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Goodwill & Intangibles - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2020	Dec. 31, 2019
Schedule Of Goodwill And Intangible Assets [Line Items]
Goodwill impairment		$ 0
Goodwill	$ 1,702,000		$ 1,702,000	$ 1,702,000
General and Administrative Expense
Schedule Of Goodwill And Intangible Assets [Line Items]
Intangible asset amortization	$ 17,000		$ 50,000
Customer Relationships
Schedule Of Goodwill And Intangible Assets [Line Items]
Amortization period of intangible assets (in years)			4 years

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Schedule Of Goodwill And Intangible Assets [Line Items]

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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