Inventories, Net (Tables)

9 Months Ended

Sep. 30, 2020

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

A summary of Inventories, net is as follows:

	September 30, 2020		December 31, 2019
Finished products	$	44,306	$	48,484
In-process	29,843		30,913
Raw materials	44,882		46,440
Fine and fabricated precious metal in various stages of completion	33,447		29,202
	152,478		155,039
LIFO reserve	(2,920)		(3,398)
Total	$	149,558	$	151,641

Inventory Supplemental Disclosure

	September 30, 2020		December 31, 2019
Supplemental inventory information:
Precious metals stated at LIFO cost	$	4,934	$	15,660
Precious metals stated under non-LIFO cost methods, primarily at fair value	$	25,593	$	10,144
Market value per ounce:
Silver	$	23.01	$	17.86
Gold	$	1,864.02	$	1,522.14
Palladium	$	2,214.25	$	1,935.19