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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands | Mandatory Convertible Preferred Shares Preferred Stock | Mandatory Convertible Preferred Shares | Common Stock | Capital in Excess of Par Value | Accumulated Other Comprehensive Income | Retained Earnings (Accumulated Deficit) Cumulative effect period of adoption adjustment | Retained Earnings (Accumulated Deficit) | Treasury Shares | Non-controlling Interest | Cumulative effect period of adoption adjustment | Total
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at the beginning of the period at Dec. 31, 2017 |  |  | $ 368 | $ 2,791,129 | $ 11,185 |  | $ 1,423,154 | $ (1,314,020) | $ 26,957 |  | $ 2,938,773
Balance (in shares) at Dec. 31, 2017 |  |  | 367,510,000 |  |  |  |  |  |  |  |
Increase (Decrease) in Equity |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  | (640,948) |  | 28,222 |  | (612,726)
Dividends declared to common shareholders |  |  |  |  |  |  | (82,973) |  |  |  | (82,973)
Dividends declared to preferred shareholders |  |  |  |  |  |  | (12,305) |  |  |  | (12,305)
Common share issuance |  |  | $ 40 | 301,363 |  |  |  |  |  |  | 301,403
Common share issuance (in shares) |  |  | 40,250,000 |  |  |  |  |  |  |  |
Convertible preferred share issuance | $ 6 |  |  | 277,921 |  |  |  |  |  |  | 277,927
Convertible preferred share issuance (in shares) | 5,750,000 |  |  |  |  |  |  |  |  |  |
Other comprehensive income (loss), net of tax |  |  |  |  | (40,510) |  |  |  | (251) |  | (40,761)
Share-based compensation |  |  |  | 26,396 |  |  |  |  |  |  | 26,396
Noncontrolling interest contributions (distributions) |  |  |  |  |  |  |  |  | (5,452) |  | (5,452)
Accrued distribution on redeemable noncontrolling interest in subsidiary |  |  |  |  |  |  | (11,098) |  |  |  | (11,098)
Other |  |  | $ 2 | (3,872) |  |  |  |  |  |  | (3,870)
Other (in shares) |  |  | 1,892,000 |  |  |  |  |  |  |  |
Balance at the end of the period at Dec. 31, 2018 | $ 6 |  | $ 410 | 3,392,937 | (29,325) |  | 650,842 | (1,314,020) | 49,476 |  | 2,750,326
Balance (in shares) at Dec. 31, 2018 | 5,750,000 |  | 409,652,000 |  |  |  |  |  |  |  |
Increase (Decrease) in Equity |  |  |  |  |  |  |  |  |  |  |
Adoption of ASU | Accounting Standards Update 2016-01 |  |  |  |  |  | $ 9,144 |  |  |  | $ 9,144 |
Adoption of ASU | Accounting Standards Update 2016-16 |  |  |  |  |  | $ (34,132) |  |  |  | $ (34,132) |
Net income (loss) |  |  |  |  |  |  | (702,885) |  | 22,375 |  | (680,510)
Dividends declared to common shareholders |  |  |  |  |  |  | (14,953) |  |  |  | (14,953)
Dividends declared to preferred shareholders |  |  |  |  |  |  | (17,245) |  |  |  | (17,245)
Repurchase of shares |  | $ (2,900) |  |  |  |  |  |  |  |  |
Repurchase of shares (in shares) |  | (136,772) |  |  |  |  |  |  |  |  |
Other comprehensive income (loss), net of tax |  |  |  |  | 17,537 |  |  |  | 55 |  | 17,592
Share-based compensation |  |  |  | 24,659 |  |  |  |  |  |  | 24,659
Noncontrolling interest contributions (distributions) |  |  |  |  |  |  |  |  | (4,552) |  | (4,552)
Accrued distribution on redeemable noncontrolling interest in subsidiary |  |  |  |  |  |  | (20,534) |  |  |  | (20,534)
Other |  |  | $ 6 | (4,624) |  |  |  |  |  |  | (4,618)
Other (in shares) | (137,000) |  | 6,546,000 |  |  |  |  |  |  |  |
Balance at the end of the period at Dec. 31, 2019 | $ 6 |  | $ 416 | 3,412,972 | (11,788) |  | (104,775) | (1,314,020) | 67,354 |  | 2,050,165
Balance (in shares) at Dec. 31, 2019 | 5,613,000 |  | 416,198,000 |  |  |  |  |  |  |  |
Increase (Decrease) in Equity |  |  |  |  |  |  |  |  |  |  |
Adoption of ASU |  |  |  |  |  |  |  |  |  |  | (104,775)
Net income (loss) |  |  |  |  |  |  | (805,641) |  | 42,795 |  | (762,846)
Dividends declared to common shareholders |  |  |  |  |  |  | (3,632) |  |  |  | (3,632)
Dividends declared to preferred shareholders |  |  |  |  |  |  | (14,610) |  |  |  | (14,610)
Repurchase of shares | $ (1) | $ (15,000) |  | (12,127) |  |  |  | $ (1,731) |  |  | (13,859)
Repurchase of shares (in shares) | (743,000) | (900,000) |  |  |  |  |  | (34,000) |  |  |
Other comprehensive income (loss), net of tax |  |  |  |  | 664 |  |  |  |  |  | 664
Share-based compensation |  |  |  | 24,638 |  |  |  |  |  |  | 24,638
Noncontrolling interest contributions (distributions) |  |  |  |  |  |  |  |  | (5,082) |  | (5,082)
Accrued distribution on redeemable noncontrolling interest in subsidiary |  |  |  |  |  |  | (17,442) |  |  |  | (17,442)
Other |  |  | $ 3 | (1,548) |  |  |  |  | 357 |  | (1,188)
Other (in shares) |  |  | (407,815,000) |  |  |  |  |  |  |  |
Balance at the end of the period at Dec. 31, 2020 | $ 5 |  | $ 419 | $ 3,423,935 | $ (11,124) |  | $ (946,100) | $ (1,315,751) | $ 105,424 |  | 1,256,808
Balance (in shares) at Dec. 31, 2020 | 4,870,000 |  | 8,383,000 |  |  |  |  |  |  |  |
Increase (Decrease) in Equity |  |  |  |  |  |  |  |  |  |  |
Adoption of ASU |  |  |  |  |  |  |  |  |  |  | $ (946,100)

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