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

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Gross number of share options (or share units) granted during the period.

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Number of non-vested options outstanding.

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Stock-Based Compensation - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options outstanding			0
Granted (in shares)	0
Compensation expense	$ 0.4	$ 0.2
Compensation cost, not yet recognized	$ 0.8
Recognized over a period	3 years
The 2015 Incentive Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, capital shares reserved for future issuance (in shares)	3,100,415
Number of shares available for grant (in shares)	415,480