Equity - Additional Information (Detail) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | 6 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2018 |
May 31, 2018 |
Apr. 30, 2018 |
Mar. 31, 2018 |
Jan. 31, 2018 |
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
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| Class Of Stock [Line Items] | |||||||||
| Partnership distributions, amount | $ 2,940 | $ 2,693 | $ 5,012 | $ 4,642 | |||||
| Distributions of partner incentive allocations of net income | $ 24,935 | $ 21,177 | |||||||
| Class B Common Stock | |||||||||
| Class Of Stock [Line Items] | |||||||||
| Share conversion, Shares | 24,732 | 20,000 | (162,000) | (28,000) | |||||
| Issuance of Class B shares, Shares | 6,289 | 948 | 6,000 | 13,000 | |||||
| Class B Common Stock | Resale And Registration Rights Agreement | |||||||||
| Class Of Stock [Line Items] | |||||||||
| Share conversion, Shares | 24,732 | 20,000 | 85,286 | 31,650 | |||||
| Class A Common Stock | |||||||||
| Class Of Stock [Line Items] | |||||||||
| Share conversion, Shares | 162,000 | 28,000 | |||||||
| Issuance of Class B shares, Shares | 1,896 | ||||||||
| Silvercrest L.P | |||||||||
| Class Of Stock [Line Items] | |||||||||
| Accrued partner incentive allocations | $ 7,138 | $ 5,827 | $ 13,901 | $ 9,028 | |||||
| X | ||||||||||
- Definition Distributions of partner incentive allocations of net income. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of expense for incentive rights held by the managing member or general partner, of limited liability company (LLC) or limited partnership (LP). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Total distributions to each class of partners (i.e., general, limited and preferred partners). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of shares issued during the period as a result of the conversion of convertible securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of new stock issued during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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