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Covid-19 (Details) - USD ($) $ in Thousands		1 Months Ended	12 Months Ended
	Apr. 16, 2020	Apr. 30, 2020	Dec. 31, 2020	Dec. 31, 2019	Mar. 31, 2020
Restructuring Cost and Reserve [Line Items]
Coronavirus, Aid, Relief, And Economic Securities (CARES) Act, deferred tax assets, income tax benefit					$ 100
Proceeds from Paycheck Protection Program loan	$ 2,900	$ 700	$ 2,865	$ 0
Other income, net attributable to COVID-10			700
One-time Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges			$ 300

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