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Leases (Tables) | 12 Months Ended
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Dec. 31, 2022
Leases [Abstract] |
Schedule of lease expenses and lease terms for operating leases | The components of CRA's lease expenses, which are included in the consolidated statements of operations, are as follows (in thousands):
| Year Ended |  | Year Ended |  | Year Ended
| December 31, 2022 (52 weeks) |  | January 1, 2022 (52 weeks) |  | January 2, 2021 (53 weeks)
Operating lease cost | $ | 18,494 |  |  | $ | 18,293 |  |  | $ | 17,803 |
Short-term lease cost | 285 |  |  | 442 |  |  | 908 |
Variable lease cost | 5,986 |  |  | 5,273 |  |  | 6,155 |
Total lease cost | $ | 24,765 |  |  | $ | 24,008 |  |  | $ | 24,866 |
The following table presents summary information for CRA's lease terms and discount rates for its operating leases:
| December 31, 2022 |  | January 1, 2022 |  | January 2, 2021
Weighted average remaining lease term—operating leases | 6.7 years |  | 7.7 years |  | 8.6 years
Weighted average discount rate—operating leases | 3.6 | % |  | 3.6 | % |  | 3.6 | %
Schedule of maturities of lease liabilities related to office space and equipment | At December 31, 2022, CRA had the following maturities of lease liabilities related to office space, all of which are under non-cancellable operating leases (in thousands):
Fiscal Year | Operating Lease Commitments
2023 | $ | 19,804 |
2024 | 21,632 |
2025 | 21,244 |
2026 | 20,050 |
2027 | 20,333 |
Thereafter | 35,591 |
Total lease payments | 138,654 |
Less: imputed interest | (16,674) |
Total | $ | 121,980 |

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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 https://asc.fasb.org/extlink&oid=128292326&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 https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980 + Details
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