Allowance for Credit Losses (Details) - USD ($) $ in Thousands		9 Months Ended
	Jan. 01, 2020	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses, beginning balance	$ 1,843	$ 1,843
Provision for credit losses		2,723	$ 936
Write-offs charged against the allowance, net of recoveries of amounts previously written off		(900)
Allowance for credit losses, ending balance		3,666
Reserves unrelated to credit losses		$ 400		$ 500
Accounting Standards Update 2016-13 | Cumulative Effect, Period of Adoption, Adjustment
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Cumulative effect adjustment to increase allowance for credit losses	$ 300