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SIGNIFICANT ACCOUNTING POLICIES (Tables)

6 Months Ended

Jun. 30, 2026

SIGNIFICANT ACCOUNTING POLICIES

Schedule of change in allowance for doubtful accounts

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​	​	Six months ended June 30, 2026
​	​	(in thousands)
Balance as of December 31, 2025	​	$	4,801
Increase to allowance based on a percentage of revenue	​		1,536
Adjustment based on aged receivable analysis	​		(1,250)
Charge-offs	​	​	(289)
Balance as of June 30, 2026	​	$	4,798

Schedule of change in asset retirement obligations

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​	​ ​ ​	Six months ended June 30, 2026
​		(in thousands)
Balance as of December 31, 2025		$	84,568
Accretion expense		​	2,569
Acquired AROs		​	1,240
Assumed AROs	​	​	5,872
Settlements	​	​	(1,504)
Balance as of June 30, 2026		$	92,745
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Short-term ARO liability	​	​	11,522
Long-term ARO liability	​	​	81,223
Balance as of June 30, 2026	​	$	92,745

Schedule of financial impact of leases

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Three months ended June 30,

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Six months ended June 30,

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2026

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2025

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2026

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2025

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(in thousands)

Category

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Classification

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Lessor income

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Costs of revenue

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$

137

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$

37

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$

271

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$

78

Sublease income

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Lease abandonment costs and Costs of revenue

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738

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538

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1,424

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1,025

Schedule of investments in unconsolidated entities

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Year

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As of June 30,

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As of December 31,

Investment

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Ownership %

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Attained

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Accounting method

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2026

2025

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(in thousands)

Water Infrastructure

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AV Farms, LP

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39%

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2025

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Equity-method

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$

70,266

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$

70,965

AquaNyx Midstream LP

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47%

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2021

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Equity-method

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2,744

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2,753

Water Services

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ESG Solutions Group, Inc.

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20%

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2020

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Equity-method

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4,130

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4,104

ICE Thermal, Inc.(1)

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35%

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2021

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Equity-method

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—

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412

Total investment in unconsolidated entities

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$

77,140

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$

78,234

(1) In the Current Period, cumulative losses in excess of the Company’s investment resulted in no investment balance.

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- References

No definition available.

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- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

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- Definition

Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481850/410-20-50-1

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A tabular presentation of the information summarizing investments in and advances to majority-owned subsidiaries, other controlled companies, and other affiliates, as prescribed by the SEC. It reflects specified information about ownership, financial results from, and financial position in such entities. Includes the tabular presentations that disaggregate investments in and advances to majority-owned subsidiaries, other controlled companies, and other affiliates.

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- Definition

Tabular disclosure for determining the allowance for doubtful accounts for trade and other accounts receivable balances, and when impairments, charge-offs or recoveries are recognized.

+ References

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