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STATEMENT OF CHANGES IN EQUITY - 6 months ended Jun. 30, 2018 - USD ($) $ in Thousands | Total | Common Stock [Member] | Paid-in Capital [Member] | Retained Earnings [Member] | Treasury Stock [Member] | Accumulated Other Comprehensive Income (Loss) [Member]
--- | --- | --- | --- | --- | --- | ---
Shares issued, beginning balance at Dec. 31, 2017 | 52,598,005 | 52,598,005 |  |  |  |
Equity, beginning balance at Dec. 31, 2017 | $ 1,960,209 | $ 526 | $ 1,737,551 | $ 246,121 | $ (18,496) | $ (5,493)
Net income | 111,254 | 0 | 0 | 111,254 | 0 | 0
Other comprehensive income | 123 | $ 0 | 0 | 0 |  | 123
Common stock issued, shares |  | 0 |  |  |  |
Common stock issued, value | (970) | $ 0 | (14,207) | 0 | 13,237 | 0
Common stock dividends - $0.92 per share | $ (48,272) | $ 0 | 451 | (48,723) | 0 | 0
Shares issued, ending balance at Jun. 30, 2018 | 52,598,005 | 52,598,005 |  |  |  |
Equity, ending balance at Jun. 30, 2018 | $ 2,022,344 | $ 526 | $ 1,723,795 | $ 308,652 | $ (5,259) | $ (5,370)

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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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