XML 148 R119.htm IDEA: XBRL DOCUMENT v3.21.1
REVENUE (Details) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Revenue recognition      
Net revenue ¥ 5,738,972 ¥ 4,122,405 ¥ 2,792,077
Service revenue      
Revenue recognition      
Net revenue 5,716,868 4,094,571 2,759,490
Colocation services      
Revenue recognition      
Net revenue 4,710,923 3,261,745 2,104,259
Managed service and others      
Revenue recognition      
Net revenue 1,005,945 832,826 655,231
Equipment Sales      
Revenue recognition      
Net revenue ¥ 22,104 ¥ 27,834 ¥ 32,587