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Leases - Additional Information (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 USD ($) contract | Jun. 30, 2019 USD ($) | Jun. 30, 2020 USD ($) contract | Jun. 30, 2019 USD ($)
Lessee, Lease, Description [Line Items] |  |  |  |
Number of current finance leases | contract | 1 |  | 1 |
Number of current operating leases | contract | 2 |  | 2 |
Sublease income | $ 108 | $ 105 | $ 216 | $ 149
Right-of-use asset | 960 | 1,420 | 960 | 1,420
Operating lease, liability | $ 1,118 | $ 1,630 | $ 1,118 | $ 1,630
Maximum |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |
Operating lease contract terms | 76 months |  | 76 months |
Minimum |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |
Operating lease contract terms | 42 months |  | 42 months |

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- Definition Lessee, Finance Lease, Number Of Leases + References No definition available. + Details
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- Definition Lessee, Operating Lease, Number Of Leases + References No definition available. + Details
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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. + References No definition available. + Details
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- Definition Term of lessee's operating lease, 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=77888426&loc=SL77918673-209980 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Amount of sublease income excluding finance and operating lease expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: 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=77888399&loc=SL77918982-209971 + Details
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