v3.26.3
Investment Securities - Summary of Investment Securities Held to Maturity (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Mar. 31, 2026
Schedule of Held-to-Maturity Securities [Line Items]    
Held to maturity, Amortized Cost $ 3,150 $ 175
Held to maturity, Gross Unrealized Gains 2 3
Held to maturity, Gross Unrealized Losses (20)  
Held to maturity, Fair Value 3,132 178
FHLMC Bonds    
Schedule of Held-to-Maturity Securities [Line Items]    
Held to maturity, Amortized Cost 48 54
Held to maturity, Gross Unrealized Gains 1 1
Held to maturity, Fair Value 49 55
GNMA Bonds    
Schedule of Held-to-Maturity Securities [Line Items]    
Held to maturity, Amortized Cost 27 33
Held to maturity, Gross Unrealized Gains 0  
Held to maturity, Fair Value 27 33
FNMA Bonds    
Schedule of Held-to-Maturity Securities [Line Items]    
Held to maturity, Amortized Cost 75 88
Held to maturity, Gross Unrealized Gains 1 2
Held to maturity, Fair Value 76 $ 90
Bank Subordinated Debt    
Schedule of Held-to-Maturity Securities [Line Items]    
Held to maturity, Amortized Cost 3,000  
Held to maturity, Gross Unrealized Losses (20)  
Held to maturity, Fair Value $ 2,980