Investments, Securities in Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months	$ 2,059	$ 0
12 months or longer	355	1,798
Total	2,414	1,798
Continuous Unrealized Loss Position, Unrealized Loss [Abstract]
Less than 12 months	(15)	0
12 months or longer	(17)	(39)
Total	(32)	(39)
Municipal Bonds [Member]
Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months	890
12 months or longer	0
Total	890
Continuous Unrealized Loss Position, Unrealized Loss [Abstract]
Less than 12 months	(1)
12 months or longer	0
Total	(1)
Agency Mortgage-backed Securities [Member]
Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months	1,169	0
12 months or longer	0	1,370
Total	1,169	1,370
Continuous Unrealized Loss Position, Unrealized Loss [Abstract]
Less than 12 months	(14)	0
12 months or longer	0	(18)
Total	(14)	(18)
Non-agency Mortgage-backed Securities [Member]
Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months	0	0
12 months or longer	355	428
Total	355	428
Continuous Unrealized Loss Position, Unrealized Loss [Abstract]
Less than 12 months	0	0
12 months or longer	(17)	(21)
Total	$ (17)	$ (21)