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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Statement of Comprehensive Income [Abstract]      
Revenue from Related Parties ¥ 1,761 ¥ 0 ¥ 0