Schedule V (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Valuation and Qualifying Accounts Disclosure [Line Items]
Uncollectible Premium Liability, Beg. Balance	$ 132	$ 34	$ 29
Charged to Costs and Expenses	356	198	42
Deductions	(344)	(100)	(37)
Uncollectible Premium Liability, End. Balance	$ 144	$ 132	$ 34