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Leases - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019 | Jan. 01, 2019
Lessee Lease Description [Line Items] |  |  |  |  |  |
Operating lease asset | $ 18,545 |  | $ 18,545 |  | $ 14,110 |
Operating lease liability | 19,112 |  | $ 19,112 |  | $ 14,466 |
Operating lease description |  |  | The Company enters into lease agreements with terms generally ranging from 2-7 years. Some of the Company’s lease agreements include Company options to extend the lease on a month to month basis or for set periods for up to five years. Many leases also include options to terminate the leases within one year or per other contractual terms. Renewal and termination options were generally not included in the lease term for the Company’s existing operating leases. |  |  |
Operating lease, existence of option to extend |  |  | true |  |  |
Operating lease maximum term of options to terminate lease |  |  | 1 year |  |  |
Operating lease expense | $ 1,100 | $ 600 | $ 3,100 | $ 1,400 |  |
Minimum [Member] |  |  |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |  |  |
Operating lease, term of contract | 2 years |  | 2 years |  |  |
Maximum [Member] |  |  |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |  |  |
Operating lease, term of contract | 7 years |  | 7 years |  |  |
Operating lease options to extend lease | 5 years |  | 5 years |  |  |
ASU 2016-02 [Member] |  |  |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |  |  |
Operating lease asset |  |  |  |  |  | $ 5,500
Operating lease liability |  |  |  |  |  | 5,500
Additional operating lease asset |  |  |  |  |  | 9,800
Additional operating lease liability |  |  |  |  |  | $ 9,800

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- Definition Additional operating lease right of use asset. + References No definition available. + Details
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- Definition Description of lessee's operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
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- Definition Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=121568110&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 + Details
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