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Schedule of Available-for-sale Securities (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Investment Holdings [Line Items] |  |
Amortized cost | $ 335,330 | $ 284,758
Gross unrealized gains | 8,953 | 12,542
Gross unrealized losses | (339) | (30)
Estimated fair value | 343,944 | 297,270
US Treasury Securities [Member] |  |
Investment Holdings [Line Items] |  |
Amortized cost | 36,694 | 2,000
Gross unrealized gains | 21 | 37
Gross unrealized losses | (69) |
Estimated fair value | 36,646 | 2,037
U.S. Federal Agency Obligations [Member] |  |
Investment Holdings [Line Items] |  |
Amortized cost | 22,764 | 18,804
Gross unrealized gains | 107 | 138
Gross unrealized losses | (19) | (18)
Estimated fair value | 22,852 | 18,924
Municipal Obligations, Tax Exempt [Member] |  |
Investment Holdings [Line Items] |  |
Amortized cost | 135,332 | 136,321
Gross unrealized gains | 5,229 | 6,367
Gross unrealized losses | (35) | (12)
Estimated fair value | 140,526 | 142,676
Municipal Obligations, Taxable [Member] |  |
Investment Holdings [Line Items] |  |
Amortized cost | 37,325 | 46,643
Gross unrealized gains | 1,512 | 2,892
Gross unrealized losses | (58) |
Estimated fair value | 38,779 | 49,535
Agency Mortgage-backed Securities [Member] |  |
Investment Holdings [Line Items] |  |
Amortized cost | 98,010 | 75,530
Gross unrealized gains | 2,084 | 3,108
Gross unrealized losses | (158) |
Estimated fair value | 99,936 | 78,638
Certificates of Deposit [Member] |  |
Investment Holdings [Line Items] |  |
Amortized cost | 5,205 | 5,460
Gross unrealized gains |  |
Gross unrealized losses |  |
Estimated fair value | $ 5,205 | $ 5,460

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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=123581744&loc=d3e27161-111563 + 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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