v3.24.2
Consolidated Statement of Stockholders' Deficit (FY) (Parenthetical) - USD ($)
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Jan. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Jan. 31, 2022
Oct. 31, 2021
Feb. 08, 2021
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Common stock, shares outstanding (in shares) 136,700,583 [1]   100,000,000 87,500,000 100,000,000 100,000,000 100,000,000 10,000
Common stock, par value (in dollars per share) $ 0.0001   $ 0.000001 $ 0.0001 $ 0.000001 $ 0.000001 $ 0.000001 $ 0.000001
Value of paid in capital upon conversion of common stock $ 300,426,000 $ 0            
Paid-in Capital [Member]                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Stock issued upon conversion of common stock (in shares) 6,014,534              
Value of paid in capital upon conversion of common stock $ 600              
[1] Excludes 4,667,033 shares not outstanding and held in escrow