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FAIR VALUE MEASUREMENTS, Assets Held in Trust Account (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2021
Dec. 31, 2020
Assets [Abstract]      
Interest income withdrawn from Trust Account $ 0 $ 0 $ 0
Cash [Member]      
Assets [Abstract]      
Assets held in Trust Account 3,963 3,963 1,103
US Treasury Securities [Member]      
Assets [Abstract]      
Assets held in Trust Account $ 281,590,000 $ 281,590,000 $ 278,773,543