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Investment securities (Details 1) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2022 | Dec. 31, 2021
Less Than 12 Months, Fair Value | $ 324,100 | $ 224,680
Less Than 12 Months, Unrealized Losses | 35,275 | 4,548
12 Months Or More, Fair Value | 56,712 | 28,817
12 Months Or More, Unrealized Losses | 8,308 | 988
Total, Fair Value | 380,812 | 253,497
Total, Unrealized Losses | 43,583 | 5,536
U.S. Government Sponsored Enterprises |  |
Less Than 12 Months, Fair Value | 5,261 | 5,232
Less Than 12 Months, Unrealized Losses | 337 | 15
12 Months Or More, Fair Value | 7,432 | 3,263
12 Months Or More, Unrealized Losses | 162 | 170
Total, Fair Value | 12,693 | 8,495
Total, Unrealized Losses | 499 | 185
Mortgage-backed securities |  |
Less Than 12 Months, Fair Value | 179,160 | 131,483
Less Than 12 Months, Unrealized Losses | 12,653 | 2,477
12 Months Or More, Fair Value | 34,152 | 19,632
12 Months Or More, Unrealized Losses | 3,590 | 542
Total, Fair Value | 213,312 | 151,115
Total, Unrealized Losses | 16,243 | 3,019
State and political subdivisions |  |
Less Than 12 Months, Fair Value | 129,621 | 80,076
Less Than 12 Months, Unrealized Losses | 21,403 | 1,981
12 Months Or More, Fair Value | 15,128 | 5,922
12 Months Or More, Unrealized Losses | 4,556 | 276
Total, Fair Value | 144,749 | 85,998
Total, Unrealized Losses | 25,959 | 2,257
US Treasury Securities [Member] |  |
Less Than 12 Months, Fair Value | 10,058 | 7,889
Less Than 12 Months, Unrealized Losses | 882 | 75
12 Months Or More, Fair Value | 0 | 0
12 Months Or More, Unrealized Losses | 0 | 0
Total, Fair Value | 10,058 | 7,889
Total, Unrealized Losses | $ 882 | $ 75

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