CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Sep. 30, 2023		Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 181,072		$ 264,804
Short-term investments	8,911		32,232
Trade receivables, net	133,337		90,861
Unbilled receivables	154,305		144,428
Inventories, net	183,250		146,004
Prepaid expenses	19,237		19,874
Other current assets	18,100		32,438
Assets held for sale	10,828		19,383
Total current assets	709,040		750,024
Operating lease right of use assets	16,235		4,872
Property, plant and equipment, net	211,806		181,270
Deferred income taxes	5,839		4,488
Goodwill	16,237	[1]	0
Intangible assets	42,504		23,348
Other assets	5,907		5,949
Total assets	1,007,568		969,951
Current liabilities:
Accounts payable	50,455		43,019
Accrued income taxes	6,604		4,868
Contract liabilities	8,098		8,020
Accrued compensation	14,141		11,296
Operating lease liabilities	2,057		1,054
Other accrued liabilities	25,380		19,298
Total current liabilities	106,735		87,555
Deferred income taxes	12,114		3,756
Income tax payable	451		823
Operating lease liabilities, long-term	14,381		3,807
Other long-term liabilities	3,425		1,658
Total liabilities	137,106		97,599
Contingencies (Note 14)
Stockholders' equity:
Preferred stock: 10,000,000 shares authorized at $0.01 par value (none issued)	0		0
Common stock:
100,000,000 shares authorized at $0.01 par value, 34,177,472 and 34,157,057 shares issued and outstanding at September 30, 2023 and December 31, 2022	343		343
Additional paid-in capital	98,169		90,450
Retained earnings	948,928		950,168
Accumulated other comprehensive losses	(176,978)		(168,609)
Total stockholders' equity	870,462		872,352
Total liabilities and stockholders' equity	$ 1,007,568		$ 969,951

[1] As of September 30, 2023, the Goodwill balance is included in long-lived assets in the Well Construction business segment.