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Revolving Credit Agreements - Additional Information (Detail) |  |  |  | 1 Months Ended | 6 Months Ended |  |  |
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Mar. 29, 2023 USD ($) | Aug. 08, 2022 USD ($) | Aug. 05, 2022 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2023 USD ($) | Dec. 31, 2022 USD ($) | Jul. 18, 2022 USD ($) | Sep. 30, 2018 USD ($)
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Weighted average interest rate |  |  |  |  |  | 6.40% |  |  |
Debt instrument default interest rate percentage |  |  |  |  |  | 2.00% |  |  |
Daily Simple SOFR [Member] |  |  |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Credit facility, floor rate |  |  |  |  |  | 0.00% |  |  |
EURIBOR [Member] |  |  |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Credit facility, floor rate |  |  |  |  |  | 0.00% |  |  |
Maximum [Member] | Daily Simple SOFR [Member] |  |  |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Applicable margin rate |  |  |  |  |  | 2.15% |  |  |
Maximum [Member] | Base Rate [Member] |  |  |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Applicable margin rate |  |  |  |  |  | 1.25% |  |  |
Maximum [Member] | EURIBOR [Member] |  |  |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Applicable margin rate |  |  |  |  |  | 2.25% |  |  |
Minimum [Member] | Daily Simple SOFR [Member] |  |  |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Applicable margin rate |  |  |  |  |  | 1.40% |  |  |
Minimum [Member] | Base Rate [Member] |  |  |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Applicable margin rate |  |  |  |  |  | 0.50% |  |  |
Minimum [Member] | EURIBOR [Member] |  |  |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Applicable margin rate |  |  |  |  |  | 1.50% |  |  |
Wells Fargo Credit Agreement [Member] |  |  |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Commitment fee percentage |  |  |  |  |  | 0.25% |  |  |
Net leverage ratio |  |  | 3 |  |  |  |  |  |
Wells Fargo Credit Agreement [Member] | Daily Simple SOFR [Member] |  |  |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Applicable margin rate |  |  |  |  |  | 1.00% |  |  |
Wells Fargo Credit Agreement [Member] | Federal Reserve Bank Advances [Member] |  |  |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Applicable margin rate |  |  |  |  |  | 1.00% |  |  |
Nord/LB Revolving Line of Credit [Member] |  |  |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Revolving line of credit | $ 16,100,000 |  |  |  |  | $ 10,900,000 |  |  |
Nord/LB Revolving Line of Credit [Member] | Euro Short Term Rate [Member] |  |  |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Applicable margin rate | 1.94% |  |  |  |  |  |  |  |
Prior Nord/Lb Revolving Line Of Credit [Member] |  |  |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Revolving line of credit |  | $ 16,100,000 |  |  |  |  |  |  |
Available for future borrowings |  | $ 0 |  |  |  |  |  |  |
Line of credit maturity period month and year |  | 2023-08 |  |  |  |  |  |  |
Prior Nord/Lb Revolving Line Of Credit [Member] | Euro Short Term Rate [Member] |  |  |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Applicable margin rate |  | 1.40% |  |  |  |  |  |  |
DZ Bank Revolving Line Of Credit [Member] |  |  |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Revolving line of credit |  |  |  |  |  |  | $ 9,100,000 |  |
Available for future borrowings |  |  |  |  |  |  | $ 0 |  |
Interest rate |  |  |  |  |  |  | 2.80% |  |
Syndicated Credit Agreement Working Capital Line of Credit [Member] |  |  |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Available for future borrowings |  |  |  |  |  |  |  |  | $ 0
Acorn HoldCo, Inc., [Member] | Wells Fargo Credit Agreement [Member] |  |  |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Secured revolving credit facility amount |  |  |  |  |  | 400,000,000 |  | $ 100,000,000 |
Revolving line of credit |  |  |  |  |  | 200,000,000 |  |  |
Credit facility, average outstanding amount |  |  |  |  |  | 2,200,000 |  |  |
Letters of credit may be issued |  |  |  |  |  | 25,000,000 |  |  |
Available for future borrowings |  |  |  |  |  | 197,800,000 |  |  |
Acorn HoldCo, Inc., [Member] | Wells Fargo Credit Agreement [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Credit agreement current borrowing capacity |  |  |  |  |  | $ 400,000,000 |  |  |
Bayerische Landesbank and Deutsche Bank [Member] | Syndicated Credit Agreement Working Capital Line of Credit [Member] |  |  |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Secured revolving credit facility amount |  |  |  |  |  |  |  |  | $ 10,700,000
Scenario Forecast [Member] | Wells Fargo Credit Agreement [Member] |  |  |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Net leverage ratio |  |  |  | 2.75 | 3.25 |  |  |  |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
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- Definition Average amount borrowed under the credit facility during the period. + References No definition available. + Details
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + 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 -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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