Changes in Accumulated Other Comprehensive Income (Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Net Income (Loss) Per Share (Details)
Other comprehensive income, before tax amount, beginning	$ (44)	$ (141)	$ (117)	$ (73)
Deferred Taxes, beginning	10	30	25	16
Other comprehensive income, Net of tax Amount, beginning	(34)	(111)	(92)	(57)
Unrealized holding gain arising during period, before tax amount	52	20	125	(88)
Unrealized holding gain arising during period, taxes	(12)	4	(27)	18
Unrealized holding gain arising during period, net of tax amount	40	16	98	(70)
Other comprehensive loss, net, before tax amount	52	(20)	125	(88)
Other comprehensive loss, net, taxes	12	4	(27)	18
Other comprehensive loss, net, net after tax amount	40	(16)	98	70
Other comprenshive income,before tax amount,ending	8	(161)	8	(161)
Other comprenshive income,Net of tax amount,ending	6	(127)	6	(127)
Other comprenshive income,Deferred tax amount,ending	$ (2)	$ 34	$ (2)	$ 34