Receivables and Allowance for Doubtful Accounts (Details) - USD ($)	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Receivables [Line Items]
Interest paid on installment agreements	$ 5,900,000	$ 6,100,000
Gross receivables	111,977,000		$ 125,079,000
Total receivables, net of allowance for doubtful accounts	98,794,000		111,865,000
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Less allowance for doubtful accounts	(13,183,000)		(13,214,000)
Bad debt expense	11,833,000
Accounts written off, net of recoveries	(11,864,000)
Installment sales receivable [Member]
Receivables [Line Items]
Gross receivables	66,162,000		69,550,000
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Less allowance for doubtful accounts	(12,000,000)		(12,000,000)
Trade and notes receivables [Member]
Receivables [Line Items]
Gross receivables	45,815,000		55,529,000
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Less allowance for doubtful accounts	(1,200,000)		(1,200,000)
Notes Receivable
Receivables [Line Items]
Accrued Revenue	$ 24,100,000		$ 28,700,000