Ecovyst, Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Cover
- Cover Page
Financial Statements
Notes to Financial Statements
Accounting Policies
- Background and Basis of Presentation (Policies)
Notes Tables
Notes Details

Long-term Debt - Narrative (Details)

v3.26.1

Long-term Debt - Narrative (Details) - USD ($)	1 Months Ended			6 Months Ended
Long-term Debt - Narrative (Details) - USD ($)	Jun. 30, 2026	Jan. 31, 2025	Jun. 30, 2024	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
2025 Term Loan Facility \| Secured Overnight Financing Rate (SOFR)
Debt Instrument
Effective interest rate	5.73%			5.73%
2026 Term Loan Facility
Debt Instrument
Debt extinguishment costs				$ 978,000	$ 960,000
Unamortized discount, noncurrent	$ 0			0
Debt instrument, face amount	100,000,000			100,000,000
Long-term debt, fair value	$ 496,467,000			$ 496,467,000		$ 396,591,000
2026 Term Loan Facility \| Secured Overnight Financing Rate (SOFR)
Debt Instrument
Variable rate on spread	2.00%
2026 Term Loan Facility \| Base Rate
Debt Instrument
Variable rate on spread	1.00%
ABL Facility \| Secured Overnight Financing Rate (SOFR)
Debt Instrument
Effective interest rate	7.00%			7.00%
Minimum \| ABL Facility \| Secured Overnight Financing Rate (SOFR)
Debt Instrument
Variable rate on spread				1.25%
Minimum \| ABL Facility \| Base Rate
Debt Instrument
Variable rate on spread				0.25%
Maximum \| ABL Facility \| Secured Overnight Financing Rate (SOFR)
Debt Instrument
Variable rate on spread				1.75%
Maximum \| ABL Facility \| Base Rate
Debt Instrument
Variable rate on spread				0.75%
Variable Rate Component One \| Minimum \| 2026 Term Loan Facility \| Secured Overnight Financing Rate (SOFR)
Debt Instrument
Variable rate on spread		2.00%	2.25%
Variable Rate Component Two \| Minimum \| 2026 Term Loan Facility \| Base Rate
Debt Instrument
Variable rate on spread		1.00%
Variable Rate Component Two \| Maximum \| 2026 Term Loan Facility \| Base Rate
Debt Instrument
Variable rate on spread		1.25%

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Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 28
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-28

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