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Summary of Principal Accounting Policies - Summary of Maximum Exposure to Loss Associated with Identified Nonconsolidated VIEs (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2019 CNY (¥) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 CNY (¥)
--- | --- | --- | ---
Nonconsolidated VIEs |  |  |
Maximum exposure to loss in non-consolidated VIEs | ¥ 560,017 | $ 80,441 | ¥ 660,719
Liabilities due nonconsolidated VIEs | 0 |  |
Contingent liabilities related to nonconsolidated VIEs | 0 |  |
Guarantees related to nonconsolidated VIEs | 0 |  |
Amount due from related parties |  |  |
Nonconsolidated VIEs |  |  |
Maximum exposure to loss in non-consolidated VIEs | 88,415 | 12,700 | 79,464
Investments |  |  |
Nonconsolidated VIEs |  |  |
Maximum exposure to loss in non-consolidated VIEs | ¥ 471,602 | $ 67,741 | ¥ 581,255

X
- Definition Amount of contingent liabilities that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), where the reporting entity is not the VIE's primary beneficiary. + References No definition available. + Details
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- Definition Amount committed to guarantees, implicit or explicit, to the reporting entity's variable interest in the Variable Interest Entity (VIE), where the reporting entity is not the VIE's primary beneficiary. + References No definition available. + Details
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- Definition The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118582676&loc=d3e5747-111685 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph b -URI http://asc.fasb.org/extlink&oid=118582676&loc=d3e5728-111685 + Details
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- Definition Carrying amount of the liabilities in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), where the reporting entity is not the VIE's primary beneficiary. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph a -URI http://asc.fasb.org/extlink&oid=118582676&loc=d3e5728-111685 + Details
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- Details
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