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Operating Leases | 12 Months Ended
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Dec. 31, 2022
Leases [Abstract] |
Operating Leases | Operating Leases Lease costs recorded under operating leases as of December 31, 2022 and 2021 were as follows:
| Year ended
| December 31, 2022 | December 31, 2021
| (in thousands)
Operating lease costs | $ | 53,880 |  | $ | 51,200 |
Income from sub-leases | (1,165) |  | (1,338) |
Net operating lease costs | $ | 52,715 |  | $ | 49,862 |
Of the total cost of $52.7 million incurred in the year ended December 31, 2022, $48.3 million is recorded within selling, general and administration costs and $4.4 million is recorded within direct costs. Of the total cost of $49.9 million incurred in the year ended December 31, 2021, $47.5 million is recorded within selling, general and administration costs and $2.4 million is recorded within direct costs. Right-of-use assets obtained, in exchange for lease obligations, net of early termination options now reasonably certain to be exercised, during the years ended December 31, 2022 and December 31, 2021 totaled $28.7 million and $10.2 million, respectively. During the years ended December 31, 2022 and December 31, 2021, impairments of operating right-of-use assets were recognized within restructuring charges for $24.8 million and $15.4 million, respectively, as part of an office consolidation program (see note 19 - Restructuring Charges). The weighted average remaining lease term and weighted-average discount rate at December 31, 2022 were 6.90 years and 2.45%, respectively. The weighted average remaining lease term and weighted-average discount rate at December 31, 2021 were 6.91 years and 2.51%, respectively. Future minimum lease payments under non-cancelable leases as of December 31, 2022 were as follows:
| Minimum rental
| payments
| (in thousands)
2023 | $ | 47,479 |
2024 | 34,400 |
2025 | 25,045 |
2026 | 20,430 |
2027 | 17,249 |
Thereafter | 45,065 |
Total future minimum lease payments | 189,668 |
Lease imputed interest | (14,367) |
Total | $ | 175,301 |
Operating lease liabilities are presented as current and non-current. Operating lease liabilities of $43.7 million and $49.9 million have been included in other liabilities as at December 31, 2022 and December 31, 2021, respectively.

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- Definition The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -URI https://asc.fasb.org/subtopic&trid=77888251 + Details
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