Revenue (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue

Revenue disaggregated by revenue type was as follows:

	Years Ended December 31,
(in thousands)	2019		2018		2017 (1)
Product revenue	$	1,000,630	$	1,090,218	$	922,692
Service revenue	82,021		83,334		63,386
Lease and other revenue	48,600		44,604		24,388
Total revenue	$	1,131,251	$	1,218,156	$	1,010,466

Revenue disaggregated by end market in each of our reportable segments was as follows:

	Years Ended December 31,
(in thousands)	2019			2018			2017 (1)
Drilling Technologies	$	246,887		$	285,565		$	227,653
Production & Automation Technologies:
Artificial lift	687,607			725,584			602,287
Digital products	134,660			119,293			82,093
Other production equipment	63,117			88,754			103,564
Intra-segment eliminations	(1,020		)	(1,040		)	(5,131		)
	884,364			932,591			782,813
Total revenue	$	1,131,251		$	1,218,156		$	1,010,466

Revenue disaggregated by geography was as follows:

	Years Ended December 31,
(in thousands)	2019		2018		2017 (1)
United States	$	861,001	$	959,167	$	770,843
Canada	70,314		79,816		79,186
Middle East	60,064		53,516		48,899
Europe	51,965		38,669		28,112
Latin America	32,408		33,976		34,350
Australia	30,841		33,247		23,667
Asia-Pacific and other	24,658		19,765		25,409
Total revenue	$	1,131,251	$	1,218,156	$	1,010,466

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⁽¹⁾ Revenue for the year ended December 31, 2017 is presented in accordance with accounting standards in effect prior to our adoption of ASU No. 2014-09 on January 1, 2018.

Schedule of Contract Balances

The beginning and ending contract asset and contract liability balances from contracts with customers were as follows:

(in thousands)	December 31, 2019		December 31, 2018		January 1, 2018
Contract assets	$	285	$	4,571	$	4,733
Contract liabilities	$	6,148	$	5,863	$	3,912