Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator:
Net income	$ 3,576	$ 982	$ 6,615	$ 2,954
Series A convertible preferred stock dividends	(459)	(459)	(918)	(918)
Net income attributable to common shareholders	$ 3,117	$ 523	$ 5,697	$ 2,036
Denominator:
Weighted average shares outstanding - basic	24,652	24,451	24,625	24,233
Dilutive SSARs	992	892	881	1,005
Dilutive unvested restricted shares	139	66	85	58
Weighted average shares outstanding - diluted	25,783	25,409	25,591	25,296
Income per share - basic:	$ 0.13	$ 0.02	$ 0.23	$ 0.08
Income per share - diluted:	$ 0.12	$ 0.02	$ 0.22	$ 0.08
Earnings Per Share, Diluted [Abstract]
Anti-dilutive SSARs, restricted shares ,performance shares and preferred shares	1,735	1,735	1,736	1,735