Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2021

Revenue From Contract With Customer [Abstract]

Schedule of Revenue from Contract with Customer Excludes Leasing

Revenues from contracts with customers (excludes leasing) consisted of the following:

	Three months ended March 31,
	Western Hemisphere				Eastern Hemisphere				Asia- Pacific				Total
	2021		2020		2021		2020		2021		2020		2021		2020
	(In thousands)
Product Revenues	$	37,916	$	41,472	$	6,722	$	18,179	$	10,945	$	7,907	$	55,583	$	67,558
Service Revenues		10,504		10,956		2,719		4,338		4,444		3,520		17,667		18,814
Total	$	48,420	$	52,428	$	9,441	$	22,517	$	15,389	$	11,427	$	73,250	$	86,372

Schedule of Contract Asset and Liability

Balances related to contracts with customers consisted of the following:

Contract Assets (amounts shown in thousands)

Contract Assets at December 31, 2020	$	135,973
Additions		25,307
Transfers to Trade Receivables, Net		(26,121	)
Contract Assets at March 31, 2021	$	135,159

Contract Liabilities (amounts shown in thousands)

Contract Liabilities at December 31, 2020	$	10,815
Additions		6,546
Revenue Recognized		(3,650	)
Contract Liabilities at March 31, 2021	$	13,711