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Available-for-sale securities (Details 2) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020 | Mar. 31, 2020
--- | --- | --- | ---
Available-for-sale securities [Abstract] |  |  |
Cost | $ 11,345 | $ 11,185 | $ 10,864
Gross Unrealized Gains | 155 | 156 | 248
Gross Unrealized Losses | 24 | 14 | 0
Fair Value | 11,476 | 11,327 | 11,112
Mortgage-backed securities |  |  |
Available-for-sale securities [Abstract] |  |  |
Cost | 8,709 | 9,799 | 9,691
Gross Unrealized Gains | 155 | 156 | 236
Gross Unrealized Losses | 10 | 9 | 0
Fair Value | 8,854 | 9,946 | 9,927
U.S. Treasury securities |  |  |
Available-for-sale securities [Abstract] |  |  |
Cost | 2,636 | 1,386 | 1,173
Gross Unrealized Gains | 0 | 0 | 12
Gross Unrealized Losses | 14 | 5 | 0
Fair Value | $ 2,622 | $ 1,381 | $ 1,185

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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 + Details
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- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References No definition available. + Details
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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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