Investments Purchased, Shares

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

This item represents the aggregate value of each identified investment accounted for under the equity method of accounting based on the quoted market price for those investments in common stock for which a quoted market price is available.

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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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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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Investments in Affiliates Accounted for Using the Equity Method (Investment in Lending Tree) (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Schedule of Equity Method Investments [Line Items]
Carrying amount	$ 174,134		$ 174,134		$ 114,655
Share of earnings (losses)	$ 10,856	$ 1,648	$ 18,714	$ 4,971
LendingTree
Schedule of Equity Method Investments [Line Items]
Percentage ownership	25.05%		25.05%
Market value	$ 792,462		$ 792,462
Carrying amount	171,027		171,027		114,655
Share of earnings (losses)	$ 10,200	$ 1,700	15,500	$ 5,000
Additional shares acquired	220
Other
Schedule of Equity Method Investments [Line Items]
Carrying amount	$ 3,107		$ 3,107		$ 0