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Accrued Expenses | 12 Months Ended
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Dec. 31, 2020
Payables and Accruals [Abstract] |
Accrued Expenses | Accrued Expenses Accrued expenses consisted of the following (in thousands):
| December 31,
| 2020 |  | 2019
Company bonuses | $ | 19,343 |  |  | $ | — |
Salaries, commissions, and payroll taxes | 14,025 |  |  | 11,500 |
Foreign retirement obligations | 6,886 |  |  | 6,146 |
Warranty obligations | 5,406 |  |  | 4,713 |
Vacation | 3,641 |  |  | 4,708 |
Other | 27,963 |  |  | 25,132 |
| $ | 77,264 |  |  | $ | 52,199 |
The changes in the warranty obligation were as follows (in thousands):
Balance as of December 31, 2018 | $ | 4,743 |
Provisions for warranties issued during the period | 3,841 |
Fulfillment of warranty obligations | (3,871) |
Balance as of December 31, 2019 | 4,713 |
Provisions for warranties issued during the period | 3,463 |
Fulfillment of warranty obligations | (2,770) |
Balance as of December 31, 2020 | $ | 5,406 |

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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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