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Property and Equipment, Net - Additional Information (Detail) - USD ($) | 9 Months Ended
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Sep. 30, 2019 | Sep. 30, 2018
Property, Plant and Equipment [Abstract] |  |
Fully depreciated computer software and hardware equipment and furniture, fixtures and equipment write-off | $ 3,300,000 | $ 1,400,000
Property and equipment additions incurred but not yet paid | $ 264,000 | $ 926,000

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- Definition Fully depreciated computer software hardware and furniture fixtures and equipment writeoff. + References No definition available. + Details
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- Definition Future cash outflow to pay for purchases of fixed assets that have occurred. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 + Details
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