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Variable Interest Entities and Consolidated Investment Products (Details) - USD ($) $ in Thousands | 6 Months Ended |  |  |
--- | --- | --- | --- | ---
Jun. 30, 2020 | Jan. 01, 2020 | Dec. 31, 2019 | Jun. 30, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Deconsolidation, Gain (Loss), Amount | $ 0 |  |  |
Amounts reclassified to investment securities upon deconsolidation |  | $ 1,500 |  |
Investments | 5,297 |  | $ 23,878 |
Less: redeemable noncontrolling interest | 46,027 |  | 43,110 |
Artisan’s direct equity investment in CIPs | 33,100 |  |  |
Variable Interest Entity, Not Primary Beneficiary [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Artisan’s direct equity investment in CIPs | 1,700 |  |  |
Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash and cash equivalents | 4,800 |  | 9,005 | $ 6,096
Investments | 107,396 |  | 106,736 |
Investment liabilities, at fair value | 12,676 |  | 6,186 |
Net CIP assets included in the table above | 99,420 |  | 105,555 |
Net CIP assets/(liabilities) not included in the table above | (20,311) |  | (28,509) |
Total Net CIP assets | 79,109 |  | 77,046 |
Artisan’s direct equity investment in CIPs | 33,082 |  | 33,936 |
Fair Value, Measurements, Recurring | Variable Interest Entity, Primary Beneficiary [Member] | Money Market Funds |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash and cash equivalents | 4,700 |  | 5,005 |
Fair Value, Measurements, Recurring | Variable Interest Entity, Primary Beneficiary [Member] | Equity Securities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Investments | 6,211 |  | 9,933 |
Fair Value, Measurements, Recurring | Variable Interest Entity, Primary Beneficiary [Member] | Debt Securities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Investments | 101,185 |  | 96,681 |
Investment liabilities, at fair value | 12,662 |  | 6,005 |
Fair Value, Measurements, Recurring | Variable Interest Entity, Primary Beneficiary [Member] | Derivative |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Investments |  |  | 122 |
Investment liabilities, at fair value | 14 |  | 181 |
Level 1 | Fair Value, Measurements, Recurring | Variable Interest Entity, Primary Beneficiary [Member] | Money Market Funds |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash and cash equivalents | 4,700 |  | 5,005 |
Level 1 | Fair Value, Measurements, Recurring | Variable Interest Entity, Primary Beneficiary [Member] | Equity Securities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Investments | 6,211 |  | 9,933 |
Level 1 | Fair Value, Measurements, Recurring | Variable Interest Entity, Primary Beneficiary [Member] | Debt Securities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Investments | 0 |  | 0 |
Investment liabilities, at fair value | 0 |  | 0 |
Level 1 | Fair Value, Measurements, Recurring | Variable Interest Entity, Primary Beneficiary [Member] | Derivative |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Investments |  |  | 22 |
Investment liabilities, at fair value | 14 |  | 0 |
Level 2 | Fair Value, Measurements, Recurring | Variable Interest Entity, Primary Beneficiary [Member] | Money Market Funds |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash and cash equivalents | 0 |  | 0 |
Level 2 | Fair Value, Measurements, Recurring | Variable Interest Entity, Primary Beneficiary [Member] | Equity Securities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Investments | 0 |  | 0 |
Level 2 | Fair Value, Measurements, Recurring | Variable Interest Entity, Primary Beneficiary [Member] | Debt Securities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Investments | 101,185 |  | 96,681 |
Investment liabilities, at fair value | 12,662 |  | 6,005 |
Level 2 | Fair Value, Measurements, Recurring | Variable Interest Entity, Primary Beneficiary [Member] | Derivative |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Investments |  |  | 100 |
Investment liabilities, at fair value | 0 |  | 181 |
Level 3 | Fair Value, Measurements, Recurring | Variable Interest Entity, Primary Beneficiary [Member] | Money Market Funds |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash and cash equivalents | 0 |  | 0 |
Level 3 | Fair Value, Measurements, Recurring | Variable Interest Entity, Primary Beneficiary [Member] | Equity Securities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Investments | 0 |  | 0 |
Level 3 | Fair Value, Measurements, Recurring | Variable Interest Entity, Primary Beneficiary [Member] | Debt Securities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Investments | 0 |  | 0 |
Investment liabilities, at fair value | 0 |  | 0 |
Level 3 | Fair Value, Measurements, Recurring | Variable Interest Entity, Primary Beneficiary [Member] | Derivative |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Investments |  |  | 0 |
Investment liabilities, at fair value | $ 0 |  | $ 0 |

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