Covenant Requirement, Interest Coverage Ratio

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- Definition

Debt Instrument, Debt Covenant, Allowed Dividend Payments

+ References

No definition available.

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- Definition

Debt Instrument Higher Range Basis Spread On Variable Rate

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No definition available.

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- Definition

Debt Instrument, Leverage Ratio, Maximum

+ References

No definition available.

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- Definition

Debt Instrument Lower Range Basis Spread On Variable Rate

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- Definition

LIBORS Spread Maximum

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No definition available.

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- Definition

LIBORS Spread Minimum

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- Definition

Leverage Ratio, Maximum

+ References

No definition available.

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- Definition

Line of Credit Facility, Additional Borrowing Capacity

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No definition available.

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- Definition

Maximum Leverage Ratio Option

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No definition available.

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- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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-Name Accounting Standards Codification
-Topic 220
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399

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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

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

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Amount, after accumulated amortization, of debt issuance costs related to line of credit arrangements. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section S45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=68176171&loc=SL68176184-208336

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- Definition

Amount of hedged item in hedging relationship. Excludes hedged asset or liability.

+ References

No definition available.

+ Details

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

+ Details

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- Definition

Amount of the fee for available but unused credit capacity under the credit facility.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 210
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-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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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

+ Details

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

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- Definition

Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Debt (Additional Information) (Detail)	12 Months Ended
Debt (Additional Information) (Detail)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Mar. 31, 2017 USD ($)	Feb. 28, 2017 USD ($)	Feb. 17, 2017
Debt Instrument [Line Items]
Leverage ratio, cash dividends, maximum	2.75
Borrowings under revolving credit facility	$ 123,000,000	$ 228,482,000
Interest expense on debt	7,200,000	6,100,000	$ 5,200,000
Line of credit fees	576,000	573,000	555,000
Debt issuance amortization costs	552,000	552,000	549,000
Maximum
Debt Instrument [Line Items]
Allowed dividend payments	20,000,000.0
Third Amended Credit Agreement
Debt Instrument [Line Items]
Leverage ratio, maximum						3.25
Maximum leverage ratio option						3.50
Interest coverage ratio, minimum						3.00
Repayments of lines of credit	105,500,000	5,000,000.0	$ 110,200,000
Long-term line of credit	$ 1,200,000	$ 1,700,000
Third Amended Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, term			5 years
Credit agreement, maximum borrowing capacity					$ 450,000,000.0
Line of credit facility, additional borrowing capacity					$ 175,000,000.0
Third Amended Credit Agreement \| Minimum \| Revolving Credit Facility
Debt Instrument [Line Items]
Unused commitment fee, percentage	0.20%
Third Amended Credit Agreement \| Maximum \| Revolving Credit Facility
Debt Instrument [Line Items]
Unused commitment fee, percentage	0.30%
Interest rate swap contract \| Third Amended Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Derivative, amount of hedged item				$ 75,000,000.0
Secured Revolving Credit Agreement
Debt Instrument [Line Items]
Debt instrument, lower range basis spread on variable rate			0.375%
Debt instrument, higher range basis spread on variable rate			0.75%
Secured Revolving Credit Agreement \| Eurocurrency loans
Debt Instrument [Line Items]
LIBOR spread minimum			1.375%
LIBOR spread maximum			1.75%
London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis points spread	1.375%
London Interbank Offered Rate (LIBOR) \| Third Amended Credit Agreement
Debt Instrument [Line Items]
Basis points spread	1.375%		0.50%
Adjusted London Interbank Offered Rate (LIBOR) \| Third Amended Credit Agreement
Debt Instrument [Line Items]
Basis points spread			1.00%