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Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Computed "expected" tax expense	$ 2,435	$ 1,180	$ 3,833
Tax-exempt interest income, net	(850)	(1,346)	(1,220)
Deferred tax remeasurement	85	(352)
REIT excise tax		249
Excess tax benefit from stock option exercise	(119)	(107)	(283)
Bank owned life insurance	(140)	(316)	(177)
Reversal of unrecognized tax benefits, net	(512)	(197)	(125)
State income taxes, net of federal benefit	364	61	269
Investment tax credits	(24)	(7)	(11)
Other, net	(71)	(62)	28
Income tax (benefit) expense	$ 1,168	$ (897)	$ 2,314

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to stock option exercise.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to Bank owned life insurance.

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Income Tax Reconciliation REIT Excise Tax.

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It represents the income tax reconciliation unrecognized tax benefits.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to investment tax credit.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income (loss) exempt from income taxes.

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