Inventories, Contracts in Progress and Vehicle Floor Plan Payable (Tables)

12 Months Ended

Dec. 31, 2019

Inventories, Contracts in Progress And Vehicle Floor Plan Payable [Abstract]

Schedule of Inventories and Contracts in Progress

Inventories and contracts in progress consist of the following:

	As of December 31
(in thousands)	2019		2018
Raw materials	$	35,119	$	37,248
Work-in-process	10,775		11,633
Finished goods	58,696		17,861
Contracts in progress	4,338		2,735
	$	108,928	$	69,477