions |
4,157
|
|
|
|
|
|
|
|
4,157
|
|
Divestitures |
(593)
|
|
|
|
|
|
|
|
(593)
|
|
Purchases of noncontrolling interests |
(454)
|
|
|
(454)
|
|
|
|
|
0
|
|
Redeemable noncontrolling interests fair value adjustments |
1,595
|
|
|
1,595
|
|
|
|
|
|
|
Contributions received |
1,391
|
|
|
|
|
|
|
|
1,391
|
|
Cash distributions |
(7,915)
|
|
|
|
|
|
|
|
(7,915)
|
|
Other |
(686)
|
|
|
(185)
|
|
|
|
|
(501)
|
|
Comprehensive income (loss): |
|
|
|
|
|
|
|
|
|
|
Net income (loss) |
(595,115)
|
|
|
|
(567,517)
|
|
|
|
(27,598)
|
|
Unrealized gain (loss) on cash flow hedge |
(5,765)
|
|
|
|
|
|
|
(5,765)
|
|
|
Realized loss on cash flow hedge |
1,353
|
|
|
|
|
|
|
1,353
|
|
|
Foreign currency translation adjustments |
19,933
|
|
|
|
|
|
|
19,933
|
|
|
Balances at Jun. 30, 2020 |
683,530
|
|
$ 2,125
|
2,295,069
|
(1,704,599)
|
|
(6,865)
|
(243,805)
|
341,605
|
|
Balances (in shares) at Jun. 30, 2020 |
|
|
212,523,147
|
|
|
|
|
|
|
|
Balances at Mar. 31, 2020 |
|
|
|
|
|
|
|
|
|
443,606
|
Redeemable Noncontrolling Interests [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
Acquisitions |
|
|
|
|
|
|
|
|
|
751
|
Purchases of noncontrolling interests |
|
|
|
|
|
|
|
|
|
(89,779)
|
Redeemable noncontrolling interests fair value adjustments |
|
|
|
|
|
|
|
|
|
(1,595)
|
Contribution received |
|
|
|
|
|
|
|
|
|
0
|
Cash distributions |
|
|
|
|
|
|
|
|
|
(3,287)
|
Other |
|
|
|
|
|
|
|
|
|
1
|
Comprehensive income (loss): |
|
|
|
|
|
|
|
|
|
|
Net income (loss) |
|
|
|
|
|
|
|
|
|
(15,469)
|
Balances at Jun. 30, 2020 |
|
|
|
|
|
|
|
|
|
334,228
|
Balances (in shares) at Dec. 31, 2020 |
|
|
214,466,988
|
|
|
|
|
|
|
|
Balances at Dec. 31, 2020 |
(133,752)
|
|
$ 2,145
|
2,386,790
|
(2,676,833)
|
|
(6,865)
|
(177,009)
|
338,020
|
|
Equity [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
Non-cash and stock-based compensation |
52,847
|
|
|
52,847
|
|
|
|
|
|
|
Common stock issued under stock plans, net of shares withheld for employee taxes (in shares) |
|
|
661,549
|
|
|
|
|
|
|
|
Common stock issued under stock plans, net of shares withheld for employee taxes |
(20,063)
|
|
$ 7
|
(20,070)
|
|
|
|
|
|
|
Exercise of stock options, net of shares withheld for option cost and employee taxes (in shares) |
|
|
1,259,940
|
|
|
|
|
|
|
|
Exercise of stock options, net of shares withheld for option cost and employee taxes |
9,936
|
|
$ 12
|
9,924
|
|
|
|
|
|
|
Acquisitions |
0
|
|
|
|
|
|
|
|
0
|
|
Divestitures |
0
|
|
|
|
|
|
|
|
0
|
|
Purchases of noncontrolling interests |
1,198
|
|
|
3,775
|
|
|
|
|
(2,577)
|
|
Sales of noncontrolling interests |
9,029
|
|
|
161
|
|
|
|
|
8,868
|
|
Redeemable noncontrolling interests fair value adjustments |
35
|
|
|
35
|
|
|
|
|
|
|
Contributions received |
15,193
|
|
|
|
|
|
|
|
15,193
|
|
Cash distributions |
(12,511)
|
|
|
|
|
|
|
|
(12,511)
|
|
Other |
(2,121)
|
|
|
0
|
|
|
|
|
(2,121)
|
|
Comprehensive income (loss): |
|
|
|
|
|
|
|
|
|
|
Net income (loss) |
(514,571)
|
|
|
|
(502,858)
|
|
|
|
(11,713)
|
|
Unrealized gain (loss) on cash flow hedge |
9,308
|
|
|
|
|
|
|
9,308
|
|
|
Realized loss on cash flow hedge |
3,862
|
|
|
|
|
|
|
3,862
|
|
|
Foreign currency translation adjustments |
2,007
|
|
|
|
|
|
|
2,007
|
|
|
