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Credit Agreement - Schedule of Credit Agreement (Parenthetical) (Detail) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020
Line Of Credit Facility [Line Items] |  |
Letters of credit, borrowing limit under the credit agreement | $ 125,000,000.0 |
2021 Letter of Credit [Member] |  |
Line Of Credit Facility [Line Items] |  |
Letter of credit, prime rate | 3.25% |
Line of credit interest rate | 2.25% |
Credit Agreement [Member] | Letter of Credit [Member] | BMO Harris Bank N.A. ("BMO Harris") [Member] |  |
Line Of Credit Facility [Line Items] |  |
Letters of credit, borrowing limit under the credit agreement |  | $ 50,000,000.0
Credit Agreement [Member] | Letter of Credit Sublimit [Member] | BMO Harris Bank N.A. ("BMO Harris") [Member] |  |
Line Of Credit Facility [Line Items] |  |
Letters of credit, borrowing limit under the credit agreement |  | $ 25,000,000.0

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- Definition Line Of Credit Facility Interest Rate Prime Minus One. + References No definition available. + Details
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Balance Type: | na
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- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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