v3.26.1
Investment Securities - Summary of maturity distribution of investment securities at amortized cost and fair value (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Investment Securities [Member]    
Available-for-sale amortized cost    
Due in one year or less $ 0  
Due after one but within five years 0  
Due after five years but within ten years 0  
Due after ten years 0  
Amortized Cost 117,538  
Available-for-sale Fair Value    
Due in one year or less 0  
Due after one but within five years 0  
Due after five years but within ten years 0  
Due after ten years 0  
Fair Value 115,018  
Mortgage-backed U.S. government agencies [Member]    
Available-for-sale amortized cost    
Amortized Cost 113,068 $ 66,440
Mortgage-backed U.S. government agencies [Member] | Investment Securities [Member]    
Available-for-sale amortized cost    
Amortized Cost 117,538  
Available-for-sale Fair Value    
Fair Value $ 115,018