Shareholders' Equity - Summary of Dividends Declared (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Dividends declared per common share	$ 0.075	$ 0.075
Amount	$ 5,015	$ 5,014
Quarterly Cash Dividend Q1 2025
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Date Declared	Feb. 20, 2025
Dividends declared per common share	$ 0.075
Amount	$ 5,015

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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+ Details

MERCER INTERNATIONAL INC. 10-Q