Inventories

12 Months Ended

Dec. 31, 2021

Inventory Disclosure [Abstract]

Inventories

INVENTORIES

Inventories at December 31 consisted of the following (in thousands):

	2021		2020
Raw material	$	135,558	$	66,018
Work-in-process	5,858		5,382
Finished goods	39,256		31,205
Gross inventory	$	180,672	$	102,605
Less reserves	(4,465)		(4,298)
Total inventories	$	176,207	$	98,307

The Company's gross inventory balances are reduced by reserves for excess, obsolete and slow moving inventory and estimates for determining net realizable value of the inventory that are reported on a net basis on the Company's consolidated balance sheet.

The increase in the Company's total inventories balance as of December 31, 2021 from December 31, 2020 was largely the result of higher input costs, including raw material costs and in-bound freight, as compared to prior year, along with higher levels of inventory carried to accommodate for supply chain challenges in procuring adequate inventory to meet customer needs.

The following table summarizes activity recorded within the reserve for excess, obsolete and slow moving inventory for the years ended December 31 (in thousands):

	2021		2020		2019
Beginning balance	$	4,161	$	3,463	$	2,971
Excess, obsolete and slow moving inventory expense	215		355		1,134
Scrapped inventory and other adjustments	24		343		(642)
Ending balance	$	4,400	$	4,161	$	3,463