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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Information Relating to Property, Plant and Equipment) (Details)
12 Months Ended
Dec. 31, 2021
Buildings | Minimum  
Property, Plant and Equipment [Line Items]  
Estimated useful life 20
Buildings | Maximum  
Property, Plant and Equipment [Line Items]  
Estimated useful life P50Y
Medical Equipment | Minimum  
Property, Plant and Equipment [Line Items]  
Estimated useful life 5
Medical Equipment | Maximum  
Property, Plant and Equipment [Line Items]  
Estimated useful life P20Y
Electronic and Office Equipment | Minimum  
Property, Plant and Equipment [Line Items]  
Estimated useful life 3
Electronic and Office Equipment | Maximum  
Property, Plant and Equipment [Line Items]  
Estimated useful life P5Y
Motor Vehicles  
Property, Plant and Equipment [Line Items]  
Estimated useful life P5Y
Leasehold Improvement and Building Improvement | Maximum  
Property, Plant and Equipment [Line Items]  
Estimated useful life P5Y