v3.25.2
Carver Bancorp Inc.- Parent Company Only-Condensed Statements of Cash Flow (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 1994
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2022
Mar. 31, 2003
Condensed Cash Flow Statements, Captions [Line Items]          
Net loss   $ (13,744) $ (2,977)    
Restricted stock vesting   66 220    
Increase (Decrease) in Other Assets   (1,094) (82)    
Increase (Decrease) in Other Liabilities   (952) (3,054)    
Net cash (used in) provided by operating activities   (12,609) (6,571)    
Payments to Acquire Other Investments   0 (603)    
Net cash used in investing activities   15,079 (20,053)    
Proceeds from Issuance of Long-term Debt   1,814 5,527   $ 13,000
Proceeds from Issuance of Common Stock $ 21,500 195 1,000 $ 3,000  
Net cash provided by financing activities   (11,180) 43,097    
Net increase (decrease) in cash and cash equivalents   (8,710) 16,473    
Parent Company          
Condensed Cash Flow Statements, Captions [Line Items]          
Net loss   (13,744) (2,977)    
Equity in net loss from subsidiaries   (9,888) (457)    
Restricted stock vesting   66 219    
Increase (Decrease) in Other Assets   96 (59)    
Increase (decrease) in accounts payable to subsidiaries   2,431 1,825    
Increase (Decrease) in Other Liabilities   229 (488)    
Net cash (used in) provided by operating activities   (1,034) (1,023)    
Capital contribution   (1,000) 0    
Proceeds from Equity Method Investment, Distribution, Return of Capital   (189)      
Payments to Acquire Other Investments     (658)    
Net cash used in investing activities   (811) (658)    
Proceeds from Issuance of Long-term Debt   0 2,500    
Proceeds from Issuance of Common Stock   195 1,000    
Net cash provided by financing activities   195 3,500    
Net increase (decrease) in cash and cash equivalents   (1,650) 1,819    
Cash and cash equivalents - beginning   2,487 668    
Cash and cash equivalents - end   $ 837 $ 2,487