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Summary of Significant Accounting Policies - Revenue Recognition (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Mar. 31, 2019 | Apr. 01, 2018
--- | --- | --- | ---
Disaggregation of Revenue [Line Items] |  |  |
Cumulative effect adjustment on APIC | $ 107,727 | $ 92,482 |
Difference between Revenue Guidance in Effect before and after Topic 606 | Accounting Standards Update 2014-09 |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Cumulative effect adjustment on APIC |  |  | $ 411
Cumulative effect adjustment on retained earnings |  |  | 20
Hamilton Lane Advisors, L.L.C. |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Cumulative effect adjustment on retained earnings | 47,090 | 17,686 |
Cumulative effect adjustment on equity | $ 77,757 | $ 53,780 |
Hamilton Lane Advisors, L.L.C. | Difference between Revenue Guidance in Effect before and after Topic 606 | Accounting Standards Update 2014-09 |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Cumulative effect adjustment on equity |  |  | $ 566

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- Definition Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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