Inventories And Deferred Preservation Costs (Tables)

3 Months Ended

Mar. 31, 2021

Inventories And Deferred Preservation Costs [Abstract]

Schedule Of Inventories

	March 31,		December 31,
	2021		2020
Raw materials and supplies	$	34,789	$	33,625
Work-in-process		7,730		6,318
Finished goods		30,856		33,095
Total inventories	$	73,375	$	73,038