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Investment Securities (Details 3) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Marketable Securities [Line Items]
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	$ 167,465	$ 246,831
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	9,609	4,155
Available-for-Sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	163,255	49,528
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	16,447	872
Available-for-Sale Securities, Continuous Unrealized Loss Position, Fair Value	330,720	296,359
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	26,056	5,027
US Treasury Securities [Member]
Marketable Securities [Line Items]
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	42,805	14,479
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	1,940	264
Available-for-Sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	12,919	958
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	2,839	36
Available-for-Sale Securities, Continuous Unrealized Loss Position, Fair Value	55,724	15,437
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	4,779	300
US Government-sponsored Enterprises Debt Securities [Member]
Marketable Securities [Line Items]
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	2,096
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	404
Available-for-Sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
Available-for-Sale Securities, Continuous Unrealized Loss Position, Fair Value	2,096
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	404
Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member]
Marketable Securities [Line Items]
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	104,236	200,238
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	6,523	3,156
Available-for-Sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	144,072	48,570
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	12,992	836
Available-for-Sale Securities, Continuous Unrealized Loss Position, Fair Value	248,308	248,808
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	19,515	3,992
Small Business Administration pools [Member]
Marketable Securities [Line Items]
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	16,139	7,232
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	649	67
Available-for-Sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	3,053
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	77
Available-for-Sale Securities, Continuous Unrealized Loss Position, Fair Value	19,192	7,232
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	726	67
US States and Political Subdivisions Debt Securities [Member]
Marketable Securities [Line Items]
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value		21,261
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss		539
Available-for-Sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
Available-for-Sale Securities, Continuous Unrealized Loss Position, Fair Value		21,261
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss		539
Corporate and other securities [Member]
Marketable Securities [Line Items]
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	2,189	3,621
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	93	129
Available-for-Sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	3,211
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	539
Available-for-Sale Securities, Continuous Unrealized Loss Position, Fair Value	5,400	3,621
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	$ 632	$ 129

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-Name Accounting Standards Codification
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