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Commitments and Contingencies - Presentation of Operating Lease Liability and Right-of-Use Asset (Detail) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
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Commitments And Contingencies Disclosure [Abstract] |  |
Present value of future minimum lease payments | $ 3,312 |
Operating lease liability, current portion | 40 | $ 36
Operating lease liability, long-term portion | 3,272 | 3,326
Total operating lease liability | 3,312 |
Difference between future minimum lease payments and discounted cash flows | 3,050 |
Operating lease right-of-use asset | $ 3,143 | $ 3,191

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- Definition Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for 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 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. + 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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