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Investment Securities (Tables)
9 Months Ended
Dec. 31, 2024
Investments, Debt and Equity Securities [Abstract]  
Unrealized Gain (Loss) on Investments The following tables set forth the amortized cost and fair value of securities available-for-sale and held-to-maturity at December 31, 2024 and March 31, 2024:
At December 31, 2024
AmortizedGross Unrealized
$ in thousandsCostGainsLossesFair Value
Available-for-Sale:    
Mortgage-backed Securities:    
Government National Mortgage Association$211 $$— $215 
Federal Home Loan Mortgage Corporation19,115 — (4,383)14,732 
Federal National Mortgage Association10,390 — (2,340)8,050 
Total mortgage-backed securities29,716 (6,723)22,997 
U.S. Government Agency Securities4,460 — (22)4,438 
Corporate Bonds5,263 — (2,446)2,817 
Muni Securities17,679 — (3,810)13,869 
Total available-for-sale$57,118 $$(13,001)$44,121 
Held-to-Maturity:    
Mortgage-backed Securities:    
Government National Mortgage Association$254 $— $(12)$242 
Federal National Mortgage Association and Other1,553 — (60)1,493 
Total held-to maturity$1,807 $— $(72)$1,735 

At March 31, 2024
AmortizedGross Unrealized
$ in thousandsCostGainsLossesFair Value
Available-for-Sale:    
Mortgage-backed Securities:    
Government National Mortgage Association$280 $$(1)$283 
Federal Home Loan Mortgage Corporation20,299 — (4,501)15,798 
Federal National Mortgage Association10,975 — (2,339)8,636 
Total mortgage-backed securities31,554 (6,841)24,717 
U.S. Government Agency Securities6,219 — (25)6,194 
Corporate Bonds5,266 — (2,203)3,063 
Muni Securities17,696 — (3,640)14,056 
Total available-for-sale$60,735 $$(12,709)$48,030 
Held-to-Maturity:    
Mortgage-backed Securities:    
Government National Mortgage Association$292 $— $(9)$283 
Federal National Mortgage Association and Other1,716 — (94)1,622 
Total held-to-maturity$2,008 $— $(103)$1,905 
Schedule of Unrealized Loss on Investments The following tables set forth the unrealized losses and fair value of securities in an unrealized loss position at December 31, 2024 and March 31, 2024 for less than 12 months and 12 months or longer:
At December 31, 2024
Less than 12 months12 months or longerTotal
$ in thousandsUnrealized
Losses
Fair
Value
Unrealized
Losses
Fair
Value
Unrealized
Losses
Fair
Value
Available-for-Sale:      
Mortgage-backed securities$— $— $(6,723)$22,782 $(6,723)$22,782 
U.S. Government Agency securities(16)3,493 (6)945 (22)4,438 
Corporate bonds— — (2,446)2,817 (2,446)2,817 
Muni securities— — (3,810)13,869 (3,810)13,869 
Total available-for-sale securities$(16)$3,493 $(12,985)$40,413 $(13,001)$43,906 
Held-to-Maturity:
Mortgage-backed securities$— $— $(72)$1,705 $(72)$1,705 
  Total held-to-maturity securities$— $— $(72)$1,705 $(72)$1,705 

At March 31, 2024
Less than 12 months12 months or longerTotal
$ in thousandsUnrealized
Losses
Fair
Value
Unrealized
Losses
Fair
Value
Unrealized
Losses
Fair
Value
Available-for-Sale:      
Mortgage-backed securities$— $— $(6,841)$24,468 $(6,841)$24,468 
U.S. Government Agency securities(2)1,273 (23)4,921 (25)6,194 
Corporate bonds— — (2,203)3,063 (2,203)3,063 
Muni securities— — (3,640)14,056 (3,640)14,056 
Total available-for-sale securities$(2)$1,273 $(12,707)$46,508 $(12,709)$47,781 
Held-to-Maturity:      
Mortgage-backed securities$— $— $(103)$1,872 $(103)$1,872 
Total held-to-maturity securities$— $— $(103)$1,872 $(103)$1,872 
Investments Classified by Contractual Maturity Date The following is a summary of the amortized cost and fair value of debt securities at December 31, 2024, by remaining period to contractual maturity (ignoring earlier call dates, if any).  Actual maturities may differ from contractual maturities because certain security issuers have the right to call or prepay their obligations.  The table below does not consider the effects of possible prepayments or unscheduled repayments.
$ in thousandsAmortized CostFair ValueWeighted
Average Yield
Available-for-Sale:
One through five years$952 $945 5.83 %
Five through ten years4,673 3,954 2.45 %
After ten years21,777 16,225 3.10 %
Mortgage-backed securities29,716 22,997 1.64 %
Total$57,118 $44,121 2.34 %
Held-to-maturity:
Mortgage-backed securities$1,807 $1,735 2.85 %