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Workers' Compensation Claims - Summarizes Aggregate Workers' Compensation Reserve Activity (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Workers Compensation Reserve [Abstract] |  |
Workers' compensation claims liabilities, Beginning balance | $ 215,987 | $ 279,407
Add: claims expense accrual |  |
Current period | 4,362 | 4,284
Prior periods | (1,114) | (2,919)
Total expense accrual | 3,248 | 1,365
Less: claim payments related to |  |
Current period | 180 | 225
Prior periods | 17,480 | 18,034
Total paid | 17,660 | 18,259
Change in claims incurred in excess of retention limits | 66 | 133
Workers' compensation claims liabilities, Ending balance | 201,641 | 262,646
Incurred but not reported (IBNR) | $ 103,804 | $ 138,604
Ratio of IBNR to workers' compensation claims liabilities | 51.00% | 53.00%

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- Definition Claim payments. + References No definition available. + Details
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- Definition Claims expense accrual. + References No definition available. + Details
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- Definition Workers compensation change in claims incurred in excess of retention limits. + References No definition available. + Details
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- Definition Workers compensation claim payments. + References No definition available. + Details
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- Definition Workers compensation expense accrual claims for current period. + References No definition available. + Details
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- Definition Workers compensation expense adjustments accrual claims for prior periods. + References No definition available. + Details
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- Definition Workers compensation incurred but not reported. + References No definition available. + Details
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- Definition Workers compensation percent to liabilities incurred but not reported. + References No definition available. + Details
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- Definition workers compensation reserve. + References No definition available. + Details
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- Definition Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(15)(5)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(15)(a)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(24)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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