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Workers' Compensation Claims Liabilities - Summarizes Aggregate Workers' Compensation Reserve Activity (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Workers Compensation Reserve [Abstract] |  |  |  |
Workers' compensation claims liabilities, Beginning balance | $ 121,228 | $ 158,054 | $ 128,446 | $ 167,763
Add: claims expense incurred |  |  |  |
Current period | 2,697 | 3,699 | 6,025 | 7,299
Prior periods | (3,222) | (1,830) | (7,004) | (4,822)
Total claims expense incurred | (525) | 1,869 | (979) | 2,477
Less: claim payments related to |  |  |  |
Current period | 1,179 | 1,565 | 2,357 | 2,519
Prior periods | 5,593 | 8,734 | 11,113 | 18,223
Total claim payments | 6,772 | 10,299 | 13,470 | 20,742
Change in claims incurred in excess of retention limits | (29) | 6 | (95) | 132
Workers' compensation claims liabilities, Ending balance | $ 113,902 | $ 149,630 | $ 113,902 | $ 149,630

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