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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) shares in Thousands, $ in Thousands | Mandatory Convertible Preferred Shares Preferred Stock | Common Shares | Capital in Excess of Par Value | Accumulated Other Comprehensive Income | Retained Earnings | Treasury Shares | Non-controlling Interest | 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 |  |  |  |  |  |
Increase (Decrease) in Equity |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  | (342,953) |  | 3,492 | (339,461)
Dividends to common shareholders |  |  |  |  | (40,511) |  |  | (40,511)
Dividends to preferred shareholders |  |  |  |  | (3,680) |  |  | (3,680)
Common share issuance |  | $ 40 | 301,974 |  |  |  |  | 302,014
Common share issuance (in shares) |  | 40,250 |  |  |  |  |  |
Convertible preferred stock issuance | $ 6 |  | 278,566 |  |  |  |  | 278,572
Convertible preferred stock issuance (in shares) | 5,750 |  |  |  |  |  |  |
Other comprehensive income (loss), net of tax |  |  |  | (23,758) |  |  | (159) | (23,917)
Share-based compensation |  |  | 14,732 |  |  |  |  | 14,732
Adjustment to retained earnings | Accounting Standards Update 2016-01 |  |  |  |  | 9,144 |  |  | 9,144
Adjustment to retained earnings | Accounting Standards Update 2016-16 |  |  |  |  | (34,132) |  |  | (34,132)
Adjustment to retained earnings |  |  |  | (9,144) |  |  |  |
Noncontrolling interest contributions (distributions) |  |  |  |  |  |  | (4,676) | (4,676)
Less: accrued distribution on redeemable noncontrolling interest in subsidiary |  |  |  |  | (4,522) |  |  | (4,522)
Other |  | $ 2 | (3,690) |  |  |  |  | (3,688)
Other (in shares) |  | 2,492 |  |  |  |  |  |
Balance at the end of the period at Jun. 30, 2018 | $ 6 | $ 410 | 3,382,711 | (12,573) | 1,006,500 | (1,314,020) | 25,614 | 3,088,648
Balance (in shares) at Jun. 30, 2018 | 5,750 | 410,252 |  |  |  |  |  |
Balance at the beginning of the period at Mar. 31, 2018 |  | $ 370 | 2,797,893 | (7,151) | 1,232,516 | (1,314,020) | 27,400 | 2,737,008
Balance (in shares) at Mar. 31, 2018 |  | 370,320 |  |  |  |  |  |
Increase (Decrease) in Equity |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  | (198,752) |  | 2,953 | (195,799)
Dividends to common shareholders |  |  |  |  | (21,460) |  |  | (21,460)
Dividends to preferred shareholders |  |  |  |  | (3,680) |  |  | (3,680)
Common share issuance |  | $ 40 | 301,974 |  |  |  |  | 302,014
Common share issuance (in shares) |  | 40,250 |  |  |  |  |  |
Convertible preferred stock issuance | $ 6 |  | 278,566 |  |  |  |  | 278,572
Convertible preferred stock issuance (in shares) | 5,750 |  |  |  |  |  |  |
Other comprehensive income (loss), net of tax |  |  |  | (5,422) |  |  | (63) | (5,485)
Share-based compensation |  |  | 6,104 |  |  |  |  | 6,104
Noncontrolling interest contributions (distributions) |  |  |  |  |  |  | (4,676) | (4,676)
Less: accrued distribution on redeemable noncontrolling interest in subsidiary |  |  |  |  | (2,124) |  |  | (2,124)
Other |  |  | (1,826) |  |  |  |  | (1,826)
Other (in shares) |  | (318) |  |  |  |  |  |
Balance at the end of the period at Jun. 30, 2018 | $ 6 | $ 410 | 3,382,711 | (12,573) | 1,006,500 | (1,314,020) | 25,614 | 3,088,648
Balance (in shares) at Jun. 30, 2018 | 5,750 | 410,252 |  |  |  |  |  |
Balance at the beginning 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 | 409,652 |  |  |  |  |  |
Increase (Decrease) in Equity |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  | (321,273) |  | 24,905 | (296,368)
Dividends to common shareholders |  |  |  |  | (7,581) |  |  | (7,581)
Dividends to preferred shareholders |  |  |  |  | (8,625) |  |  | (8,625)
Repurchase of preferred shares |  |  | (79) |  |  |  |  | (79)
Repurchase of preferred shares (in shares) | (4) |  |  |  |  |  |  |
Other comprehensive income (loss), net of tax |  |  |  | 15,835 |  |  | 59 | 15,894
Share-based compensation |  |  | 14,164 |  |  |  |  | 14,164
Adjustment to retained earnings |  |  |  |  |  |  |  | 0
Noncontrolling interest contributions (distributions) |  |  |  |  |  |  | (813) | (813)
Less: accrued distribution on redeemable noncontrolling interest in subsidiary |  |  |  |  | (10,182) |  |  | (10,182)
Other |  | $ 6 | (1,601) |  |  |  |  | (1,595)
Other (in shares) |  | 6,630 |  |  |  |  |  |
Balance at the end of the period at Jun. 30, 2019 | $ 6 | $ 416 | 3,405,421 | (13,490) | 303,181 | (1,314,020) | 73,627 | 2,455,141
Balance (in shares) at Jun. 30, 2019 | 5,746 | 416,282 |  |  |  |  |  |
Balance at the beginning of the period at Mar. 31, 2019 | $ 6 | $ 416 | 3,400,110 | (19,987) | 519,810 | (1,314,020) | 63,704 | 2,650,039
Balance (in shares) at Mar. 31, 2019 | 5,750 | 415,916 |  |  |  |  |  |
Increase (Decrease) in Equity |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  | (203,564) |  | 10,729 | (192,835)
Dividends to common shareholders |  |  |  |  | (3,634) |  |  | (3,634)
Dividends to preferred shareholders |  |  |  |  | (4,312) |  |  | (4,312)
Repurchase of preferred shares |  |  | (79) |  |  |  |  | (79)
Repurchase of preferred shares (in shares) | (4) |  |  |  |  |  |  |
Other comprehensive income (loss), net of tax |  |  |  | 6,497 |  |  | 7 | 6,504
Share-based compensation |  |  | 5,740 |  |  |  |  | 5,740
Noncontrolling interest contributions (distributions) |  |  |  |  |  |  | (813) | (813)
Less: accrued distribution on redeemable noncontrolling interest in subsidiary |  |  |  |  | (5,119) |  |  | (5,119)
Other |  |  | (350) |  |  |  |  | (350)
Other (in shares) |  | 366 |  |  |  |  |  |
Balance at the end of the period at Jun. 30, 2019 | $ 6 | $ 416 | $ 3,405,421 | $ (13,490) | $ 303,181 | $ (1,314,020) | $ 73,627 | $ 2,455,141
Balance (in shares) at Jun. 30, 2019 | 5,746 | 416,282 |  |  |  |  |  |

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- Definition Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4568740-111683 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4I -URI http://asc.fasb.org/extlink&oid=116874947&loc=SL4590271-111686 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4568447-111683 + Details
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- Definition This element represents movements included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy. + References No definition available. + Details
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