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Summary of Principal Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2019
Summary of Principal Accounting Policies |
Amounts of Noah Investment and its Subsidiaries and the Consolidated Funds Included in Consolidated Financial Statements | The following amounts of Noah Investment and its subsidiaries and the consolidated funds were included in the Group’s consolidated financial statements and are presented before the elimination of intercompany transactions with the non-VIE subsidiaries of the Group. ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | As of December 31
​ | ​ | (Amount in Thousands)
​ | ​ | 2018 | ​ | 2019 | ​ | 2019
​ |  | RMB |  | RMB |  | US$
Cash and cash equivalents |  | 456,063 |  | 892,944 | ​ | 128,264
Restricted cash |  | 2,500 |  | 2,509 | ​ | 360
Short-term investments |  | 405,930 |  | 652,759 | ​ | 93,763
Accounts receivable, net of allowance for doubtful accounts |  | 11,484 |  | 22,253 | ​ | 3,196
Amounts due from related parties |  | 279,860 |  | 338,655 | ​ | 48,645
Other current assets |  | 116,756 |  | 125,877 | ​ | 18,080
Long-term investments |  | 418,710 |  | 496,095 | ​ | 71,260
Investment in affiliates |  | 1,011,565 |  | 843,866 | ​ | 121,214
Property and equipment, net |  | 24,681 |  | 17,922 | ​ | 2,574
Deferred tax assets |  | 29,452 |  | 42,918 | ​ | 6,165
Other non-current assets |  | 17,767 |  | 17,902 | ​ | 2,572
Total assets |  | 2,774,768 |  | 3,453,700 | ​ | 496,093
Accrued payroll and welfare expenses |  | 108,257 |  | 102,211 | ​ | 14,682
Income tax payable |  | 49,192 |  | 63,333 | ​ | 9,097
Amounts due to the Group’s subsidiaries |  | 606,440 |  | 583,347 | ​ | 83,793
Deferred revenue |  | 23,658 |  | 24,363 | ​ | 3,500
Deferred tax liabilities |  | 11,609 |  | 13,637 | ​ | 1,959
Other current liabilities |  | 76,129 |  | 159,037 | ​ | 22,844
Total liabilities |  | 875,285 |  | 945,928 | ​ | 135,875
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years Ended December 31
​ | ​ | (Amount in Thousands)
​ |  | 2017 |  | 2018 |  | 2019 |  | 2019
​ | ​ | RMB | ​ | RMB | ​ | RMB | ​ | US$
Revenue: |  |  |  |  |  |  |  |
Revenues from others |  |  |  |  |  |  |  |
One-time commissions |  | 16,521 |  | 13,146 |  | 71,528 | ​ | 10,274
Recurring service fees |  | 24,275 |  | 16,884 |  | 3,032 | ​ | 436
Performance-based income |  | 2,389 |  | 531 |  | — | ​ | —
Other service fees |  | 58,789 |  | 91,538 |  | 124,837 | ​ | 17,932
Total revenues from others |  | 101,974 |  | 122,099 |  | 199,397 | ​ | 28,642
Revenues from funds Gopher manages |  |  |  |  |  |  |  |
One-time commissions |  | 1,012 |  | 2,085 |  | 3,660 | ​ | 526
Recurring service fees |  | 306,883 |  | 501,873 |  | 615,999 | ​ | 88,482
Performance-based income |  | 37,240 |  | 92,127 |  | 53,010 | ​ | 7,614
Total revenues from funds Gopher manages |  | 345,135 |  | 596,085 |  | 672,669 | ​ | 96,622
Total revenues |  | 447,109 |  | 718,184 |  | 872,066 | ​ | 125,264
Less: VAT related surcharges |  | (2,792) |  | (3,715) |  | (4,916) | ​ | (706)
Net revenues |  | 444,317 |  | 714,469 |  | 867,150 | ​ | 124,558
Total operating cost and expenses |  | (361,765) |  | (372,870) |  | (565,203) | ​ | (81,187)
Total other income |  | 43,281 |  | 73,119 |  | 51,370 | ​ | 7,379
Net income |  | 149,703 |  | 316,951 |  | 289,514 | ​ | 41,586
Net income attributable to Noah Holding Limited shareholders |  | 147,483 |  | 306,912 |  | 278,827 | ​ | 40,051
Cash flows provided by operating activities* |  | 426,663 |  | 429,008 |  | 761,312 | ​ | 109,356
Cash flows used in investing activities |  | (372,590) |  | (379,327) |  | (345,092) | ​ | (49,569)
Cash flows provided by financing activities |  | 15,680 |  | 14,210 |  | 20,670 | ​ | 2,969
* | Cash flows provided by operating activities in 2017, 2018 and 2019 include amounts due to the Group’s subsidiaries of RMB498,557, RMB606,440 and RMB583,347 (US$83,793).
