Accumulated Other Comprehensive Loss (Details 1) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Unrealized gains on available-for-sale securities
Federal income tax expense		$ (386)	$ (337)	$ (949)	$ (813)
NET INCOME		$ 1,972	2,147	6,811	4,329
Reclassification out of Accumulated Other Comprehensive Income (Loss) | Accumulated Net Unrealized Investment Gain (Loss)
Unrealized gains on available-for-sale securities
Unrealized (losses) gains on available- for-sale securities	[1]		(7)	(21)	24
Federal income tax expense	[1]		3	4	(8)
NET INCOME	[1]		$ (4)	$ (17)	$ 16

[1] Amounts in parentheses indicate debits to net income.