New Accounting Pronouncements (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Jan. 01, 2020	Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts and notes receivable	$ 96,902		$ 101,046
Allowance for credit losses	(7,035)		(5,251)
Accounts and notes receivable, net	89,867		95,795
Deferred tax asset, net			13,159
Retained earnings	$ 129,693		125,763
Cumulative effect of change in accounting principle
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts and notes receivable			0
Allowance for credit losses			(2,337)
Accounts and notes receivable, net			(2,337)
Deferred tax asset, net			466
Retained earnings			$ (1,871)
As Adjusted
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts and notes receivable		$ 101,046
Allowance for credit losses		(7,588)
Accounts and notes receivable, net		93,458
Deferred tax asset, net		13,625
Retained earnings		$ 123,892