CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Mar. 31, 2024		Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 198,197		$ 187,323
Restricted cash	4,103		4,077
Short-term investments	4,016		25,908
Trade receivables, net	137,135		135,569
Unbilled receivables	139,610		148,429
Inventories	209,160		194,593
Prepaid expenses	13,126		14,119
Other current assets	8,285		9,699
Assets held for sale	1,513		0
Total current assets	715,145		719,717
Operating lease right of use assets	16,356		16,343
Property, plant and equipment, net	215,264		217,631
Deferred income taxes	9,663		8,989
Goodwill	16,288	[1]	16,654
Intangible assets	40,247		41,941
Other assets	8,064		6,906
Total assets	1,021,027		1,028,181
Current liabilities:
Accounts payable	62,907		60,160
Accrued income taxes	7,064		5,942
Contract liabilities	6,839		7,583
Accrued compensation	14,026		14,035
Operating lease liabilities	2,300		2,118
Other accrued liabilities	40,420		27,865
Total current liabilities	133,556		117,703
Deferred income taxes	10,330		10,564
Income tax payable	385		346
Operating lease liabilities, long-term	14,541		14,554
Other long-term liabilities	4,852		3,754
Total liabilities	163,664		146,921
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, 34,419,768 and 34,386,577 shares issued and outstanding at March 31, 2024 and December 31, 2023	343		343
Additional paid-in capital	103,025		100,289
Retained earnings	930,789		950,719
Accumulated other comprehensive losses	(176,794)		(170,091)
Total stockholders' equity	857,363		881,260
Total liabilities and stockholders' equity	$ 1,021,027		$ 1,028,181

[1] As of March 31, 2024, the Goodwill balance is included in long-lived assets in the Well Construction business segment.