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Share-Based Compensation - Restricted Stock Units Awards Narrative (Details) - Restricted Stock Units - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based compensation
Vesting period	4 years
Recognized share-based compensation expense	$ 4.9	$ 3.7	$ 3.5
Unrecognized compensation cost, net of estimated forfeitures, related to restricted stock unit awards	$ 6.9
Weighted-average period over which unrecognized compensation cost is expected to be recognized	2 years 6 months

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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