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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) | 12 Months Ended
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Dec. 31, 2021
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) [ABSTRACT] |
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) | (17)ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) The following table presents changes in the accumulated balance for each component of Other comprehensive income (loss), including current period other comprehensive income (loss) and reclassifications out of accumulated other comprehensive income (loss) (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Foreign |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |
​ | ​ | Currency | ​ | Derivative | ​ | ​ | ​ | ​ | ​ | ​ |
​ | ​ | Translation | ​ | Valuation, Net | ​ | Other, Net | ​ | ​ | ​ |
​ | ​ | Adjustment | ​ | of Tax | ​ | of Tax | ​ | Totals |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Accumulated other comprehensive income (loss) at December 31, 2018 | ​ | $ | (114,168) | ​ | $ | (8,278) | ​ | $ | (2,150) | ​ | $ | (124,596) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other comprehensive income (loss) before reclassifications | ​ |  | 6,688 | ​ |  | 15,545 | ​ |  | (588) | ​ |  | 21,645 | ​
Amounts reclassified from accumulated other comprehensive income (loss) | ​ |  | — | ​ |  | (3,085) | ​ |  | (198) | ​ |  | (3,283) | ​
Net current period other comprehensive (income) loss | ​ |  | 6,688 | ​ |  | 12,460 | ​ |  | (786) | ​ |  | 18,362 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Accumulated other comprehensive income (loss) at December 31, 2019 | ​ | $ | (107,480) | ​ | $ | 4,182 | ​ | $ | (2,936) | ​ | $ | (106,234) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Accumulated other comprehensive income (loss) at December 31, 2019 | ​ | $ | (107,480) |  | $ | 4,182 |  | $ | (2,936) |  | $ | (106,234) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other comprehensive income (loss) before reclassifications | ​ |  | 9,722 | ​ |  | 2,321 | ​ |  | 1,016 | ​ |  | 13,059 | ​
Amounts reclassified from accumulated other comprehensive income (loss) | ​ |  | 19,619 | ​ |  | 1,928 | ​ |  | (528) | ​ |  | 21,019 | ​
Net current period other comprehensive income (loss) | ​ |  | 29,341 | ​ |  | 4,249 | ​ |  | 488 | ​ |  | 34,078 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Accumulated other comprehensive income (loss) at December 31, 2020 | ​ | $ | (78,139) |  | $ | 8,431 |  | $ | (2,448) |  | $ | (72,156) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Accumulated other comprehensive income (loss) at December 31, 2020 | ​ | $ | (78,139) |  | $ | 8,431 |  | $ | (2,448) |  | $ | (72,156) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other comprehensive income (loss) before reclassifications | ​ |  | (17,408) | ​ |  | (12,126) | ​ |  | (103) | ​ |  | (29,637) | ​
Amounts reclassified from accumulated other comprehensive income (loss) | ​ |  | — | ​ |  | 3,655 | ​ |  | (288) | ​ |  | 3,367 | ​
Net current period other comprehensive income (loss) | ​ |  | (17,408) | ​ |  | (8,471) | ​ |  | (391) | ​ |  | (26,270) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Accumulated other comprehensive income (loss) at December 31, 2021 | ​ | $ | (95,547) |  | $ | (40) |  | $ | (2,839) |  | $ | (98,426) | ​
​ The following table presents the classification and amount of the reclassifications from Accumulated other comprehensive income (loss) to the Statement of Comprehensive Income (Loss) (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Statement of |
​ | ​ | For the Year Ended December 31, | ​ | Comprehensive Income |
​ |  | 2021 |  | 2020 |  | 2019 |  | (Loss) Classification |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Derivative valuation | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Loss on foreign currency forward exchange contracts | ​ | $ | 4,939 | ​ | $ | 2,618 | ​ | $ | (4,228) |  | Revenue | ​
Tax effect | ​ |  | (1,284) | ​ |  | (690) | ​ |  | 1,143 |  | Provision for income taxes | ​
​ | ​ | $ | 3,655 | ​ | $ | 1,928 | ​ | $ | (3,085) |  | Net income (loss) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Actuarial loss on defined benefit plan | ​ | $ | (320) | ​ | $ | (588) | ​ | $ | (221) |  | Cost of services | ​
Tax effect | ​ |  | 32 | ​ |  | 60 | ​ |  | 23 |  | Provision for income taxes | ​
​ | ​ | $ | (288) | ​ | $ | (528) | ​ | $ | (198) |  | Net income (loss) | ​
​

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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