Investments (Schedule of Continuous Losses) (Details) $ in Thousands	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	$ 35,620	$ 40,287
Less than 12 Months, Gross Unrealized Losses	974	1,467
12 Months or Longer, Fair Value	8,251	7,498
12 Months or Longer, Gross Unrealized Losses	725	1,121
Total Fair Value	43,871	47,785
Total Gross Unrealized Losses	$ 1,699	$ 2,588
Total Securities in a Loss Position	86	92
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	$ 14,036	$ 18,205
Less than 12 Months, Gross Unrealized Losses	396	821
12 Months or Longer, Fair Value	2,594	3,783
12 Months or Longer, Gross Unrealized Losses	482	907
Total Fair Value	16,630	21,988
Total Gross Unrealized Losses	$ 878	$ 1,728
Total Securities in a Loss Position	33	44
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	$ 4,235	$ 9,069
Less than 12 Months, Gross Unrealized Losses	84	161
12 Months or Longer, Fair Value	847	675
12 Months or Longer, Gross Unrealized Losses	89	63
Total Fair Value	5,082	9,744
Total Gross Unrealized Losses	$ 173	$ 224
Total Securities in a Loss Position	16	20
Private Label Asset Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	$ 1,774	$ 4,962
Less than 12 Months, Gross Unrealized Losses	53	379
12 Months or Longer, Fair Value	3,261	84
12 Months or Longer, Gross Unrealized Losses	112	1
Total Fair Value	5,035	5,046
Total Gross Unrealized Losses	$ 165	$ 380
Total Securities in a Loss Position	11	10
US States and Political Subdivisions Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	$ 4,154	$ 1,920
Less than 12 Months, Gross Unrealized Losses	147	36
12 Months or Longer, Fair Value	0	331
12 Months or Longer, Gross Unrealized Losses	0	11
Total Fair Value	4,154	2,251
Total Gross Unrealized Losses	$ 147	$ 47
Total Securities in a Loss Position	9	5
US Treasury Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	$ 11,421	$ 6,131
Less than 12 Months, Gross Unrealized Losses	294	70
12 Months or Longer, Fair Value	291	1,452
12 Months or Longer, Gross Unrealized Losses	14	26
Total Fair Value	11,712	7,583
Total Gross Unrealized Losses	$ 308	$ 96
Total Securities in a Loss Position	16	12
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	$ 0	$ 0
Less than 12 Months, Gross Unrealized Losses	0	0
12 Months or Longer, Fair Value	1,258	1,173
12 Months or Longer, Gross Unrealized Losses	28	113
Total Fair Value	1,258	1,173
Total Gross Unrealized Losses	$ 28	$ 113
Total Securities in a Loss Position	1	1