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Commitments and Contingencies (Tables) | 12 Months Ended
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Jan. 01, 2021
Commitments and Contingencies Disclosure [Abstract] |
Balance Sheet Classification of Lease Liabilities | The balance sheet classification of our operating lease assets and liabilities were as follows (in thousands):
| December 31,
| 2020 |  | 2019
Assets: |  |  |
Right-of-use assets included in other long-term assets | $ | 43,010 |  |  | $ | 41,835 |
Liabilities: |  |  |
Current portion included in other current liabilities | $ | 3,025 |  |  | $ | 2,728 |
Long-term portion of operating lease liabilities | 49,086 |  |  | 48,011 |
Total operating lease liabilities | $ | 52,111 |  |  | $ | 50,739 |
Components of Lease Expense | The components of operating lease costs, which are included in selling, general and administrative expenses in our Consolidated Statements of Income, were as follows (in thousands):
|  |  | Year Ended December 31,
|  |  |  |  | 2020 |  | 2019 |  | 2018
Operating lease cost |  |  |  |  | $ | 4,825 |  |  | $ | 2,844 |  |  | $ | 4,189 |
Variable lease cost |  |  |  |  | 2,830 |  |  | 1,024 |  |  | 1,661 |
Total operating lease costs |  |  |  |  | $ | 7,655 |  |  | $ | 3,868 |  |  | $ | 5,850 |
Maturities of Operating Lease Liabilities | As of December 31, 2020, the maturities of our operating lease liabilities were as follows (in thousands):
Year Ending December 31, |  | Amount |  |
2021 |  | $ | 4,834 |  |  |
2022 |  | 4,994 |  |  |
2023 |  | 5,332 |  |  |
2024 |  | 5,600 |  |  |
2025 |  | 5,773 |  |  |
Thereafter |  | 37,290 |  |  |
Total lease payments |  | 63,823 |  |  |
Less: |  |  |  |
Imputed interest |  | (9,970) |  |  |
Future tenant improvement reimbursements |  | (1,742) |  |  |
Operating lease liabilities |  | $ | 52,111 |  |  |

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980 + Details
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