Quarterly report pursuant to Section 13 or 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Good will (Details)

v3.22.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Good will (Details)
3 Months Ended
Mar. 31, 2022
USD ($)
segment
Mar. 31, 2021
USD ($)
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES    
Number of reporting segment | segment 1  
Goodwill impairment charges | $ $ 0 $ 0