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

Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
- Schedule I - Condensed Financial Information of Parent (Policies)
Notes Tables
Notes Details

Long-term Debt (Details)

v3.10.0.1

Long-term Debt (Details) - USD ($) $ in Thousands	12 Months Ended
Long-term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 11, 2017	Nov. 14, 2016	May 04, 2016
Debt Instrument [Line Items]
Document Period End Date	Dec. 31, 2018
Total debt	$ 2,148,423	$ 2,270,279
Original issue discount	(18,584)	(18,390)
Deferred financing costs	(15,882)	(21,403)
Total debt, net of original issue discount and deferred financing costs	2,113,957	2,230,486
Less: current portion	(7,237)	(45,166)
Total long-term debt, excluding current portion	2,106,720	2,185,320
Term Loan Facility
Debt Instrument [Line Items]
Original issue discount				$ (756)
Deferred financing costs				$ (564)
Term Loan \| Term Loan Facility \| USD
Debt Instrument [Line Items]
Total debt	0	916,153
Term Loan \| Term Loan Facility \| Euro
Debt Instrument [Line Items]
Total debt	0	335,808
Term Loan \| New Term Loan Facility
Debt Instrument [Line Items]
Total debt	1,157,498	0
Senior Notes \| 6.75% Senior Secured Notes due 2022
Debt Instrument [Line Items]
Total debt	$ 625,000	625,000
Debt instrument stated interest rate	6.75%				6.75%
Unsecured Debt \| 5.75% Senior Unsecured Notes due 2025
Debt Instrument [Line Items]
Total debt	$ 300,000	300,000
Debt instrument stated interest rate	5.75%		5.75%
Line of Credit \| ABL Facility
Debt Instrument [Line Items]
Total debt		25,000
Other
Debt Instrument [Line Items]
Total debt	$ 65,925	$ 68,318

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