Line of credit facility right to increase commitment.

No definition available.

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- Definition

Maximum consolidated leverage ratio.

+ References

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

+ References

No definition available.

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- Definition

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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- Definition

The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

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- Definition

For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

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- Definition

Fair value as of the balance sheet date of all interest rate derivative assets designated as cash flow hedging instruments.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ 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

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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

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Senior Debt - Additional Information (Detail) - USD ($)	12 Months Ended
Senior Debt - Additional Information (Detail) - USD ($)	Dec. 31, 2018	Dec. 31, 2016	Sep. 30, 2020	Mar. 31, 2019	Dec. 31, 2017
Line Of Credit Facility [Line Items]
Prepayment of outstanding debt	$ 36,200,000
Final scheduled principal payment due in September 2020	$ 76,100,000
Maximum consolidated leverage ratio	375.00%
Weighted average interest rate on outstanding borrowings	5.27%				4.08%
Interest rate swap, fair value, asset	$ 500,000				$ 300,000
Changes in fair value income (loss)		$ 500,000
Credit facility, outstanding borrowings	$ 74,456,000				114,833,000
Cross Currency Interest Rate Contract [Member] \| Minimum [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	1.00%
Cross Currency Interest Rate Contract [Member] \| Maximum [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	2.00%
Federal Funds Rate [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	0.50%
Base Rate [Member] \| Minimum [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	1.00%
Base Rate [Member] \| Maximum [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	2.00%
One-Month LIBOR [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	1.00%
Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Unused credit availability under credit facility	$ 50,700,000				54,600,000
Scenario Forecast [Member]
Line Of Credit Facility [Line Items]
Maximum consolidated leverage ratio			325.00%	350.00%
Term Loan [Member]
Line Of Credit Facility [Line Items]
Increased credit facility commitment for either revolving credit facility or term loan facility	170,000,000
Credit facility, outstanding borrowings	76,147,000				113,903,000
U.S. Dollar Revolving Loans [Member]
Line Of Credit Facility [Line Items]
Aggregate principal amount outstanding under the credit facilities	60,500,000
Multi-currency Revolving Credit Facility [Member]
Line Of Credit Facility [Line Items]
Aggregate principal amount outstanding under the credit facilities	19,500,000
Letters of Credit [Member]
Line Of Credit Facility [Line Items]
Aggregate principal amount outstanding under the credit facilities	29,300,000				$ 24,400,000
Netherlands Facility [Member]
Line Of Credit Facility [Line Items]
Credit facility, outstanding borrowings	$ 0