Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2026	Dec. 31, 2025
Common stock, par value (in dollars per share)	$ 0.0000001	$ 0.0000001
Common stock authorized (in shares)	500,000,000	500,000,000
Common stock issued (in shares)	1,000	1,000
Common stock outstanding (in shares)	1,000	1,000
Madison Industries IAQ Solutions Corporation
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock authorized (in shares)	1,000	1,000
Common stock issued (in shares)	1,000	1,000
Common stock outstanding (in shares)	1,000	1,000