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Property and Equipment - Additional Information (Detail) - USD ($) $ in Millions |  |  | 3 Months Ended
--- | --- | --- | ---
Feb. 17, 2017 | Jan. 06, 2017 | Mar. 31, 2018
Furniture, fixtures and office equipment |  |  |
Depreciation And Other Amortization Expenses [Line Items] |  |  |
Amount of divestiture of long-lived |  |  | $ 0.4
Land, Buildings and Improvements | California |  |  |
Depreciation And Other Amortization Expenses [Line Items] |  |  |
Amount of divestiture of long-lived |  | $ 17.3 |
Cash received from property, plant and equipment | $ 17.3 |  |
Net cash received from property, plant and equipment |  | 16.7 |
Payments for commissions and other fees |  | $ 0.6 |

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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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- Definition Amount of divestiture of long-lived, 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, furniture and fixtures, and computer equipment. + References No definition available. + Details
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