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Long-Term Debt (3.95% Promissory Note) - Additional Information (Detail) - 3.95% Promissory Note [Member] - USD ($) $ in Thousands | 1 Months Ended | 9 Months Ended
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Feb. 29, 2020 | Sep. 30, 2020
Debt Instrument [Line Items] |  |
Debt instrument stated interest rate | 3.95% | 3.95%
Repayment of debt |  | In February 2020, the Company repaid its 3.95% Promissory Note for $8,891 including principal and unpaid interest payable at maturity date
Repayments of debt | $ 8,891 |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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- Details
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