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Investment Securities - Unrealized losses (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Schedule of Available-for-sale Securities |  |
Debt securities, amortized cost | $ 740,468 | $ 1,098,373
Less than 12 Months, Fair Value | 237,917 | 496,816
12 Months or More, Fair Value | 410,654 | 75,609
Total Fair Value | 648,571 | 572,425
Less than 12 Months, Unrealized Losses | (27,795) | (7,842)
12 Months or More, Unrealized Losses | (63,866) | (1,696)
Total Unrealized Losses | (91,661) | (9,538)
Held-to-maturity Securities, Less than 12 Months, Fair Value | 91,701 |
Held-to-maturity Securities, Less than 12 Months, Unrealized Losses | (8,982) |
Held-to-maturity Securities, 12 Months or More, Fair Value | 176,980 |
Held-to-maturity Securities, 12 Months or More,Unrealized Losses | (24,943) |
Held-to-maturity Securities, Total Fair Value | 268,681 |
Held-to-maturity Securities, Total Unrealized Losses | (33,925) |
U.S. Government agencies |  |
Schedule of Available-for-sale Securities |  |
Debt securities, amortized cost | 107 | 373
Less than 12 Months, Fair Value | 0 |
12 Months or More, Fair Value | 98 |
Total Fair Value | 98 |
Less than 12 Months, Unrealized Losses | 0 |
12 Months or More, Unrealized Losses | (9) |
Total Unrealized Losses | (9) |
Obligations of states and political subdivisions |  |
Schedule of Available-for-sale Securities |  |
Debt securities, amortized cost | 201,638 | 512,952
Less than 12 Months, Fair Value | 90,808 | 143,336
12 Months or More, Fair Value | 84,177 | 6,336
Total Fair Value | 174,985 | 149,672
Less than 12 Months, Unrealized Losses | (12,208) | (2,896)
12 Months or More, Unrealized Losses | (14,445) | (292)
Total Unrealized Losses | (26,653) | (3,188)
Held-to-maturity Securities, Less than 12 Months, Fair Value | 48,311 |
Held-to-maturity Securities, Less than 12 Months, Unrealized Losses | (5,505) |
Held-to-maturity Securities, 12 Months or More, Fair Value | 118,026 |
Held-to-maturity Securities, 12 Months or More,Unrealized Losses | (17,661) |
Held-to-maturity Securities, Total Fair Value | 166,337 |
Held-to-maturity Securities, Total Unrealized Losses | (23,166) |
U.S. Government sponsored entities and agencies collateralized by residential mortgage obligations |  |
Schedule of Available-for-sale Securities |  |
Debt securities, amortized cost | 117,292 | 213,471
Less than 12 Months, Fair Value | 20,825 | 91,385
12 Months or More, Fair Value | 88,520 | 40,365
Total Fair Value | 109,345 | 131,750
Less than 12 Months, Unrealized Losses | (1,058) | (905)
12 Months or More, Unrealized Losses | (6,745) | (372)
Total Unrealized Losses | (7,803) | (1,277)
Held-to-maturity Securities, Less than 12 Months, Fair Value | 0 |
Held-to-maturity Securities, Less than 12 Months, Unrealized Losses | 0 |
Held-to-maturity Securities, 12 Months or More, Fair Value | 8,668 |
Held-to-maturity Securities, 12 Months or More,Unrealized Losses | (1,762) |
Held-to-maturity Securities, Total Fair Value | 8,668 |
Held-to-maturity Securities, Total Unrealized Losses | (1,762) |
Private label residential mortgage and asset backed securities |  |
Schedule of Available-for-sale Securities |  |
Debt securities, amortized cost | 411,441 | 317,089
Less than 12 Months, Fair Value | 126,284 | 230,987
12 Months or More, Fair Value | 229,152 | 28,908
Total Fair Value | 355,436 | 259,895
Less than 12 Months, Unrealized Losses | (14,529) | (3,661)
12 Months or More, Unrealized Losses | (41,384) | (1,032)
Total Unrealized Losses | (55,913) | (4,693)
Held-to-maturity Securities, Less than 12 Months, Fair Value | 19,393 |
Held-to-maturity Securities, Less than 12 Months, Unrealized Losses | (1,916) |
Held-to-maturity Securities, 12 Months or More, Fair Value | 31,367 |
Held-to-maturity Securities, 12 Months or More,Unrealized Losses | (4,015) |
Held-to-maturity Securities, Total Fair Value | 50,760 |
Held-to-maturity Securities, Total Unrealized Losses | (5,931) |
Corporate Debt Securities |  |
Schedule of Available-for-sale Securities |  |
Debt securities, amortized cost |  | 44,500
Less than 12 Months, Fair Value |  | 21,183
12 Months or More, Fair Value |  | 0
Total Fair Value |  | 21,183
Less than 12 Months, Unrealized Losses |  | (317)
12 Months or More, Unrealized Losses |  | 0
Total Unrealized Losses |  | (317)
Held-to-maturity Securities, Less than 12 Months, Fair Value | 23,997 |
Held-to-maturity Securities, Less than 12 Months, Unrealized Losses | (1,561) |
Held-to-maturity Securities, 12 Months or More, Fair Value | 18,919 |
Held-to-maturity Securities, 12 Months or More,Unrealized Losses | (1,505) |
Held-to-maturity Securities, Total Fair Value | 42,916 |
Held-to-maturity Securities, Total Unrealized Losses | (3,066) |
US Treasury Securities |  |
Schedule of Available-for-sale Securities |  |
Debt securities, amortized cost | 9,990 | 9,988
Less than 12 Months, Fair Value | 0 | 9,925
12 Months or More, Fair Value | 8,707 | 0
Total Fair Value | 8,707 | 9,925
Less than 12 Months, Unrealized Losses | 0 | (63)
12 Months or More, Unrealized Losses | (1,283) | 0
Total Unrealized Losses | $ (1,283) | $ (63)

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