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Equity (Tables) | 9 Months Ended
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Sep. 30, 2019
Equity [Abstract] |
Schedule of changes in total common stockholders' equity | The Company’s changes in total common stockholders’ equity for the nine months ended September 30, 2019 and 2018 were as follows:
| Nine months ended September 30, 2019
| Common Stock |  | Additional Paid-in Capital |  | Retained Earnings |  | Total Stockholders' Equity
| Shares |  | Amount |  |  |
| (In thousands)
Balance at January 1, 2019 | 48,065 |  |  | $ | 481 |  |  | $ | 337,623 |  |  | $ | 392,053 |  |  | $ | 730,157 |
Net loss |  |  |  |  |  |  | (7,640 | ) |  | (7,640 | )
Issuance of common stock | 109 |  |  | — |  |  | 3,179 |  |  | — |  |  | 3,179 |
Repurchase of common stock | (40 | ) |  | — |  |  | (2,074 | ) |  | — |  |  | (2,074 | )
Dividends paid on common stock ($0.1975 per share) |  |  |  |  |  |  | (9,493 | ) |  | (9,493 | )
Balance at March 31, 2019 | 48,134 |  |  | 481 |  |  | 338,728 |  |  | 374,920 |  |  | 714,129 |
Net income |  |  |  |  |  |  | 16,996 |  |  | 16,996 |
Issuance of common stock | 8 |  |  | — |  |  | 1,675 |  |  | — |  |  | 1,675 |
Repurchase of common stock | (2 | ) |  | — |  |  | (129 | ) |  | — |  |  | (129 | )
Dividends paid on common stock ($0.1975 per share) |  |  |  |  |  |  | (9,507 | ) |  | (9,507 | )
Balance at June 30, 2019 | 48,140 |  |  | 481 |  |  | 340,274 |  |  | 382,409 |  |  | 723,164 |
Net income |  |  |  |  |  |  | 42,424 |  |  | 42,424 |
Issuance of common stock | 9 |  |  | — |  |  | 1,866 |  |  | — |  |  | 1,866 |
Repurchase of common stock | (4 | ) |  | — |  |  | (152 | ) |  | — |  |  | (152 | )
Dividends paid on common stock ($0.1975 per share) |  |  |  |  |  |  | (9,507 | ) |  | (9,507 | )
Balance at September 30, 2019 | 48,145 |  |  | 481 |  |  | 341,988 |  |  | 415,326 |  |  | 757,795 |
| Nine months ended September 30, 2018
| Common Stock |  | Additional Paid-in Capital |  | Retained Earnings |  | Total Stockholders' Equity
| Shares |  | Amount |  |  |
| (In thousands)
Balance at January 1, 2018 | 48,012 |  |  | $ | 480 |  |  | $ | 336,229 |  |  | $ | 362,512 |  |  | $ | 699,221 |
Net loss |  |  |  |  |  |  | (762 | ) |  | (762 | )
Issuance of common stock | 95 |  |  | 1 |  |  | 635 |  |  | — |  |  | 636 |
Repurchase of common stock | (33 | ) |  | — |  |  | (1,239 | ) |  | — |  |  | (1,239 | )
Dividends paid on common stock ($0.1875 per share) |  |  |  |  |  |  | (9,003 | ) |  | (9,003 | )
Balance at March 31, 2018 | 48,074 |  |  | 481 |  |  | 335,625 |  |  | 352,747 |  |  | 688,853 |
Net income |  |  |  |  |  |  | 14,805 |  |  | 14,805 |
Issuance of common stock | — |  |  | — |  |  | 737 |  |  | — |  |  | 737 |
Repurchase of common stock | (4 | ) |  | — |  |  | (124 | ) |  | — |  |  | (124 | )
Dividends paid on common stock ($0.1875 per share) |  |  |  |  |  |  | (9,014 | ) |  | (9,014 | )
Balance at June 30, 2018 | 48,070 |  |  | 481 |  |  | 336,238 |  |  | 358,538 |  |  | 695,257 |
Net income |  |  |  |  |  |  | 36,173 |  |  | 36,173 |
Issuance of common stock | 1 |  |  | — |  |  | 853 |  |  | — |  |  | 853 |
Repurchase of common stock | (3 | ) |  | — |  |  | (131 | ) |  | — |  |  | (131 | )
Dividends paid on common stock ($0.1875 per share) |  |  |  |  |  |  | (9,012 | ) |  | (9,012 | )
Balance at September 30, 2018 | 48,068 |  |  | 481 |  |  | 336,960 |  |  | 385,699 |  |  | 723,140 |

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- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + 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 + Details
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