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Lease Commitments | 12 Months Ended
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Dec. 31, 2022
Leases [Abstract] |
Lease Commitments | Lease Commitments The Company and its Affiliates currently lease office space and equipment under various operating leasing arrangements. The following table presents total lease costs (net):
|  | For the Years Ended December 31,
|  | 2020 |  | 2021 |  | 2022
Operating lease costs |  | $ | 37.6 |  |  | $ | 33.8 |  |  | $ | 38.5 |
Short-term lease costs |  | 0.8 |  |  | 0.8 |  |  | 1.0 |
Variable lease costs |  | 0.0 |  |  | 0.0 |  |  | 0.0 |
Sublease income |  | (5.0) |  |  | (7.9) |  |  | (7.7) |
Total lease costs (net) |  | $ | 33.4 |  |  | $ | 26.7 |  |  | $ | 31.8 |
As of December 31, 2021 and 2022, the Company’s and its Affiliates’ weighted average operating lease term was seven years and eight years, respectively, and the weighted average operating lease discount rate was 3%. As of December 31, 2022, the maturities of lease liabilities were as follows:
Year |  | Operating Leases
2023 |  | $ | 38.5 |
2024 |  | 37.2 |
2025 |  | 32.2 |
2026 |  | 23.3 |
2027 |  | 19.3 |
Thereafter |  | 82.8 |
Total undiscounted lease liabilities(1) |  | $ | 233.3 |
__________________________ (1)Total undiscounted lease liabilities were $34.4 million greater than the operating leases recorded in Other liabilities primarily due to present value discounting. Both amounts exclude leases with initial terms of 12 months or less and leases that have not yet commenced.

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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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