Other Non-interest Revenue and Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Noninterest Income, Other [Abstract]
Correspondent banking fees	$ 0	$ 865
Other	35	71
Total non-interest income	35	936
Non-interest expense:
Advertising	153	99
Legal expense	71	79
Insurance and surety	296	199
Audit expense	151	112
Data lines / internet	96	109
Security services	74	47
Retail expenses	216	243
Loss contingency	0	2,100
Director's fees	123	71
Other	578	601
Total non-interest expense	$ 1,758	$ 3,660