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Securities Continuous Unrealized Loss (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value $ 276,196 $ 187,869
Available-for-sale Securities Continuous Unrealized Loss Position Less than 12 Months Aggregate Losses 14,852 2,689
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 93,554 68,137
Available-for-sale Securities Continuous Unrealized Loss Position 12 Months or Longer Aggregate Losses 9,419 2,340
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 369,750 256,006
Available-for-sale Securities Continuous Unrealized Loss Position Aggregate Losses 24,271 5,029
US Government and Government Agencies and Authorities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 78,527 49,799
Available-for-sale Securities Continuous Unrealized Loss Position Less than 12 Months Aggregate Losses 3,404 1,025
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 37,525 26,412
Available-for-sale Securities Continuous Unrealized Loss Position 12 Months or Longer Aggregate Losses 4,024 1,054
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 116,052 76,211
Available-for-sale Securities Continuous Unrealized Loss Position Aggregate Losses 7,428 2,079
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 173,957 130,110
Available-for-sale Securities Continuous Unrealized Loss Position Less than 12 Months Aggregate Losses 9,964 1,555
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 52,473 38,611
Available-for-sale Securities Continuous Unrealized Loss Position 12 Months or Longer Aggregate Losses 4,942 1,125
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 226,430 168,721
Available-for-sale Securities Continuous Unrealized Loss Position Aggregate Losses 14,906 2,680
US States and Political Subdivisions Debt Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 23,712 7,960
Available-for-sale Securities Continuous Unrealized Loss Position Less than 12 Months Aggregate Losses 1,484 109
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 3,556 3,114
Available-for-sale Securities Continuous Unrealized Loss Position 12 Months or Longer Aggregate Losses 453 161
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 27,268 11,074
Available-for-sale Securities Continuous Unrealized Loss Position Aggregate Losses $ 1,937 $ 270