Accounts and Notes Receivable - Additional Information (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Receivables [Abstract]
Notes outstanding, net	$ 70,400	$ 63,300
Note reserves	$ 12,490	$ 13,472	$ 2,884	$ 2,419