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2. Investment Securities (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2020 | Dec. 31, 2019
Investment Securities Available for Sale |  |
Amortized cost | $ 215,199 | $ 191,013
Estimated fair value | 222,991 | 195,746
Mortgage-Backed Securities |  |
Investment Securities Available for Sale |  |
Amortized cost | 112,274 | 77,812
Gross unrealized gains | 3,242 | 1,371
Gross unrealized losses | 533 | 227
Estimated fair value | 114,983 | 78,956
U.S. Government Sponsored Enterprises |  |
Investment Securities Available for Sale |  |
Amortized cost | 7,479 | 28,265
Gross unrealized gains | 342 | 443
Gross unrealized losses | 213 | 311
Estimated fair value | 7,608 | 28,397
State and Political Subdivisions |  |
Investment Securities Available for Sale |  |
Amortized cost | 95,196 | 84,686
Gross unrealized gains | 4,975 | 3,657
Gross unrealized losses | 21 | 200
Estimated fair value | 100,150 | 88,143
Trust Preferred Securities |  |
Investment Securities Available for Sale |  |
Amortized cost | 250 | 250
Gross unrealized gains | 0 | 0
Gross unrealized losses | 0 | 0
Estimated fair value | 250 | 250
Total |  |
Investment Securities Available for Sale |  |
Gross unrealized gains | 8,559 | 5,471
Gross unrealized losses | $ 767 | $ 738

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- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References No definition available. + Details
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