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Securities - Schedule of Amortized Cost and Approximate Fair Values of Securities (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Held-to-maturity, amortized cost | $ 6,195 | $ 7,139
Held-to-maturity, gross unrealized gains | 226 | 40
Held-to-maturity, gross unrealized losses |  | (4)
Held-to-maturity, fair value | 6,421 | 7,175
Available for sale, amortized cost | 5,845 |
Available for sale, gross unrealized gains | 2,842 |
Available for sale, gross unrealized losses | (53) |
Available for sale, fair value | 5,861 | 2,359
Collateralized Mortgage Obligations [Member] |  |
Held-to-maturity, amortized cost | 4,529 | 5,183
Held-to-maturity, gross unrealized gains | 171 | 25
Held-to-maturity, gross unrealized losses |  | (4)
Held-to-maturity, fair value | 4,700 | 5,204
Available for sale, amortized cost | 1,146 |
Available for sale, gross unrealized gains | 22 |
Available for sale, gross unrealized losses |  |
Available for sale, fair value | 1,168 |
Mortgage Backed Securities [Member] |  |
Held-to-maturity, amortized cost | 1,666 | 1,956
Held-to-maturity, gross unrealized gains | 55 | 15
Held-to-maturity, gross unrealized losses |  |
Held-to-maturity, fair value | 1,721 | 1,971
Available for sale, amortized cost | 2,795 |
Available for sale, gross unrealized gains | 47 |
Available for sale, gross unrealized losses |  |
Available for sale, fair value | 2,842 |
SBA Pool Securities [Member] |  |
Available for sale, amortized cost | 1,904 | 2,423
Available for sale, gross unrealized gains |  |
Available for sale, gross unrealized losses | (53) | (64)
Available for sale, fair value | $ 1,851 | $ 2,359

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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=118939692&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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- Definition Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563 + Details
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- Definition Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563 + Details
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- Definition Amortized cost of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563 + Details
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