Industry Segment and Geographic Areas (Tables)

12 Months Ended

Dec. 31, 2021

Segment Reporting [Abstract]

Schedule of Information Regarding Revenues and Assets by Geographic Area

Information regarding revenues by geographic area is as follows:

	2021		2020		2019
	(In thousands)
Revenues:
United States	$	432,188	$	376,426	$	369,163
Foreign:
Asia		16,736		6,437		9,111
Canada		11,867		10,406		13,568
Europe		30,359		18,255		15,784
Mexico		5,110		4,886		5,791
Middle East		7,176		6,114		7,868
Other		1,762		3,020		3,340
Total	$	505,198	$	425,544	$	424,625

Information regarding assets by geographic area is as follows:

	2021		2020
	(In thousands)
Long-lived assets:
United States	$	46,092	$	48,805
Foreign:
Europe		13,991		15,142
Mexico		17,967		18,758
Total	$	78,050	$	82,705

	2021		2020
	(In thousands)
Total assets:
United States	$	391,328	$	365,748
Foreign:
Europe		118,359		83,174
Mexico		21,131		22,295
Total	$	530,818	$	471,217