Noncontrolling Interests (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended	6 Months Ended
Apr. 30, 2022	Jun. 30, 2022	Jun. 30, 2021
Noncontrolling Interest [Line Items]
Other		$ 8,000	$ 8,040
Transfer from redeemable noncontrolling interests		18,400	18,367
Payments to noncontrolling interests		2,500	0
Contingent consideration for purchase of noncontrolling interests		2,806	$ 0
25/7 Media
Noncontrolling Interest [Line Items]
Percentage of interest acquired	50.00%
Consideration transferred	$ 7,100
Payments to noncontrolling interests	2,500
Contingent consideration for purchase of noncontrolling interests	$ 4,600
Consideration transferred, fair value, net		4,400
Consideration transferred, tax		$ 900

Business Combination, Consideration Transferred, Fair Value, Net

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Business Combination, Consideration Transferred, Tax

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Redeemable Noncontrolling Interest, Distributions Related to Spin-off Transaction

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of liability recognized arising from contingent consideration in a business combination.

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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.

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Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.

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The difference between the carrying amount of a financial instrument subject to a registration payment arrangement recorded as temporary equity prior to adoption of FSP EITF 00-19-2 and the carrying amount reclassified to permanent equity upon the adoption of FSP EITF 00-19-2. Recorded as a cumulative effect adjustment to the beginning balance of retained earnings. Does not apply to registration payment arrangements that are no longer outstanding upon adoption of FSP EITF 00-19-2.

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