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Prepaid Expenses and Other Current Assets - Summary of Prepaid Expenses and Other Current Assets (Details)
¥ in Thousands, $ in Thousands

Dec. 31, 2019

CNY (¥)

Dec. 31, 2019

USD ($)

Dec. 31, 2018

CNY (¥)

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Prepaid and input VAT

¥ 120,376

¥ 58,234

Prepaid expenses

^[1]

21,896

10,820

Prepaid marketing expenses

16,192

23,756

Deposits

^[2]

8,929

4,595

Receivables from third-party payment platforms

4,367

3,886

Interest receivables

1,737

11,632

Staff advances

751

9,242

Others

6,633

2,743

Total

¥ 180,881

$ 25,982

¥ 124,908

[1]	Represented the prepaid expenses for telecommunications, network, online live steaming, advertising and student academic registration fee.
[2]	Represented rental deposits, deposits for search engine marketing activities and deposits for leasehold improvement of buildings which all being refundable within one year.

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