CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Retained Earnings Adjustment	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Adjustment	Total
Balance at Mar. 31, 2022	$ 221	$ 62,048		$ 104,931	$ (9,951)		$ 157,249
Balance (in shares) at Mar. 31, 2022	22,127,396
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				4,652			4,652
Cash dividend on common stock				(1,317)			(1,317)
Exercise of stock options		4					$ 4
Exercise of stock options (in shares)	1,511						1,511
Stock repurchased	$ (2)	(1,277)					$ (1,279)
Stock repurchased (in shares)	(182,770)
Restricted stock forfeited (in shares)	(2,977)
Stock-based compensation expense		63					63
Other comprehensive loss, net					(4,939)		(4,939)
Balance at Jun. 30, 2022	$ 219	60,838		108,266	(14,890)		154,433
Balance (in shares) at Jun. 30, 2022	21,943,160
Balance at Mar. 31, 2023	$ 212	55,511	$ (53)	117,826	(18,310)	$ (53)	155,239
Balance (in shares) at Mar. 31, 2023	21,221,960
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				2,843			2,843
Cash dividend on common stock				(1,265)			(1,265)
Exercise of stock options		19					$ 19
Exercise of stock options (in shares)	6,799						6,799
Stock repurchased	$ (1)	(576)					$ (577)
Stock repurchased (in shares)	(109,162)
Restricted stock forfeited (in shares)	(3,678)
Stock-based compensation expense		62					62
Other comprehensive loss, net					(2,202)		(2,202)
Balance at Jun. 30, 2023	$ 211	$ 55,016		$ 119,351	$ (20,512)		$ 154,066
Balance (in shares) at Jun. 30, 2023	21,115,919