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

No definition available.

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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

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ 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.

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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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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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

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.

+ Details

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- Definition

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

+ References

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- Definition

Indebtedness divided by net capital.

+ References

No definition available.

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

No definition available.

+ Details

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Debt - Senior Secured Term Loan and Revolving Credit Facility (Details) - USD ($)	8 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Current portion of long-term debt	$ 0	$ 39,800,000	$ 0
Line of credit facility repayments	$ 72,000,000	$ 0	$ 72,000,000	$ 0
Secured line of credit \| Term loan facility
Debt Instrument [Line Items]
Effective interest rate		4.53%
Senior secured term loan \| 3.98% Senior Secured Term Loan
Debt Instrument [Line Items]
Repayments of debt		$ 40,000,000
Senior secured term loan \| Term loan facility
Debt Instrument [Line Items]
Effective interest rate		4.10%
Revolving credit facility \| Secured line of credit \| Term loan facility
Debt Instrument [Line Items]
Borrowing capacity		$ 250,000,000
Unused capacity, commitment fee percentage		0.40%
Consolidated total leverage ratio (less than)		2.25
Revolving credit facility \| Secured line of credit \| Term loan facility \| Leverage Ratio, less than 2.25
Debt Instrument [Line Items]
Unused capacity, commitment fee percentage		0.25%
Revolving credit facility \| Secured line of credit \| Term loan facility \| Base rate \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate		0.75%
Revolving credit facility \| Secured line of credit \| Term loan facility \| Base rate \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate		1.50%
Revolving credit facility \| Secured line of credit \| Term loan facility \| LIBOR \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate		1.75%
Revolving credit facility \| Secured line of credit \| Term loan facility \| LIBOR \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate		2.50%
Revolving credit facility \| Senior secured term loan \| Term loan facility
Debt Instrument [Line Items]
Amount outstanding		$ 0
Letter of credit \| Secured line of credit \| Term loan facility
Debt Instrument [Line Items]
Borrowing capacity		75,000,000
Letter of credit \| Senior secured term loan \| Term loan facility
Debt Instrument [Line Items]
Amount outstanding		3,000,000
Swingline sub-facility \| Secured line of credit \| Term loan facility
Debt Instrument [Line Items]
Borrowing capacity		$ 25,000,000
Option 1 \| Senior secured term loan \| Term loan facility \| Base rate \| Minimum
Debt Instrument [Line Items]
Interest rate floor		0.75%
Option 1 \| Senior secured term loan \| Term loan facility \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate		2.75%
Option 2 \| Senior secured term loan \| Term loan facility \| Base rate
Debt Instrument [Line Items]
Basis spread on variable rate		1.75%
Option 2 \| Senior secured term loan \| Term loan facility \| U.S. federal funds effective rate
Debt Instrument [Line Items]
Basis spread on variable rate		0.50%
Option 2 \| Senior secured term loan \| Term loan facility \| One month LIBOR Rate
Debt Instrument [Line Items]
Basis spread on variable rate		1.00%