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Investment Securities (Details 3) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
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Marketable Securities [Line Items] |  |
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 54,473 | $ 128,982
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 1,666 | 6,066
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer | 260,650 | 194,279
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 20,798 | 19,339
Debt Securities, Available-for-Sale, Unrealized Loss Position | 315,123 | 323,261
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss | 22,464 | 25,405
US Treasury Securities [Member] |  |
Marketable Securities [Line Items] |  |
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months |  | 28,827
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 1,032
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer | 56,804 | 27,156
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 3,796 | 3,537
Debt Securities, Available-for-Sale, Unrealized Loss Position | 56,804 | 55,983
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss | 3,796 | 4,569
US Government-sponsored Enterprises Debt Securities [Member] |  |
Marketable Securities [Line Items] |  |
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months |  |
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  |
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer | 2,127 | 2,074
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 373 | 426
Debt Securities, Available-for-Sale, Unrealized Loss Position | 2,127 | 2,074
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss | 373 | 426
Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Marketable Securities [Line Items] |  |
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months | 46,501 | 81,961
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 1,474 | 4,435
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer | 191,670 | 159,227
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 15,641 | 14,679
Debt Securities, Available-for-Sale, Unrealized Loss Position | 238,171 | 241,188
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss | 17,115 | 19,114
Small Business Administration pools [Member] |  |
Marketable Securities [Line Items] |  |
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months | 6,768 | 16,066
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 116 | 453
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer | 5,977 | 2,592
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 310 | 177
Debt Securities, Available-for-Sale, Unrealized Loss Position | 12,745 | 18,658
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss | 426 | 630
Corporate and other securities [Member] |  |
Marketable Securities [Line Items] |  |
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months | 1,204 | 2,128
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 76 | 146
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer | 4,072 | 3,230
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 678 | 520
Debt Securities, Available-for-Sale, Unrealized Loss Position | 5,276 | 5,358
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss | $ 754 | $ 666

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