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INCOME TAXES (Tables) | 12 Months Ended
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Dec. 31, 2024
Income Tax Disclosure [Abstract] |
Schedule of Components of Income Before Income Taxes | The components of income before income taxes consisted of the following (in thousands):
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
Domestic | $ | 454,452 |  |  | $ | 312,870 |  |  | $ | 260,564 |
Foreign jurisdictions | 21,470 |  |  | 22,812 |  |  | 22,296 |
Income before income taxes | $ | 475,922 |  |  | $ | 335,682 |  |  | $ | 282,860 |
Schedule of Income Tax Provision | Income tax provision consisted of the following (in thousands):
| Current |  | Deferred |  | Total
Year ended December 31, 2024 |  |  |  |  |
U.S. Federal | $ | 80,490 |  |  | $ | (19,837) |  |  | $ | 60,653 |
U.S. state and local | 11,791 |  |  | (5,707) |  |  | 6,084 |
Foreign jurisdictions | 5,877 |  |  | (1,078) |  |  | 4,799 |
| $ | 98,158 |  |  | $ | (26,622) |  |  | $ | 71,536 |
Year ended December 31, 2023 |  |  |  |  |
U.S. Federal | $ | 64,381 |  |  | $ | (24,117) |  |  | $ | 40,264 |
U.S. state and local | 8,848 |  |  | (1,869) |  |  | 6,979 |
Foreign jurisdictions | 4,622 |  |  | 1,007 |  |  | 5,629 |
| $ | 77,851 |  |  | $ | (24,979) |  |  | $ | 52,872 |
Year ended December 31, 2022 |  |  |  |  |
U.S. Federal | $ | 49,991 |  |  | $ | (19,705) |  |  | $ | 30,286 |
U.S. state and local | 7,160 |  |  | (3,297) |  |  | 3,863 |
Foreign jurisdictions | 3,330 |  |  | 13 |  |  | 3,343 |
| $ | 60,481 |  |  | $ | (22,989) |  |  | $ | 37,492 |
Summary Of Difference Between Statutory Rate for Federal Income Tax and Effective Income Tax Rate | The difference between the statutory rate for federal income tax and the effective income tax rate was as follows (in thousands):
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
Income tax expense calculated at the federal statutory rate | $ | 99,944 |  |  | 21.0 | % |  | $ | 70,493 |  |  | 21.0 | % |  | $ | 59,401 |  |  | 21.0 | %
Effect of: |  |  |  |  |  |  |  |  |  |  |
State and local taxes, net of federal benefit | 7,556 |  |  | 1.6 |  |  | 5,146 |  |  | 1.5 |  |  | 4,235 |  |  | 1.5 |
Tax on foreign earnings, net of tax credits and deductions | (4,031) |  |  | (0.8) |  |  | (1,305) |  |  | (0.4) |  |  | (3,277) |  |  | (1.2) |
Deferred credit | (338) |  |  | (0.1) |  |  | (596) |  |  | (0.2) |  |  | (621) |  |  | (0.2) |
Permanent items: |  |  |  |  |  |  |  |  |  |  |
Stock-based awards | (22,197) |  |  | (4.7) |  |  | (14,692) |  |  | (4.4) |  |  | (18,738) |  |  | (6.6) |
Deduction for FDII | (10,931) |  |  | (2.3) |  |  | (9,358) |  |  | (2.8) |  |  | (4,983) |  |  | (1.8) |
Other | 1,628 |  |  | 0.4 |  |  | 63 |  |  | — |  |  | 595 |  |  | 0.2 |
State/Local tax credits | (2,786) |  |  | (0.6) |  |  | (2,536) |  |  | (0.8) |  |  | (1,294) |  |  | (0.5) |
Change in liability for uncertain tax positions | 1,611 |  |  | 0.3 |  |  | 4,784 |  |  | 1.4 |  |  | 1,560 |  |  | 0.6 |
Other | 1,080 |  |  | 0.2 |  |  | 873 |  |  | 0.5 |  |  | 614 |  |  | 0.3 |
| $ | 71,536 |  |  | 15.0 | % |  | $ | 52,872 |  |  | 15.8 | % |  | $ | 37,492 |  |  | 13.3 | %
Schedule of Components of Company's Net Deferred Tax Asset (Liability) | Components of the Company’s net deferred tax asset (liability) included in the consolidated balance sheets consisted of the following at December 31 (in thousands):
| 2024 |  | 2023
Deferred tax assets: |  |  |
Accrued liabilities | $ | 31,898 |  |  | $ | 27,101 |
Depreciation and amortization | 1,222 |  |  | 1,258 |
Foreign operating loss carryforward | 51 |  |  | 35 |
Advanced billings | 127,115 |  |  | 98,438 |
Other | 2,002 |  |  | 2,474 |
Valuation allowance | (1,607) |  |  | (1,826) |
Total deferred tax assets | 160,681 |  |  | 127,480 |
Deferred tax liabilities: |  |  |
Depreciation and amortization | (59,016) |  |  | (52,443) |
Prepaid expenses | (1,462) |  |  | (1,581) |
Other | (1,646) |  |  | (1,425) |
Total deferred tax liabilities | (62,124) |  |  | (55,449) |
Net deferred tax asset (liability) | $ | 98,557 |  |  | $ | 72,031 |
Schedule of Annual Activity Related to Valuation Allowance | Annual activity related to the Company’s valuation allowance is as follows (in thousands):
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
Beginning Balance | $ | 1,826 |  |  | $ | 430 |  |  | $ | 850 |
Additions charged to expense | 938 |  |  | 1,582 |  |  | 15 |
Reductions from utilization, reassessments and expirations | (1,157) |  |  | (186) |  |  | (493) |
Remeasurement due to effect of tax reform | — |  |  | — |  |  | 58 |
Ending Balance | $ | 1,607 |  |  | $ | 1,826 |  |  | $ | 430 |
Schedule of Gross Unrecognized Tax Benefits | A reconciliation of the beginning and ending balances of the total amounts of gross unrecognized tax benefits is as follows (in thousands):
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
Beginning Balance | $ | 20,380 |  |  | $ | 15,947 |  |  | $ | 13,784 |
Increases in tax positions for prior years | 435 |  |  | — |  |  | 171 |
Decreases in tax positions for prior years | (189) |  |  | (97) |  |  | (490) |
Increases in tax positions for current year | 6,822 |  |  | 5,382 |  |  | 4,871 |
Lapse in statute of limitations | (1,921) |  |  | (852) |  |  | (2,389) |
Ending Balance | $ | 25,527 |  |  | $ | 20,380 |  |  | $ | 15,947 |

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