| Property and Equipment, net |
6. Property and Equipment, net
Property and equipment, net consisted of the following as of September 30, 2024 and December 31, 2023 (in thousands):
| | | | | | | | | | | | | As of | | September 30, 2024 | | December 31, 2023 | | Leasehold improvements | $ | 54,660 | | | $ | 53,313 | | | Office furniture and fixtures | 4,484 | | | 3,825 | | Computer software and hardware | 9,424 | | | 10,491 | | Internally developed software | 758 | | | — | | | Equipment | 193 | | | 194 | | | Property and equipment, gross | 69,519 | | | 67,823 | | | Less: accumulated depreciation | (30,329) | | | (25,141) | | | Property and equipment, net | $ | 39,190 | | | $ | 42,682 | |
Depreciation expense totaled $2.2 million and $6.4 million for the three and nine months ended September 30, 2024, respectively. Depreciation expense totaled $2.0 million and $5.9 million for the three and nine months ended September 30, 2023, respectively. We disposed of $1.0 million and $1.3 million worth of fully depreciated equipment during the three and nine months ended September 30, 2024, respectively. We had no disposals or retirements during the three months ended September 30, 2023 and disposed of $1.4 million worth of fully depreciated property and equipment during the nine months ended September 30, 2023.
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