Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Pay vs Performance Disclosure
Net income (loss) attributable to Graham Holdings Company common stockholders	$ 36,749	$ (21,040)	$ 60,643	$ 103,340

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details