Schedule II. Condensed Financial Information of Registrant (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Adjustments to reconcile net income to net cash provided by (used in)operating activities:
Net realized gains on investments	$ (234)	$ (998)
Deferred income tax expense	295	1,173
Other Noncash Income (Expense)	3	9
Net cash provided by operating activities	2,316	1,148
Net Cash Provided by (Used in) Investing Activities [Abstract]
Net cash provided by (used in) investing activities	(1,113)	684
Net Cash Provided by (Used in) Financing Activities [Abstract]
Net cash used in financing activities	(1,927)	(1,227)
Net change in cash and cash equivalents	(724)	605
Cash and cash equivalents, beginning of year	7,368	6,763
Cash and cash equivalents, end of period	6,644	7,368
Parent Company
Condensed Financial Statements, Captions [Line Items]
Net income	(1,203)	3,063
Adjustments to reconcile net income to net cash provided by (used in)operating activities:
Equity in undistributed earnings of subsidiaries	1,044	(1,907)
Deferred income tax expense	210	1,481
Other Noncash Income (Expense)	2,016	(643)
Net cash provided by operating activities	2,067	1,994
Net Cash Provided by (Used in) Investing Activities [Abstract]
Net sales (purchases) of investments	0	0
Net cash provided by (used in) investing activities	0	0
Net Cash Provided by (Used in) Financing Activities [Abstract]
Net (repayments) proceeds from debt	(1,500)	(843)
Cash dividends	(504)	(452)
Net cash used in financing activities	(2,004)	(1,295)
Net change in cash and cash equivalents	63	699
Cash and cash equivalents, beginning of year	1,690	991
Cash and cash equivalents, end of period	$ 1,753	$ 1,690