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Long-term Debt - Additional Information (Detail) - USD ($) |  | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2021 | Sep. 30, 2019 | Dec. 31, 2021 | Dec. 31, 2020 | Sep. 30, 2020
Debt Instrument [Line Items] |  |  |  |  |  |
Deferred financing costs and debt issuance costs, net |  | $ 11,400,000 |  | $ 11,400,000 | $ 7,000,000 |
Assets relating to master loan agreements, gross |  | 328,348,000 |  | 328,348,000 | 293,080,000 |
Property and equipment, net |  | 105,933,000 |  | 105,933,000 | 104,022,000 |
Vehicle and Equipment |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Assets relating to master loan agreements, gross |  | 134,500,000 |  | 134,500,000 | 132,200,000 |
Property and equipment, net |  | $ 65,300,000 |  | $ 65,300,000 | $ 65,700,000 |
Master Loan Agreements |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Term loan facility maturity period (in years) |  |  |  | 60 months |  |
5.75% Senior Notes Due 2028 | Senior Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes payable Interest rate |  | 5.75% |  | 5.75% |  | 5.75%
Debt instrument, face amount |  |  |  |  |  | $ 300,000,000
Proceeds from senior note issuance |  |  | $ 295,000,000 |  |  |
Market capitalization (as percent) |  |  | 2.00% |  |  |
ABL Credit Agreement |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Market capitalization (as percent) |  |  | 2.00% |  |  |
Fixed charge coverage ratio |  |  | 1.0 |  |  |
ABL Credit Agreement | Letter of Credit |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Remaining borrowing availability |  | $ 155,700,000 |  | $ 155,700,000 |  |
ABL Credit Agreement | Eurodollar | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Margin interest rate percentage |  |  | 1.25% |  |  |
ABL Credit Agreement | Eurodollar | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Margin interest rate percentage |  |  | 1.50% |  |  |
ABL Credit Agreement | Base Rate | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Margin interest rate percentage |  |  | 0.25% |  |  |
ABL Credit Agreement | Base Rate | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Margin interest rate percentage |  |  | 0.50% |  |  |
ABL Credit Agreement | Revolving Credit Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Term loan facility maturity period (in years) |  |  | 5 years |  |  |
Line of credit maximum borrowing capacity |  |  |  |  |  | 200,000,000
ABL Credit Agreement | Letter of Credit |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Line of credit maximum borrowing capacity |  |  |  |  |  | 75,000,000
ABL Credit Agreement | Incremental Revolving Credit Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Line of credit maximum borrowing capacity |  |  |  |  |  | 50,000,000
ABL Credit Agreement | Swing Line Loans |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Line of credit maximum borrowing capacity |  |  |  |  |  | $ 20,000,000
Term Loan |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, face amount |  | 500,000,000 |  | 500,000,000 |  |
Term loan facility maturity period (in years) | 7 years |  |  |  |  |
Quarterly principal payments |  | 1,250,000 |  |  |  |
Margin interest rate percentage | 1.25% |  |  |  |  |
Deferred financing costs and debt issuance costs, net |  | $ 493,300,000 |  | $ 493,300,000 |  |
Percentage of net cash proceeds (as a percent) |  | 100.00% |  |  |  |
Percentage of cash proceeds and its restricted subsidiaries (as a percent) |  | 50.00% |  |  |  |
Maximum cash proceeds |  | $ 15,000,000 |  |  |  |
Term Loan | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Step down percentage (as a percent) |  | 0.00% |  |  |  |
Step down percentage and its subsidiaries (as a percent) |  | 0.00% |  |  |  |
Term Loan | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Step down percentage (as a percent) |  | 50.00% |  |  |  |
Step down percentage and its subsidiaries (as a percent) |  | 25.00% |  |  |  |
Term Loan | LIBOR | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Margin interest rate percentage | 2.25% |  |  |  |  |

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