Summary of Maximum Exposure to Loss Associated with Identified Nonconsolidated VIEs | The following table summarizes the Group’s maximum exposure to loss associated with identified nonconsolidated VIEs in which it holds variable interests as of December 31, 2018 and 2019, respectively. ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of December 31,
​ | ​ | (Amount in Thousands)
​ |  | 2018 |  | 2019 |  | 2019
​ | ​ | RMB | ​ | RMB | ​ | US$
Amounts due from related parties |  | 79,464 |  | 88,415 | ​ | 12,700
Investments |  | 581,255 |  | 471,602 | ​ | 67,741
Maximum exposure to loss in non-consolidated VIEs |  | 660,719 |  | 560,017 | ​ | 80,441
Summary of Effects of Changes in Group's Ownership Interest in Less than Wholly Owned Subsidiaries on Equity Attributable to Noah Holdings Limited Shareholders | The following schedule shows the effects of changes in the Company’s ownership interest in less than wholly owned subsidiaries on equity attributable to Noah Holdings Limited shareholders: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years Ended December 31,
​ | ​ | (Amount in Thousands)
​ |  | 2017 |  | 2018 |  | 2019 |  | 2019
​ | ​ | RMB | ​ | RMB | ​ | RMB | ​ | US$
Net income attributable to Noah Holdings Limited shareholders |  | 762,923 |  | 811,297 |  | 829,151 | ​ | 119,098
Transfers from the non-controlling interest: |  |  |  |  |  |  |  |
Increase in Noah’s equity by partial disposal of subsidiaries |  | 30 |  | — |  | — |  | —
Increase in Noah’s capital from contribution of non-controlling interest | ​ | — |  | — | ​ | 17,640 | ​ | 2,534
Net transfers from non-controlling interest |  | 30 |  | — |  | 17,640 |  | 2,534
Change from net income attributable to Noah and transfers from non-controlling interest |  | 762,953 |  | 811,297 |  | 846,791 | ​ | 121,632
Schedule of Estimated Useful Lives of Property and Equipment | Property and equipment is stated at cost less accumulated depreciation, and is depreciated using the straight-line method over the following estimated useful lives: ​
​ | ​ | ​
​ |  | Estimated Useful Lives in Years
Leasehold improvements |  | Shorter of the lease term or expected useful life
Furniture, fixtures, and equipment |  | 3—5 years
Motor Vehicles |  | 5 years
Software |  | 2—5 years
Building |  | 30 years
Schedule of Primary Revenue Streams from Contracts with Customers | ​
Revenue Streams |  | Performance Obligation Satisfied Over Time or Point In Time |  | Payment Terms |  | Variable or Fixed Consideration
Fund distribution services | ​ | Point in time | ​ | Typically paid within a month after financial product established | ​ | Fixed
Insurance brokerage services | ​ | Point in time | ​ | Typically monthly in arrears | ​ | Fixed
Recurring service fees | ​ | Over time | ​ | Typically quarterly, semi-annually or annually | ​ | Variable
Performance-based income | ​ | Point in time | ​ | Typically paid shortly after the income has been determined | ​ | Variable
Lending services | ​ | Over time | ​ | Typically monthly in arrears | ​ | Fixed
Investor education services | ​ | Point in time | ​ | Typically paid at the beginning of each course | ​ | Fixed
