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Securities - Schedule of Amortized Cost of Debt Securities and Their Approximate Fair Values (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Dec. 31, 2017
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Available for sale securities: |  |
Available for sale securities, Fair Value | $ 183,184 | $ 250,603
Total Available for sale securities, Amortized Cost | 185,579 | 251,381
Total Available for sale securities, Gross Unrealized Gains | 286 | 658
Total Available for sale securities, Gross Unrealized Losses | (2,681) | (1,436)
Total Available for sale securities, Fair Value | 183,184 | 250,603
Held to maturity securities: |  |
Held to maturity securities, Amortized Cost | 8,673 | 8,557
Held to maturity securities, Fair Value | 8,093 | 7,527
U.S. Treasury Notes |  |
Available for sale securities: |  |
Available for sale securities, Amortized Cost | 1,948 | 1,940
Available for sale securities, Gross Unrealized Losses | (37) | (6)
Available for sale securities, Fair Value | 1,911 | 1,934
U.S. Government Agency Obligations |  |
Available for sale securities: |  |
Available for sale securities, Amortized Cost | 96,925 | 110,531
Available for sale securities, Gross Unrealized Gains |  | 76
Available for sale securities, Gross Unrealized Losses | (1,260) | (717)
Available for sale securities, Fair Value | 95,665 | 109,890
Mortgage-backed Securities, Residential |  |
Available for sale securities: |  |
Available for sale securities, Amortized Cost | 30,525 | 33,537
Available for sale securities, Gross Unrealized Gains | 223 | 306
Available for sale securities, Gross Unrealized Losses | (510) | (180)
Available for sale securities, Fair Value | 30,238 | 33,663
Asset Backed Securities |  |
Available for sale securities: |  |
Available for sale securities, Amortized Cost | 10,713 | 11,883
Available for sale securities, Gross Unrealized Gains | 35 | 47
Available for sale securities, Gross Unrealized Losses | (82) | (85)
Available for sale securities, Fair Value | 10,666 | 11,845
State and Municipal |  |
Available for sale securities: |  |
Available for sale securities, Amortized Cost | 36,285 | 74,684
Available for sale securities, Gross Unrealized Gains | 9 | 150
Available for sale securities, Gross Unrealized Losses | (681) | (443)
Available for sale securities, Fair Value | 35,613 | 74,391
Corporate Bonds |  |
Available for sale securities: |  |
Available for sale securities, Amortized Cost | 5,817 | 15,271
Available for sale securities, Gross Unrealized Gains | 18 | 52
Available for sale securities, Gross Unrealized Losses | (81) | (3)
Available for sale securities, Fair Value | 5,754 | 15,320
SBA Pooled Securities |  |
Available for sale securities: |  |
Available for sale securities, Amortized Cost | 3,366 | 3,535
Available for sale securities, Gross Unrealized Gains | 1 | 27
Available for sale securities, Gross Unrealized Losses | (30) | (2)
Available for sale securities, Fair Value | 3,337 | 3,560
CLO Securities |  |
Held to maturity securities: |  |
Held to maturity securities, Amortized Cost | 8,673 | 8,557
Held to maturity securities, Gross Unrealized Losses | (580) | (1,030)
Held to maturity securities, Fair Value | $ 8,093 | $ 7,527

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- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82897076&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 securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
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- Definition This item represents the cost of debt 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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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