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Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Treasury Stock, Common [Member] | Additional Paid-in Capital [Member] | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Noncontrolling Interest [Member]
--- | --- | --- | --- | --- | --- | --- | ---
Treasury Stock, Value |  |  | 0 |  |  |  |
January 1, 2017 at Dec. 31, 2016 |  | 307,545 |  |  |  |  |
January 1, 2017 at Dec. 31, 2016 | $ 3,442,949 | $ 3,075 | $ 0 | $ 1,116,690 | $ 2,590,359 | $ (267,175) | $ 0
Net income | (530,228) |  |  |  | (533,744) |  | (3,516)
Other comprehensive income | 196,699 |  |  |  |  | 196,699 |
Vesting of restricted stock units, net of shares withheld for employee tax |  | 749 |  |  |  |  |
Vesting of restricted stock units, net of shares withheld for employee tax | (4,325) | $ 7 |  | (4,332) |  |  |
Stock-based compensation expense | 22,832 |  |  | 22,832 |  |  |
Exercise of stock options |  | 867 |  |  |  |  |
Exercise of stock options | 7,470 | $ 9 |  | 7,461 |  |  |
January 1, 2017 at Dec. 31, 2017 |  | 309,127 |  |  |  |  |
January 1, 2017 at Dec. 31, 2017 | 4,206,653 | $ 3,091 | $ 0 | 1,141,451 | 3,124,103 | (70,476) | 8,484
Stock issued in acquisitions | 0 |  |  |  |  |  |
Tax withholdings related to net share settlements of stock-based compensation awards |  | (34) |  |  |  |  |
Tax withholdings related to net share settlements of stock-based compensation awards | 1,200 | $ 0 |  | 1,200 |  |  |
Sale of subsidiary shares to noncontrolling interest | 12,000 |  |  |  |  |  | 12,000
Treasury Stock, Value |  |  | 0 |  |  |  |
Net income | (483,168) |  |  |  | (480,118) |  | 3,050
Other comprehensive income | (109,819) |  |  |  |  | (109,819) |
Vesting of restricted stock units, net of shares withheld for employee tax |  | 603 |  |  |  |  |
Vesting of restricted stock units, net of shares withheld for employee tax | (3,796) | $ 6 |  | (3,802) |  |  |
Stock-based compensation expense | 22,760 |  |  | 22,760 |  |  |
Exercise of stock options |  | 686 |  |  |  |  |
Exercise of stock options | 5,303 | $ 7 |  | 5,296 |  |  |
January 1, 2017 at Dec. 31, 2018 |  | 318,418 |  |  |  |  |
January 1, 2017 at Dec. 31, 2018 | 4,838,752 | $ 3,184 | $ (60,000) | 1,415,188 | 3,598,876 | (174,950) | 56,454
Stock issued in acquisitions |  | 8,056 |  |  |  |  |
Stock issued in acquisitions | 251,334 | $ 81 |  | 251,253 |  |  |
Treasury Stock, Shares, Acquired |  |  | (2,272) |  |  |  |
Treasury Stock, Value, Acquired, Cost Method | (60,000) |  | $ (60,000) |  |  |  |
Tax withholdings related to net share settlements of stock-based compensation awards |  | (54) |  |  |  |  |
Tax withholdings related to net share settlements of stock-based compensation awards | 1,771 | $ (1) |  | (1,770) |  |  |
Adoption of ASU 2018-02 (see Note 4) | 5,345 |  |  |  | (5,345) | 5,345 |
Capital contributions from, net of dividends declared to, noncontrolling interest shareholder | 810 |  |  |  |  |  | 810
Acquired noncontrolling interest | 44,110 |  |  |  |  |  | 44,110
Treasury Stock, Value |  |  | (2,272) |  |  |  |
Net income | (545,034) |  |  |  | (541,260) |  | (3,774)
Other comprehensive income | (25,935) |  |  |  |  | (25,935) |
Vesting of restricted stock units, net of shares withheld for employee tax |  | 719 |  |  |  |  |
Vesting of restricted stock units, net of shares withheld for employee tax | (2,084) | $ 7 |  | (2,091) |  |  |
Stock-based compensation expense | 27,695 |  |  | 27,695 |  |  |
Exercise of stock options |  | 927 |  |  |  |  |
Exercise of stock options | 9,055 | $ 9 |  | 9,046 |  |  |
January 1, 2017 at Dec. 31, 2019 |  | 319,927 |  |  |  |  |
January 1, 2017 at Dec. 31, 2019 | 5,048,580 | $ 3,199 | $ (351,813) | 1,418,239 | $ 4,140,136 | $ (200,885) | 39,704
Stock issued in acquisitions | 0 |  |  |  |  |  |
Treasury Stock, Shares, Acquired |  |  | (10,924) |  |  |  |
Treasury Stock, Value, Acquired, Cost Method | (291,813) |  | $ (291,813) |  |  |  |
Tax withholdings related to net share settlements of stock-based compensation awards |  | (137) |  |  |  |  |
Tax withholdings related to net share settlements of stock-based compensation awards | (4,495) | $ 1 |  | 4,494 |  |  |
Capital contributions from, net of dividends declared to, noncontrolling interest shareholder | (8,474) |  |  |  |  |  | (8,474)
Acquired noncontrolling interest | 10,365 |  |  |  |  |  | 10,365
Purchase and modification of noncontrolling interests (2) | $ (49,520) |  |  | $ (27,105) |  |  | $ (22,415)
Treasury Stock, Value |  |  | (13,196) |  |  |  |

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- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration