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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables) | 12 Months Ended
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Dec. 31, 2017
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | The following summarizes the changes in the balance and the reclassifications out of accumulated other comprehensive income (loss) on our Consolidated Balance Sheets to the Consolidated Statements of Comprehensive Income (amounts in thousands):
|  | Year Ended December 31, |
|  | 2017 |  |  | 2016 |  |  | 2015 |
Beginning balance |  | $ | (1,830 | ) |  | $ | (1,938 | ) |  | $ | (2,168 | )
Other comprehensive income (loss) |  |  |  |  |  |  |  |  |  |  |  |
Defined benefit pension plan: |  |  |  |  |  |  |  |  |  |  |  |
Net loss (gain) during year |  |  | (509 | ) |  |  | 72 |  |  |  | (230 | )
Amortization of prior service cost(1) |  |  | — |  |  |  | — |  |  |  | 432 |
Amortization of net loss(1) |  |  | 90 |  |  |  | 102 |  |  |  | 169 |
|  |  | (419 | ) |  |  | 174 |  |  |  | 371 |
Tax expense (benefit) |  |  | (105 | ) |  |  | 66 |  |  |  | 141 |
Total other comprehensive income (loss) |  |  | (314 | ) |  |  | 108 |  |  |  | 230 |
Ending balance |  | $ | (2,144 | ) |  | $ | (1,830 | ) |  | $ | (1,938 | )
(1) | These amounts are included in the computation of net periodic pension costs and were reclassified to selling, general and administrative costs. For 2015, this includes $222,000 in curtailment loss on the SERP.

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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