v3.26.1

Goodwill and Intangible Assets - Summary of Intangible Assets Subject to Amortization and Not Fully Amortized (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Acquired Finite-Lived Intangible Assets [Line Items]
Net carrying amount	$ 2,438	$ 3,048
Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted-average remaining amortization period (in years)	1 year	1 year 3 months 18 days
Gross carrying amount	$ 34,661	$ 34,661
Accumulated amortization	(32,223)	(31,613)
Net carrying amount	$ 2,438	$ 3,048

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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AMERICAN COASTAL INSURANCE Corp 10-Q