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FAIR VALUE MEASUREMENTS, Assets Held in Trust Account (FY) (Details) - USD ($)
3 Months Ended 5 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2020
Dec. 31, 2021
Assets [Abstract]      
Interest income withdrawn from Trust Account $ 0 $ 0 $ 0
Cash [Member]      
Assets [Abstract]      
Assets held in Trust Account 10,206 1,103 6,579
US Treasury Securities [Member]      
Assets [Abstract]      
Assets held in Trust Account $ 284,409,300 $ 278,773,543 $ 284,373,197