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WEIGHTED AVERAGE SHARE COUNTS | 12 Months Ended
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Dec. 31, 2024
Earnings Per Share [Abstract] |
Earnings Per Share [Text Block] | (18)WEIGHTED AVERAGE SHARE COUNTS The following table sets forth the computation of basic and diluted shares for the periods indicated (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Year Ended December 31, |
​ |  |  | 2024 |  | 2023 |  | 2022 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Shares used in basic earnings per share calculation | ​ |  | 47,614 |  | 47,335 |  | 47,121 | ​
Effect of dilutive securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Restricted stock units | ​ |  | — |  | 78 |  | 205 | ​
Performance-based restricted stock units | ​ |  | — |  | 6 |  | 9 | ​
Total effects of dilutive securities | ​ |  | — |  | 84 |  | 214 | ​
Shares used in dilutive earnings per share calculation | ​ |  | 47,614 |  | 47,419 |  | 47,335 | ​
​ For the years ended December 31, 2024, 2023 and 2022, restricted stock units of 2.6 million, 0.9 million, and 0.5 million, respectively, were outstanding but not included in the computation of diluted net income per share because the effect would have been anti-dilutive.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/260/tableOfContent Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-3 + Details
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