Stock-Based Compensation Plans (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Stock-Based Compensation Plans
Unrecognized compensation cost	$ 1.2
Weighted average life over which unrecognized compensation is expected to be recognized	8 months 1 day
General and administrative expenses
Stock-Based Compensation Plans
Stock-based compensation expense	$ 0.7	$ 0.6
Restricted stock awards
Number of Shares
Unvested at the beginning of the period (in shares)	329,090
Vested (in shares)	(58,475)
Unvested at the end of the period (in shares)	270,615
Weighted-Average Grant-Date Fair Value
Unvested at the beginning of the period (in dollars per share)	$ 10.56
Vested (in dollars per share)	8.21
Unvested at the end of the period (in dollars per share)	$ 11.07

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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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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