Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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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.

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No definition available.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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Goodwill and Intangible Assets - Additional Information (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2017
Business Acquisition [Line Items]
Amortization expense	$ 380,000	$ 516,000	$ 2,070,000
Net intangible assets, end of year	$ 2,805,000		$ 3,185,000
Customer Relationships
Business Acquisition [Line Items]
Finite-lived intangibles acquired				$ 18,800,000
Acquired finite-lived intangible assets, useful life	8 years
Trade Names
Business Acquisition [Line Items]
impairment of infinite-lived assets	$ 0