Investments Unrealized Loss Position (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Gain (Loss) on Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax		$ 764
US Government Agencies Debt Securities [Member]
Gain (Loss) on Securities [Line Items]
Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$ 2,342	4,067
Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	3	50
Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	72	9
Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	3,087	1,545
Continuous Unrealized Loss Position, Fair Value	5,429	5,612
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	75	59
US States and Political Subdivisions Debt Securities [Member]
Gain (Loss) on Securities [Line Items]
Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	0	626
Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	0	13
Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	21	0
Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	602	0
Continuous Unrealized Loss Position, Fair Value	602	626
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	21	13
Fixed Maturities [Member]
Gain (Loss) on Securities [Line Items]
Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	3,079	9,996
Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	14	157
Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	226	9
Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	7,998	1,545
Continuous Unrealized Loss Position, Fair Value	11,077	11,541
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	240	166
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Gain (Loss) on Securities [Line Items]
Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	369	2,876
Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	9	57
Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	83	0
Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	2,157	0
Continuous Unrealized Loss Position, Fair Value	2,526	2,876
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	92	57
Corporate Debt Securities [Member]
Gain (Loss) on Securities [Line Items]
Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	368	2,427
Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	2	37
Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	50	0
Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	2,152	0
Continuous Unrealized Loss Position, Fair Value	2,520	2,427
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	$ 52	37
Equity Securities [Member]
Gain (Loss) on Securities [Line Items]
Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		3,570
Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss		313
Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss		0
Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		0
Continuous Unrealized Loss Position, Fair Value		3,570
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax		313
Warrant [Member]
Gain (Loss) on Securities [Line Items]
Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		675
Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss		285
Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss		0
Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		0
Continuous Unrealized Loss Position, Fair Value		675
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax		285
Equity Securities [Member]
Gain (Loss) on Securities [Line Items]
Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		4,245
Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss		598
Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss		0
Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		0
Continuous Unrealized Loss Position, Fair Value		4,245
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax		598
Available-for-sale Securities [Member]
Gain (Loss) on Securities [Line Items]
Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		14,241
Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss		755
Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss		9
Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		1,545
Continuous Unrealized Loss Position, Fair Value		15,786
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax		$ 764