Debt Instrument, Basis Spread On Variable Rate If Leverage Ratio Met

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- Definition

Debt Instrument, Basis on Spread on Variable Rate, Increase (Decrease)

+ References

No definition available.

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- Definition

Debt Instrument, Covenant, Leverage Ratio

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Covenant, Threshold of Long-term Line of Credit, Trigger Amount

+ References

No definition available.

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- Definition

Debt Instrument, Interest Rate Floor, Variable Rate Floor

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Number of Covenants

+ References

No definition available.

+ Details

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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.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
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Balance Type:	credit
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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
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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.

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- Definition

Gross amount of debt extinguished.

+ References

No definition available.

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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
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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

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

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Debt - Additional Information (Detail)				9 Months Ended
Debt - Additional Information (Detail)	Dec. 06, 2017	Feb. 21, 2017	Aug. 18, 2016 USD ($)	Sep. 30, 2018 USD ($) covenant	Sep. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)
Debt Instrument [Line Items]
Scheduled mandatory principal payments				$ 2,000,000	$ 2,000,000
First Lien Credit Agreement
Debt Instrument [Line Items]
Number of covenants \| covenant				1
Debt covenant trigger, line of credit facility amount less letters of credit threshold				$ 22,500,000.0
First Lien Credit Agreement \| Maximum
Debt Instrument [Line Items]
Leverage ratio (no greater than)				5.0
Amended and Restated Credit Agreement
Debt Instrument [Line Items]
Decrease in basis spread, percentage	25.00%	0.25%
Leverage ratio (no greater than)	1.1
Amended and Restated Credit Agreement \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt, variable interest rate (as a percent)	2.25%	2.50%
Debt, variable interest rate if leverage ratio met	2.00%
Term Loan Facility \| First Lien Credit Agreement
Debt Instrument [Line Items]
Debt principal amount			$ 275,000,000
Effective interest rate				5.00%
Term Loan Facility \| First Lien Credit Agreement \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt, variable interest rate (as a percent)			2.75%
Floor rate			0.75%
Term Loan Facility \| Amended and Restated Credit Agreement \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt, variable interest rate (as a percent)				2.25%
Floor rate				0.75%
Line of Credit \| First Lien Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility borrowing capacity			$ 75,000,000
Debt, variable interest rate (as a percent)				2.25%
Outstanding amount				$ 0		$ 0
Proceeds from line of credit				$ 0	$ 0
Facility fee, basis points				0.50%
Remaining outstanding				$ 73,600,000