Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Tax Disclosure [Abstract]
Income tax expense at statutory income tax rate	$ 530	$ 734	$ 660	$ 159
State income tax (net of federal tax benefit)	107	82	109	77
Other	2	4	5	6
Income tax expense	$ 639	$ 820	$ 774	$ 242