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Acquisitions, Goodwill and Other Intangible Assets - Summary of Goodwill and Intangible Assets (Detail) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019 | Mar. 31, 2019 | Dec. 31, 2018
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Goodwill and Intangible Assets Disclosure [Abstract] |  |  |  |
Goodwill, gross carrying amount | $ 19,062 | $ 15,072 |  |
Intangible assets, gross carrying amount | 14,851 | 9,050 |  |
Goodwill and intangible assets, gross carrying amount, total | 33,913 | 24,122 |  |
Goodwill, accumulated amortization | 0 | 0 |  |
Intangible assets, accumulated amortization | (2,659) | (1,810) |  |
Goodwill, net book value | 19,062 | 15,072 | $ 11,459 | $ 11,459
Intangible assets, net book value | 12,192 | 7,240 |  |
Goodwill and intangible assets, net book value | $ 31,254 | $ 22,312 |  |

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- Definition Gross carrying amount of finite-lived intangible assets and goodwill. Goodwill is an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Intangible assets are assets, not including financial assets, lacking physical substance. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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