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6. Fair Value (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Estimated fair value | $ 222,991 | $ 195,746
Level 1 |  |
Estimated fair value | 0 | 0
Level 2 |  |
Estimated fair value | 222,741 | 195,496
Level 3 |  |
Estimated fair value | 250 | 250
Mortgage-Backed Securities |  |
Estimated fair value | 114,983 | 78,956
Mortgage-Backed Securities | Level 1 |  |
Estimated fair value | 0 | 0
Mortgage-Backed Securities | Level 2 |  |
Estimated fair value | 114,983 | 78,956
Mortgage-Backed Securities | Level 3 |  |
Estimated fair value | 0 | 0
U.S. Government Sponsored Enterprises |  |
Estimated fair value | 7,608 | 28,397
U.S. Government Sponsored Enterprises | Level 1 |  |
Estimated fair value | 0 | 0
U.S. Government Sponsored Enterprises | Level 2 |  |
Estimated fair value | 7,608 | 28,397
U.S. Government Sponsored Enterprises | Level 3 |  |
Estimated fair value | 0 | 0
State and Political Subdivisions |  |
Estimated fair value | 100,150 | 88,143
State and Political Subdivisions | Level 1 |  |
Estimated fair value | 0 | 0
State and Political Subdivisions | Level 2 |  |
Estimated fair value | 100,150 | 88,143
State and Political Subdivisions | Level 3 |  |
Estimated fair value | 0 | 0
Trust Preferred Securities |  |
Estimated fair value | 250 | 250
Trust Preferred Securities | Level 1 |  |
Estimated fair value | 0 | 0
Trust Preferred Securities | Level 2 |  |
Estimated fair value | 0 | 0
Trust Preferred Securities | Level 3 |  |
Estimated fair value | $ 250 | $ 250

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