Condensed Consolidated Statements of Stockholders' Equity and Redeemable Noncontrolling Interest (Unaudited) (Parentheticals) - USD ($) $ in Thousands |
3 Months Ended | |||
|---|---|---|---|---|
Jun. 30, 2025 |
Mar. 31, 2025 |
Jun. 30, 2024 |
Mar. 31, 2024 |
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| Common Class A [Member] | ||||
| Dividends declared (in dollars per share) | $ 0.06 | $ 0.06 | $ 0.06 | $ 0.06 |
| Common Class B [Member] | ||||
| Dividends declared (in dollars per share) | $ 0.07 | $ 0.07 | $ 0.07 | $ 0.07 |
| Foreign currency translation adjustment, tax expense | $ 0 | $ 0 | $ 0 | $ 26 |
| Unrealized losses on interest rate swap cash flow hedge, tax | 0 | 0 | 0 | |
| Change in unfunded SERP liability, tax | 8 | (4) | (4) | |
| Unrealized holding losses on marketable securities arising during the period, tax | $ 0 | $ 0 | $ 0 | |
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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of tax expense (benefit) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before adjustment, of tax expense (benefit) for unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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