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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
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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Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale.

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