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Securities - Fair Value of Securites (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Unrealized gains and losses recognized in accumulated other comprehensive income (loss)
Amortized Cost	$ 112,069	$ 92,876
Gross Unrealized Gains	443	536
Gross Unrealized Losses	(60)	(29)
Total Fair value	112,452	93,383
Certificates of deposit [Member]
Unrealized gains and losses recognized in accumulated other comprehensive income (loss)
Amortized Cost	96,603	75,916
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Total Fair value	96,603	75,916
Equity mutual fund [Member]
Unrealized gains and losses recognized in accumulated other comprehensive income (loss)
Amortized Cost		500
Gross Unrealized Gains		0
Gross Unrealized Losses		(1)
Total Fair value	0	499
Mortgage - backed securities - residential [Member]
Unrealized gains and losses recognized in accumulated other comprehensive income (loss)
Amortized Cost	11,431	11,969
Gross Unrealized Gains	429	520
Gross Unrealized Losses	(49)	(17)
Total Fair value	11,811	12,472
Collateralized mortgage obligations - residential [Member]
Unrealized gains and losses recognized in accumulated other comprehensive income (loss)
Amortized Cost	4,028	4,481
Gross Unrealized Gains	14	16
Gross Unrealized Losses	(11)	(11)
Total Fair value	4,031	4,486
SBA-guaranteed loan participation certificates [Member]
Unrealized gains and losses recognized in accumulated other comprehensive income (loss)
Amortized Cost	7	10
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Total Fair value	$ 7	$ 10

X

- Definition

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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