Receivables, Net  | 
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| Receivables [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Receivables, Net | 
 5. RECEIVABLES, NET The following is a summary of receivables as of March 31, 2021 and December 31, 2020: 
 
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- Definition The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- References No definition available. 
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