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GOODWILL | 12 Months Ended
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Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
GOODWILL | GOODWILL The carrying amount of goodwill attributable to each reportable business segment with changes therein was as follows:
|  | FMS |  | SCS |  | DTS |  | Total
|  | (In thousands)
Balance as of January 1, 2020 |  | $ | 243,702 |  |  | $ | 190,515 |  |  | $ | 40,808 |  |  | $ | 475,025 |
Foreign currency translation adjustment |  | 103 |  |  | 117 |  |  | — |  |  | 220 |
Balance as of December 31, 2020 |  | $ | 243,805 |  |  | $ | 190,632 |  |  | $ | 40,808 |  |  | $ | 475,245 |
Acquisition (1) |  | — |  |  | 95,627 |  |  | — |  |  | 95,627 |
Foreign currency translation adjustment |  | 15 |  |  | 18 |  |  | — |  |  | 33 |
Balance as of December 31, 2021 (2) |  | $ | 243,820 |  |  | $ | 286,277 |  |  | $ | 40,808 |  |  | $ | 570,905 |
_______________ (1)See Note 24, "Acquisitions," for additional information. (2)Accumulated impairment losses were $26 million and $19 million for FMS and SCS, respectively, as of both December 31, 2021 and 2020. We assess goodwill for impairment on October 1st of each year or more often if deemed necessary. On October 1, 2021, we completed our annual goodwill impairment test and determined there was no impairment.

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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