Ecovyst, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Cover
- Cover
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Benefit Plans - Accumulated Other Comprehensive Income (Details)

v3.20.4

Benefit Plans - Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Pension Plans \| United States
Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax
Net gain (loss)	$ 13,964	$ 10,922
Gross amount recognized	13,964	10,922
Deferred income taxes	(18,427)	(2,235)
Net amount recognized	(4,463)	8,687
Defined Benefit Pension Plans \| Foreign
Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax
Net gain (loss)	(6,550)	(7,634)
Gross amount recognized	(6,550)	(7,634)
Deferred income taxes	7,625	2,646
Net amount recognized	1,075	(4,988)
Supplemental Retirement Plans
Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax
Net gain (loss)	(731)	681
Gross amount recognized	(731)	681
Deferred income taxes	1,364	(428)
Net amount recognized	633	253
Other Postretirement Benefits Plans
Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax
Prior service credit	596	828
Net gain (loss)	(182)	67
Gross amount recognized	414	895
Deferred income taxes	266	(371)
Net amount recognized	$ 680	$ 524

- Definition

Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, Tax

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Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

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Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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- Definition

Amount, before tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

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