Description of Business and Significant Accounting Policies - Schedule of Cumulative Effect of Initially Applying New Guidance (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Jan. 01, 2020	Dec. 31, 2019
Assets
Short-term accounts and notes receivable, less allowance for doubtful accounts	$ 293,388	$ 255,474		$ 340,930
Notes receivable – long–term portion, less allowance for doubtful accounts	29,259	34,417		46,992
Allowance for doubtful accounts on short-term accounts and notes receivables	(59,271)	(59,906)		(45,726)
Allowance for doubtful accounts on long-term notes receivables	(6,312)	(7,895)		(6,667)
Deferred tax asset	31,535	35,554		20,364
Stockholders’ equity
Retained earnings	$ 183,957	$ 200,893		$ 195,455
Cumulative Impact from Adopting ASC 326 Guidance
Assets
Short-term accounts and notes receivable, less allowance for doubtful accounts			$ (41,100)
Notes receivable – long–term portion, less allowance for doubtful accounts			(1,136)
Allowance for doubtful accounts on short-term accounts and notes receivables			(41,100)
Allowance for doubtful accounts on long-term notes receivables			(1,136)
Deferred tax asset			10,137
Stockholders’ equity
Retained earnings			(32,099)
Balance, January 1, 2020
Assets
Short-term accounts and notes receivable, less allowance for doubtful accounts			299,830
Notes receivable – long–term portion, less allowance for doubtful accounts			45,856
Allowance for doubtful accounts on short-term accounts and notes receivables			(86,826)
Allowance for doubtful accounts on long-term notes receivables			(7,803)
Deferred tax asset			30,501
Stockholders’ equity
Retained earnings			$ 163,356