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

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.

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- Definition

Weighted average interest rate of debt outstanding.

+ 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/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.8)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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- Definition

Amount of cash paid for interest. Includes, but is not limited to, payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4297-108586

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-Publisher FASB
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-Section 45
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-Subparagraph (e)
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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))
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-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Balance Type:	credit
Period Type:	instant

- 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 cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

No definition available.

+ Details

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Balance Type:	debit
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
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-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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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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- Details

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- Details

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- Details

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Debt (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
Debt (Narrative) (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Oct. 05, 2017	May 12, 2017	Jul. 23, 2015	Aug. 14, 2013
Debt Instrument [Line Items]
Repayments of debt, principal	$ 365.0	$ 404.6	$ 76.1
Interest expense	2.3	3.0	1.6
Draw down of debt and revolving line of credit	376.0	352.5	171.5
Interest paid	1.4	2.1	0.1
WTM Bank Facility
Debt Instrument [Line Items]
Total commitment under revolving credit facility							$ 425.0
Issuance of debt, net of debt issuance costs	$ 350.0	$ 350.0
Debt, weighted average interest rate	4.45%	3.85%
Repayments of debt, principal	$ 350.0	$ 400.0
Interest expense	0.6	1.2	0.1
MediaAlpha Bank Facility
Debt Instrument [Line Items]
Interest expense	1.0	0.9	0.4
MediaAlpha
Debt Instrument [Line Items]
Interest expense	1.0	$ 0.9	$ 0.4
MediaAlpha \| MediaAlpha Bank Facility
Debt Instrument [Line Items]
Total commitment under revolving credit facility				$ 28.4	$ 20.0
Draw down of debt and revolving line of credit	6.0
MediaAlpha \| Previous MediaAlpha Bank Facility
Debt Instrument [Line Items]
Total commitment under revolving credit facility						$ 20.0
Repayments of debt, principal	$ 12.9
Term Loan \| MediaAlpha Bank Facility
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.50%
Term Loan \| MediaAlpha \| MediaAlpha Bank Facility
Debt Instrument [Line Items]
Total commitment under revolving credit facility	$ 18.4
Issuance of debt, net of debt issuance costs	20.0
Repayments of debt, principal	2.1
Long-term line of credit	17.9
Revolving Credit Facility \| MediaAlpha \| MediaAlpha Bank Facility
Debt Instrument [Line Items]
Total commitment under revolving credit facility	10.0
Long-term line of credit	$ 6.0
Line of Credit \| MediaAlpha Bank Facility
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.25%