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Investment Securities (Details 4)
$ in Thousands
Sep. 30, 2022
USD ($)
Marketable Securities [Line Items]  
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value $ 203,383
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 14,919
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value 13,563
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 1,435
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Fair Value 216,946
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss 16,354
US Treasury Securities [Member]  
Marketable Securities [Line Items]  
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Fair Value
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss
US Government-sponsored Enterprises Debt Securities [Member]  
Marketable Securities [Line Items]  
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Fair Value
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss
Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member]  
Marketable Securities [Line Items]  
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value 107,682
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 7,719
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value 10,019
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 944
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Fair Value 117,701
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss 8,663
Small Business Administration pools [Member]  
Marketable Securities [Line Items]  
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Fair Value
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss
US States and Political Subdivisions Debt Securities [Member]  
Marketable Securities [Line Items]  
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value 95,701
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 7,200
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value 3,544
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 491
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Fair Value 99,245
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss 7,691
Corporate and other securities [Member]  
Marketable Securities [Line Items]  
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Fair Value
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss