Earnings per Share - Amounts Used in Computing (Loss) Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Numerator:
Net income (loss)	$ 6,478	$ (21,001)	$ (34,067)
Series A convertible preferred stock issuance costs		(1,031)
Series A convertible preferred stock dividends	(1,836)	(1,576)
Net income (loss) attributable to common shareholders	$ 4,642	$ (23,608)	$ (34,067)
Denominator:
Weighted average shares outstanding - basic	24,357	23,458	23,233
Dilutive SSARs	1,063
Dilutive unvested restricted shares	63
Weighted average shares outstanding - diluted	25,483	23,458	23,233
Income (loss) per share - basic	$ 0.19	$ (1.01)	$ (1.47)
Income (loss) per share - diluted	$ 0.18	$ (1.01)	$ (1.47)
Earnings Per Share, Diluted [Abstract]
Anti-dilutive stock options, SSARs, restricted shares, performance shares and preferred shares	1,736	4,228	1,510