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Stockholder’s Equity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Class of Stock [Line Items]
Repurchase and retirement of equity	$ 1,238	$ 102,660
Alclear Holdings LLC
Class of Stock [Line Items]
Ownership percentage	24.63%		26.18%
Class A
Class of Stock [Line Items]
Repurchased and retirement of equity (in shares)	39,901
Repurchase and retirement of equity	$ 1,238
Average price paid per share (in USD per share)	$ 31.02
Remaining authorized repurchase amount	$ 250,271
Class A \| Common Stock
Class of Stock [Line Items]
Repurchased and retirement of equity (in shares)	39,901	4,267,758
Exchange of shares (in shares)	2,179,104	90,950