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Restructuring Charges | 9 Months Ended
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Sep. 30, 2021
Restructuring and Related Activities [Abstract] |
Restructuring Charges | Note 13. Restructuring Charges In April 2020, we reduced our U.S. shoreside workforce by approximately 23% through permanent layoffs. We incurred severance costs of $28.0 million during the year ended December 31, 2020. The following table summarizes our restructuring costs during the nine months ended September 30, 2021 as it relates to the April 2020 reduction in our workforce (in thousands):
| Beginning balance January 1, 2021 |  | Accruals |  | Payments |  | Ending balance September 30, 2021 |  | Cumulative Charges Incurred |  | Expected Additional Expenses to be Incurred
Termination benefits | $ | 4,257 |  |  | $ | 643 |  |  | $ | 4,311 |  |  | $ | 589 |  |  | $ | 28,596 |  |  | $ | — |
Total | $ | 4,257 |  |  | $ | 643 |  |  | $ | 4,311 |  |  | $ | 589 |  |  | $ | 28,596 |  |  | $ | — |

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- Definition The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(e)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -URI http://asc.fasb.org/topic&trid=2175745 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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