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Treasury Stock | 3 Months Ended
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Mar. 31, 2018
Equity [Abstract] |
Treasury Stock | Treasury Stock From time to time, our Board of Directors authorizes management to repurchase shares of our issued and outstanding common stock on the open market. As of March 31, 2018, we had no shares available for repurchase on the open market under the Board's authorizations. On May 3, 2018, our Board approved a new repurchase plan authorizing the repurchase of up to 100,000 shares on the open market. Repurchased shares of our common stock were as follows:
| Three Months Ended March 31,
(In thousands) | 2018 |  | 2017
Shares repurchased | 14 |  |  | 185 |
Cost of shares repurchased | $ | 615 |  |  | $ | 11,389 |
Repurchased shares are recorded as shares held in treasury at cost. We hold these shares for future use as management and the Board of Directors deem appropriate.

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- Definition The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -URI http://asc.fasb.org/subtopic&trid=2208821 + Details
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