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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2023
Accounting Policies [Abstract] |
Schedule of Property and Equipment | Property and Equipment Property and equipment are stated at cost. Depreciation is computed using the straight-line method over the estimated useful life of the asset or, for leasehold improvements, the shorter of the lease term or the estimated useful life of the asset, as follows:
Office furniture, fixtures and equipment |  | 5–10 years
Computer equipment and software |  | 3–7 years
The components of the Company’s property and equipment are as follows:
|  | December 31,
|  | 2023 |  | 2022
Leasehold improvements |  | $ | 45,050 |  |  | $ | 40,829 |
Office furniture, fixtures and equipment |  | 14,775 |  |  | 14,322 |
Computer equipment and software |  | 38,798 |  |  | 30,085 |
Property and equipment, gross |  | 98,623 |  |  | 85,236 |
Accumulated depreciation |  | (62,871) |  |  | (55,029) |
Property and equipment, net |  | $ | 35,752 |  |  | $ | 30,207 |
Schedule of Earnings Per Share, Basic and Diluted | The following table sets forth the computation of basic and diluted earnings per share:
| December 31,
| 2023 |  | 2022 |  | 2021
Net income | $ | 54,410 |  |  | $ | 79,486 |  |  | $ | 72,572 |
Weighted average shares outstanding: |  |  |  |  |
Basic | 20,029 |  |  | 19,758 |  |  | 19,515 |
Effect of dilutive securities: |  |  |  |  |
Restricted stock units | 580 |  |  | 644 |  |  | 587 |
Performance stock units | 157 |  |  | 216 |  |  | 194 |
Diluted | 20,766 |  |  | 20,618 |  |  | 20,296 |
Basic earnings per share | $ | 2.72 |  |  | $ | 4.02 |  |  | $ | 3.72 |
Diluted earnings per share | $ | 2.62 |  |  | $ | 3.86 |  |  | $ | 3.58 |
Schedule of Cash and Cash Equivalents | The following table provides a reconciliation of the cash and cash equivalents between the Consolidated Balance Sheets and the Consolidated Statement of Cash Flows as of December 31, 2023, 2022 and 2021:
| December 31,
| 2023 |  | 2022 |  | 2021
Cash and cash equivalents | $ | 412,618 |  |  | $ | 355,447 |  |  | $ | 545,225 |
Restricted cash included within other non-current assets | — |  |  | 42 |  |  | 34 |
Total cash, cash equivalents and restricted cash | $ | 412,618 |  |  | $ | 355,489 |  |  | $ | 545,259 |

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482099/360-10-50-1 + Details
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