CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 501,272	$ 445,196
Accounts receivable, net of allowance for credit losses of $3,554 and $3,529, respectively	230,112	303,939
Other current assets	87,907	75,857
Total current assets	819,291	824,992
Property and equipment	3,137,031	3,156,606
Less accumulated depreciation	(1,816,953)	(1,794,112)
Property and equipment, net	1,320,078	1,362,494
Operating lease right-of-use assets	302,926	302,649
Deferred certification and dry dock costs, net	73,493	74,351
Other assets, net	52,301	51,418
Total assets	2,568,089	2,615,904
Current liabilities:
Accounts payable	138,412	134,287
Accrued liabilities	69,137	94,951
Current maturities of long-term debt	9,394	9,644
Current operating lease liabilities	64,112	60,796
Total current liabilities	281,055	299,678
Long-term debt	294,367	298,351
Operating lease liabilities	257,889	260,959
Deferred tax liabilities	104,972	105,571
Other non-current liabilities	72,950	71,433
Total liabilities	1,011,233	1,035,992
Commitments and contingencies
Shareholders' equity:
Common stock, no par, 240,000 shares authorized, 147,296 and 147,186 shares issued, respectively	1,220,461	1,218,494
Retained earnings	385,508	398,914
Accumulated other comprehensive loss	(49,113)	(37,496)
Total shareholders' equity	1,556,856	1,579,912
Total liabilities and shareholders' equity	$ 2,568,089	$ 2,615,904

Deferred certification and dry dock costs, Net

No definition available.

Name:	hlx_DeferredCertificationAndDryDockCostsNet
Namespace Prefix:	hlx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).