Stock-Based Compensation Plans - Restricted Share Unit Activity (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
Jun. 30, 2024	Jun. 30, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Unrecognized compensation cost	$ 3.3
Weighted average life over which unrecognized compensation is expected to be recognized	1 year 21 days
General and Administrative Expenses
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	$ 1.3	$ 0.8
Restricted Stock Units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Fair value of restricted share vested during the period		$ 1.7
Incentive Share/Unit Awards
Unvested as of April 1st	307,873
Vested	0
Unvested as of June 30th	307,873
Weighted-Average Grant-Date Fair Value
Unvested as of April 1st	$ 23.16
Unvested as of June 30th	$ 23.16

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

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