v3.23.2

Related Party Transactions (Details) - USD ($)		1 Months Ended			3 Months Ended
Related Party Transactions (Details) - USD ($)	Nov. 14, 2022	Nov. 30, 2022	Aug. 31, 2021	Mar. 31, 2020	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Aug. 15, 2022	Aug. 25, 2021
Series B Preferred Stock
Related Party Transaction [Line Items]
Issuance of Series A Preferred Stock, net of issuance costs (in shares)	30,000
8.50% Senior Notes due 2026 \| Senior Notes
Related Party Transaction [Line Items]
Debt instrument			$ 135,000,000						$ 135,000,000
Interest rate			8.50%		8.50%				8.50%
Additional purchase amount			$ 5,000,000
Amendment No. 3 to Credit Agreement \| Series A Preferred Stock
Related Party Transaction [Line Items]
Issuance of Series A Preferred Stock, net of issuance costs (in shares)				26,000
Affiliated Entity \| Series B Preferred Stock \| Bernhard Capital Partners Management, LP (BCP)
Related Party Transaction [Line Items]
Issuance of Series A Preferred Stock, net of issuance costs (in shares)		30,000
Affiliated Entity \| Term Loan Agreement
Related Party Transaction [Line Items]
Face amount of delayed-draw term loan								$ 20,000,000
Affiliated Entity \| ATC Group Services, LLC \| Environmental Consulting and Engineering Services
Related Party Transaction [Line Items]
Expenses from transactions with related party					$ 10,000	$ 18,000
Receivable from related parties					0		$ 0
Payable to related parties					$ 5,000		$ 14,000
B. Riley \| 8.50% Senior Notes due 2026 \| Senior Notes
Related Party Transaction [Line Items]
Debt instrument			80,325,000
Payments of debt issuance costs			$ 7,914,000

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Charah Solutions, Inc. 10-Q