Parker Wellbore Annual report pursuant to Section 13 and 15(d)

Reportable Segments - Results of Operations by Geographic Area (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenues:
Total revenues	$ 116,334	$ 118,308	$ 109,607	$ 98,271	$ 94,025	$ 97,189	$ 105,287	$ 130,503	$ 442,520	$ 427,004	$ 712,183
Long-lived assets:
Total long-lived assets	625,771				693,439				625,771	693,439
Russia
Revenues:
Total revenues									139,144	142,538	165,193
Long-lived assets:
Total long-lived assets	19,415				21,395				19,415	21,395
Other CIS
Revenues:
Total revenues									23,768	33,659	61,145
Long-lived assets:
Total long-lived assets	29,402				35,914				29,402	35,914
EMEA & Asia
Revenues:
Total revenues									64,572	79,870	148,015
Long-lived assets:
Total long-lived assets	108,621				116,857				108,621	116,857
Latin America
Revenues:
Total revenues									11,594	12,952	69,989
Long-lived assets:
Total long-lived assets	38,959				48,528				38,959	48,528
United States
Revenues:
Total revenues									177,630	127,596	231,779
Long-lived assets:
Total long-lived assets	429,374				470,745				429,374	470,745
Other
Revenues:
Total revenues									25,812	30,389	$ 36,062
Long-lived assets:
Total long-lived assets	$ 0				$ 0				$ 0	$ 0