v3.26.1
Condensed Parent only Financial Information - Schedule of Condensed Statements of Operations (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Expense:    
Non-interest expense $ 16,044 $ 14,376
Income tax benefit 991 869
Net income 4,000 3,654
Central Plains Banchsares, Inc.    
Income:    
Interest income 255 259
Total income 255 259
Expense:    
Non-interest expense 1,321 909
Total expense 1,321 909
Losses before income tax benefit and equity in undistributed earnings of subsidiary (1,066) (650)
Income tax benefit (183) (128)
Losses before equity in undistributed earnings of subsidiary (883) (522)
Equity in undistributed earnings of subsidiary 4,883 4,176
Net income $ 4,000 $ 3,654