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Securities - Fair Value of Securites (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 87,808	$ 92,876
Gross Unrealized Gains	411	536
Gross Unrealized Losses	(40)	(29)
Fair Value	88,179	93,383
Certificates of deposit [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	73,507	75,916
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	73,507	75,916
Municipal Bonds [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	509
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Fair Value	509
Equity mutual fund [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		500
Gross Unrealized Gains		0
Gross Unrealized Losses		(1)
Fair Value	0	499
Mortgage - backed securities - residential [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	10,116	11,969
Gross Unrealized Gains	400	520
Gross Unrealized Losses	(38)	(17)
Fair Value	10,478	12,472
Collateralized mortgage obligations - residential [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	3,676	4,481
Gross Unrealized Gains	11	16
Gross Unrealized Losses	(2)	(11)
Fair Value	3,685	4,486
SBA-guaranteed loan participation certificates [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		10
Gross Unrealized Gains		0
Gross Unrealized Losses		0
Fair Value		$ 10
Common Class B [Member] | Equity mutual fund [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	0
Gross Unrealized Gains	3,427
Gross Unrealized Losses	0
Fair Value	$ 3,427

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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