Schedule of Disaggregation of Revenue | The following tables show, by segment, revenue from contracts with customers disaggregated by service lines for the years ended December 31, 2018 and 2019: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31, 2019
​ | ​ | (Amount in Thousands)
​ | ​ | Wealth Management | ​ | Assets Management | ​ | Lending and Other | ​ | ​
​ |  | Business |  | Business |  | Businesses |  | Total
​ | ​ | RMB | ​ | RMB | ​ | RMB | ​ | RMB
One-time commissions |  | 928,061 | ​ | 3,607 | ​ | — | ​ | 931,668
Recurring service fees |  | 1,155,450 | ​ | 690,015 | ​ | — | ​ | 1,845,465
Performance-based income |  | 23,430 | ​ | 89,655 | ​ | — | ​ | 113,085
Other service fees |  | 222,912 | ​ | 4,274 | ​ | 295,772 | ​ | 522,958
Lending services |  | 91,164 | ​ | — | ​ | 285,473 | ​ | 376,637
Investor education services |  | 26,353 | ​ | — | ​ | — | ​ | 26,353
Other services(1) |  | 105,395 | ​ | 4,274 | ​ | 10,299 | ​ | 119,968
Total revenues |  | 2,329,853 | ​ | 787,551 | ​ | 295,772 | ​ | 3,413,176
(1) | The Group also provides other services including financial leasing, family trust and payment technology services.
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31, 2018
​ | ​ | (Amount in Thousands)
​ |  | ​ |  | ​ |  | Other Financial |  | ​
​ | ​ | Wealth Management | ​ | Assets Management | ​ | Service | ​ | ​
​ |  | Business |  | Business |  | Business |  | Total
​ | ​ | RMB | ​ | RMB | ​ | RMB | ​ | RMB
One-time commissions |  | 1,024,323 | ​ | 3,670 | ​ | — | ​ | 1,027,993
Recurring service fees |  | 1,136,010 | ​ | 640,539 | ​ | — | ​ | 1,776,549
Performance-based income |  | 44,309 | ​ | 99,325 | ​ | — | ​ | 143,634
Other service fees |  | 113,570 | ​ | 8,225 | ​ | 240,091 | ​ | 361,886
Lending services |  | — | ​ | — | ​ | 209,804 | ​ | 209,804
Investor education services |  | 36,555 | ​ | — | ​ | — | ​ | 36,555
Other services |  | 77,015 | ​ | 8,225 | ​ | 30,287 | ​ | 115,527
Total revenues |  | 2,318,212 | ​ | 751,759 | ​ | 240,091 | ​ | 3,310,062
​ For the Group's revenues generated by the different geographic location, please see note 18 segment information.
Schedule of Changes in Reserve for Allowances for Doubtful Accounts | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year ended December 31, 2019
​ | ​ | (Amounts in thousands)
​ | ​ | Amount due | ​ | Accounts | ​ | Loan receivables | ​ | Other
​ | ​ | from related parties | ​ | receivable | ​ | from factoring business | ​ | receivables
​ | ​ | RMB | ​ | RMB | ​ | RMB | ​ | RMB
Balance at beginning of the year |  | — |  | — |  | — |  | —
Provisions |  | 14,602 |  | 11,858 |  | 82,000 |  | 16,912
Write off |  | (14,602) |  | (11,858) |  | (82,000) |  | (16,912)
Balance at end of the year |  | — |  | — |  | — |  | —

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- Definition Tabular disclosure of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -URI http://asc.fasb.org/extlink&oid=118582676&loc=SL6759159-111685 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=118582676&loc=d3e5747-111685 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=118582676&loc=SL6228884-111685 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=118582676&loc=d3e5710-111685 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118582676&loc=d3e5728-111685 + Details
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