Other Liabilities - Schedule of Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Other Liabilities Disclosure [Abstract]
Customer deposits and accrued rebates	$ 4,672	$ 2,907
Dividends payable	5,400	5,251
Accrued litigation, claims and professional fees	806	306
Current portion of environmental reserves	1,429	1,433
Other accrued expenses	6,683	8,039
Other current liabilities, Total	$ 18,990	$ 17,936