Revenue (Disaggregation Of Revenues, By Geography) (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		8 Months Ended	9 Months Ended
	Feb. 02, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2021	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Total Revenues	$ 45,928	$ 222,287	$ 178,583	$ 450,318	$ 644,857
Rentals [Member]
Disaggregation of Revenue [Line Items]
Total Revenues	18,339	104,557	76,217	185,902	297,042
Well Services [Member]
Disaggregation of Revenue [Line Items]
Total Revenues	27,589	117,730	102,366	264,416	347,815
U.S. Land [Member]
Disaggregation of Revenue [Line Items]
Total Revenues	8,296	49,481	32,265	73,070	135,933
U.S. Land [Member] | Rentals [Member]
Disaggregation of Revenue [Line Items]
Total Revenues	4,917	39,673	25,627	57,525	117,426
U.S. Land [Member] | Well Services [Member]
Disaggregation of Revenue [Line Items]
Total Revenues	3,379	9,808	6,638	15,545	18,507
U.S. Offshore [Member]
Disaggregation of Revenue [Line Items]
Total Revenues	15,567	61,438	51,753	145,041	191,412
U.S. Offshore [Member] | Rentals [Member]
Disaggregation of Revenue [Line Items]
Total Revenues	8,196	37,829	28,997	76,290	106,913
U.S. Offshore [Member] | Well Services [Member]
Disaggregation of Revenue [Line Items]
Total Revenues	7,371	23,609	22,756	68,751	84,499
International [Member]
Disaggregation of Revenue [Line Items]
Total Revenues	22,065	111,368	94,565	232,207	317,512
International [Member] | Rentals [Member]
Disaggregation of Revenue [Line Items]
Total Revenues	5,226	27,055	21,593	52,087	72,703
International [Member] | Well Services [Member]
Disaggregation of Revenue [Line Items]
Total Revenues	$ 16,839	$ 84,313	$ 72,972	$ 180,120	$ 244,809