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Securities, Available-for-Sale Investment Securities Portfolios (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Available-for-Sale Investment Securities Portfolios [Abstract]    
Amortized cost $ 350,173 $ 353,329
Gross unrealized gains 11 37
Gross unrealized losses (21,158) (24,617)
Fair value 329,026 328,749
Federal Agency Mortgage-backed Securities [Member]    
Available-for-Sale Investment Securities Portfolios [Abstract]    
Amortized cost 82,834 84,955
Gross unrealized gains 2 2
Gross unrealized losses (9,819) (10,788)
Fair value 73,017 74,169
Federal Agency Collateralized Mortgage Obligations (CMO) [Member]    
Available-for-Sale Investment Securities Portfolios [Abstract]    
Amortized cost 27,077 27,776
Gross unrealized gains 0 0
Gross unrealized losses (1,328) (1,676)
Fair value 25,749 26,100
Federal Agency Debt [Member]    
Available-for-Sale Investment Securities Portfolios [Abstract]    
Amortized cost 55,734 55,687
Gross unrealized gains 0 26
Gross unrealized losses (3,704) (4,288)
Fair value 52,030 51,425
Municipal Bonds [Member]    
Available-for-Sale Investment Securities Portfolios [Abstract]    
Amortized cost 4,858 4,866
Gross unrealized gains 0 0
Gross unrealized losses (559) (669)
Fair value 4,299 4,197
U.S. Treasuries [Member]    
Available-for-Sale Investment Securities Portfolios [Abstract]    
Amortized cost 166,255 165,997
Gross unrealized gains 0 0
Gross unrealized losses (4,159) (5,408)
Fair value 162,096 160,589
SBA Pools [Member]    
Available-for-Sale Investment Securities Portfolios [Abstract]    
Amortized cost 13,415 14,048
Gross unrealized gains 9 9
Gross unrealized losses (1,589) (1,788)
Fair value $ 11,835 $ 12,269