Receivables and Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Receivables [Line Items]
Interest paid on installment agreements	$ 3,100	$ 3,100
Gross receivables	130,011		$ 134,857
Total receivables, net of allowance for doubtful accounts	121,185		126,378
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for doubtful accounts	8,826		8,479
Bad debt expense	4,973
Accounts written off, net of recoveries	(4,626)
Installment sales receivable [Member]
Receivables [Line Items]
Gross receivables	65,243		66,276
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for doubtful accounts	8,000		7,600
Trade and notes receivables [Member]
Receivables [Line Items]
Gross receivables	64,768		68,581
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for doubtful accounts	$ 800		$ 900