Furniture, Equipment and Leasehold Improvements, Net - Summary of Furniture, Equipment and Leasehold Improvements, Net (Detail) - USD ($) $ in Thousands |
Sep. 30, 2019 |
Dec. 31, 2018 |
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| Property Plant And Equipment Useful Life And Values [Abstract] | ||
| Total cost | $ 14,588 | $ 11,734 |
| Accumulated depreciation and amortization | (8,569) | (8,298) |
| Furniture, equipment and leasehold improvements, net | 6,019 | 3,436 |
| Leasehold Improvements | ||
| Property Plant And Equipment Useful Life And Values [Abstract] | ||
| Total cost | 7,688 | 5,229 |
| Furniture and Equipment | ||
| Property Plant And Equipment Useful Life And Values [Abstract] | ||
| Total cost | 6,409 | 6,022 |
| Artwork | ||
| Property Plant And Equipment Useful Life And Values [Abstract] | ||
| Total cost | $ 491 | $ 483 |
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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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