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Earnings per Share | 9 Months Ended
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Sep. 30, 2017
Earnings Per Share [Abstract] |
Earnings Per Share [Text Block] | Earnings Per Share The table below presents a reconciliation between basic and diluted weighted average shares outstanding, net income available to common shareholders and basic and diluted income per share for the three and nine months ended September 30, 2017 and 2016:
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, |  | September 30,
(In thousands, except per share amounts) |  | 2017 |  | 2016 |  | 2017 |  | 2016
NUMERATOR |  |  |  |  |  |  |  |
Net income |  | $ | 22,327 |  |  | $ | 10,942 |  |  | $ | 56,199 |  |  | $ | 36,047 |
Preferred stock dividends |  | (1,218 | ) |  | (1,218 | ) |  | (3,656 | ) |  | (3,656 | )
Excess of fair value over book value of preferred shares subject to redemption |  | (2,257 | ) |  | — |  |  | (2,257 | ) |  | — |
Net income to common shareholders |  | 18,852 |  |  | 9,724 |  |  | 50,286 |  |  | 32,391 |
Interest on 3.25% convertible senior subordinated notes due 2017 |  | 324 |  |  | 378 |  |  | 1,106 |  |  | 1,152 |
Interest on 3.00% convertible senior subordinated notes due 2018 |  | 530 |  |  | 510 |  |  | 1,586 |  |  | 1,554 |
Diluted income available to common shareholders |  | $ | 19,706 |  |  | $ | 10,612 |  |  | $ | 52,978 |  |  | $ | 35,097 |
DENOMINATOR |  |  |  |  |  |  |  |
Basic weighted average shares outstanding |  | 25,581 |  |  | 24,669 |  |  | 25,106 |  |  | 24,665 |
Effect of dilutive securities: |  |  |  |  |  |  |  |
Stock option awards |  | 248 |  |  | 231 |  |  | 302 |  |  | 200 |
Deferred compensation awards |  | 237 |  |  | 154 |  |  | 207 |  |  | 143 |
3.25% convertible senior subordinated notes due 2017 |  | 1,940 |  |  | 2,416 |  |  | 2,255 |  |  | 2,416 |
3.00% convertible senior subordinated notes due 2018 |  | 2,669 |  |  | 2,669 |  |  | 2,669 |  |  | 2,669 |
Diluted weighted average shares outstanding - adjusted for assumed conversions |  | 30,675 |  |  | 30,139 |  |  | 30,539 |  |  | 30,093 |
Earnings per common share: |  |  |  |  |  |  |  |
Basic |  | $ | 0.74 |  |  | $ | 0.39 |  |  | $ | 2.00 |  |  | $ | 1.31 |
Diluted |  | $ | 0.64 |  |  | $ | 0.35 |  |  | $ | 1.73 |  |  | $ | 1.17 |
Anti-dilutive equity awards not included in the calculation of diluted earnings per common share |  | — |  |  | 896 |  |  | 31 |  |  | 1,288 |
On September 14, 2017, the Company announced that it will redeem all 2,000 of its outstanding Series A Preferred Shares on October 16, 2017 and recognized a $2.3 million non-cash equity charge related to the excess of fair value over carrying value relating primarily to the original issuance costs that were paid in 2007, which reduced net income to common shareholders in the earnings per share calculation above for the three months and nine months ended September 30, 2017. On October 16, 2017, the redemption was completed. Refer to Note 8 and Note 13 of our Unaudited Condensed Consolidated Financial Statements for additional details. For the three and nine months ended September 30, 2017 and 2016, the effect of our convertible debt outstanding was included in the diluted earnings per share calculations.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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