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Investment in Affiliates - Additional Information (Details) ¥ in Thousands, $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Apr. 30, 2016 CNY (¥) | Feb. 28, 2013 CNY (¥) | May 31, 2011 CNY (¥) | Dec. 31, 2016 CNY (¥) | Dec. 31, 2019 CNY (¥) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 CNY (¥) | Dec. 31, 2017 CNY (¥)
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |
Income (loss) from equity in affiliates |  |  |  |  | ¥ 115,809 | $ 16,635 | ¥ 14,469 | ¥ 92,136
Kunshan Jingzhao Equity Investment Management Co., Ltd. |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |
Capital Injected in to a joint venture |  |  | ¥ 4,000 |  |  |  |  |
Equity Interest ownership |  |  | 40.00% |  |  |  |  |
Wanjia Win-Win Assets Management Co., Ltd. |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |
Capital Injected in to a joint venture |  | ¥ 21,000 |  |  |  |  |  |
Equity Interest ownership |  | 35.00% |  |  |  |  |  | 28.00%
Wuhu Hongxing Meikailong Equity Investment Management Co., Ltd |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |
Capital Injected in to a joint venture | ¥ 9,800 |  |  |  |  |  |  |
Equity Interest ownership | 50.00% |  |  |  |  |  |  |
Gopher Transform Private Fund |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |
Capital Injected in to a joint venture |  |  |  | ¥ 150,000 |  |  |  |
Investment at cost, percentage |  |  |  | 48.00% |  |  |  |
Maximum | Gopher Asset Management Co., Ltd. |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |
Equity Interest ownership |  |  |  |  |  |  |  | 10.00%

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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
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