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Investment Securities - Summary of Available-for-Sale Investment Securities (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost $ 727,819 $ 819,762
Gross unrealized gains 57 1
Gross unrealized losses (99,047) (113,474)
Fair Value 628,829 706,289
U.S. Treasury Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 74,508 74,031
Gross unrealized losses (1,464) (2,643)
Fair Value 73,044 71,388
Residential Mortgage Pass-Through Securities Issued or Guaranteed by U.S. Government Agencies or Sponsored Enterprises [Member].    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 233,264 263,939
Gross unrealized gains 57 1
Gross unrealized losses (31,512) (37,809)
Fair Value 201,809 226,131
Other Residential MBS Issued or Guaranteed by U.S. Government Agencies or Sponsored Enterprises [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 417,155 478,866
Gross unrealized losses (65,913) (72,940)
Fair Value 351,242 405,926
Municipal Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 80 155
Gross unrealized losses (1) (2)
Fair Value 79 153
Corporate Debt Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 2,000 2,000
Gross unrealized losses (157) (80)
Fair Value 1,843 1,920
Other Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 812 771
Fair Value $ 812 $ 771