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Leases - Right-of-Use Lease Assets and Lease Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Assets
Operating lease	$ 37,935	$ 33,082
Finance lease	986	1,116
Total leased assets	38,921	34,198
Current:
Operating lease	9,495	9,053
Finance lease	0	23
Noncurrent:
Operating lease	28,666	23,927
Total leased liabilities	$ 38,161	$ 33,003

X

- Definition

Finance Lease and Financing Obligation Assets

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

X

- Definition

Finance Lease and Financing Obligation Liabilities, Current

+ References

No definition available.

+ Details

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Namespace Prefix:	ecvt_
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X

- Definition

Operating And Finance Right-Of-Use Lease Assets, Total

+ References

No definition available.

+ Details

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Balance Type:	debit
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- Definition

Operating and Finance Lease Liabilities, Total

+ References

No definition available.

+ Details

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Namespace Prefix:	ecvt_
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Balance Type:	credit
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- References

No definition available.

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- References

No definition available.

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- References

No definition available.

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Balance Type:	na
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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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