Balances at Jun. 30, 2021 |
(579,603)
|
|
$ 2,164
|
2,433,462
|
(3,179,691)
|
|
(6,865)
|
(161,832)
|
333,159
|
|
Balances (in shares) at Jun. 30, 2021 |
|
|
216,388,477
|
|
|
|
|
|
|
|
Balances at Dec. 31, 2020 |
272,449
|
|
|
|
|
|
|
|
|
272,449
|
Redeemable Noncontrolling Interests [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
Acquisitions |
|
|
|
|
|
|
|
|
|
598
|
Purchases of noncontrolling interests |
|
|
|
|
|
|
|
|
|
(1,698)
|
Redeemable noncontrolling interests fair value adjustments |
|
|
|
|
|
|
|
|
|
(35)
|
Contribution received |
|
|
|
|
|
|
|
|
|
95
|
Cash distributions |
|
|
|
|
|
|
|
|
|
(2,031)
|
Other |
|
|
|
|
|
|
|
|
|
0
|
Comprehensive income (loss): |
|
|
|
|
|
|
|
|
|
|
Net income (loss) |
|
|
|
|
|
|
|
|
|
(18,611)
|
Balances at Jun. 30, 2021 |
250,767
|
|
|
|
|
|
|
|
|
250,767
|
Balances (in shares) at Mar. 31, 2021 |
|
|
216,027,546
|
|
|
|
|
|
|
|
Balances at Mar. 31, 2021 |
(394,114)
|
|
$ 2,160
|
2,431,387
|
(2,984,026)
|
|
(6,865)
|
(173,216)
|
336,446
|
|
Equity [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
Non-cash and stock-based compensation |
12,830
|
|
|
12,830
|
|
|
|
|
|
|
Common stock issued under stock plans, net of shares withheld for employee taxes (in shares) |
|
|
95,264
|
|
|
|
|
|
|
|
Common stock issued under stock plans, net of shares withheld for employee taxes |
(119)
|
|
$ 2
|
(121)
|
|
|
|
|
|
|
Exercise of stock options, net of shares withheld for option cost and employee taxes (in shares) |
|
|
265,667
|
|
|
|
|
|
|
|
Exercise of stock options, net of shares withheld for option cost and employee taxes |
(15,858)
|
|
$ 2
|
(15,860)
|
|
|
|
|
|
|
Acquisitions |
0
|
|
|
|
|
|
|
|
0
|
|
Divestitures |
0
|
|
|
|
|
|
|
|
0
|
|
Purchases of noncontrolling interests |
1,698
|
|
|
4,275
|
|
|
|
|
(2,577)
|
|
Redeemable noncontrolling interests fair value adjustments |
951
|
|
|
951
|
|
|
|
|
|
|
Contributions received |
13,471
|
|
|
|
|
|
|
|
13,471
|
|
Cash distributions |
(8,034)
|
|
|
|
|
|
|
|
(8,034)
|
|
Other |
(2,121)
|
|
|
0
|
|
|
|
|
(2,121)
|
|
Comprehensive income (loss): |
|
|
|
|
|
|
|
|
|
|
Net income (loss) |
(199,691)
|
|
|
|
(195,665)
|
|
|
|
(4,026)
|
|
Unrealized gain (loss) on cash flow hedge |
(5,788)
|
|
|
|
|
|
|
(5,788)
|
|
|
Realized loss on cash flow hedge |
1,946
|
|
|
|
|
|
|
1,946
|
|
|
Foreign currency translation adjustments |
15,226
|
|
|
|
|
|
|
15,226
|
|
|
Balances at Jun. 30, 2021 |
(579,603)
|
|
$ 2,164
|
$ 2,433,462
|
$ (3,179,691)
|
|
$ (6,865)
|
$ (161,832)
|
$ 333,159
|
|
Balances (in shares) at Jun. 30, 2021 |
|
|
216,388,477
|
|
|
|
|
|
|
|
Balances at Mar. 31, 2021 |
|
|
|
|
|
|
|
|
|
264,384
|
Redeemable Noncontrolling Interests [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
Acquisitions |
|
|
|
|
|
|
|
|
|
598
|
Purchases of noncontrolling interests |
|
|
|
|
|
|
|
|
|
(1,698)
|
Redeemable noncontrolling interests fair value adjustments |
|
|
|
|
|
|
|
|
|
(951)
|
Contribution received |
|
|
|
|
|
|
|
|
|
95
|
Cash distributions |
|
|
|
|
|
|
|
|
|
(892)
|
Other |
|
|
|
|
|
|
|
|
|
0
|
Comprehensive income (loss): |
|
|
|
|
|
|
|
|
|
|
Net income (loss) |
|
|
|
|
|
|
|
|
|
(10,769)
|
Balances at Jun. 30, 2021 |
$ 250,767
|
|
|
|
|
|
|
|
|
$ 250,767
|