Investments (Schedule of Continuous Losses) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	$ 10,315	$ 8,576
Less than 12 Months, Gross Unrealized Losses	113	312
12 Months or Longer, Fair Value	4,603	4,796
12 Months or Longer, Gross Unrealized Losses	702	706
Total Fair Value	14,918	13,372
Total Gross Unrealized Losses	815	1,018
Total Securities in a Loss Position	41	40
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	8,368	4,703
Less than 12 Months, Gross Unrealized Losses	81	166
12 Months or Longer, Fair Value	2,647	899
12 Months or Longer, Gross Unrealized Losses	152	101
Total Fair Value	11,015	5,602
Total Gross Unrealized Losses	233	267
Total Securities in a Loss Position	27	15
Trust Preferred Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	0	479
Less than 12 Months, Gross Unrealized Losses	0	58
12 Months or Longer, Fair Value	535	0
12 Months or Longer, Gross Unrealized Losses	2	0
Total Fair Value	535	479
Total Gross Unrealized Losses	2	58
Total Securities in a Loss Position	1	1
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	1,155	883
Less than 12 Months, Gross Unrealized Losses	22	21
12 Months or Longer, Fair Value	0	198
12 Months or Longer, Gross Unrealized Losses	0	2
Total Fair Value	1,155	1,081
Total Gross Unrealized Losses	22	23
Total Securities in a Loss Position	4	3
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	0	1,860
Less than 12 Months, Gross Unrealized Losses	0	15
12 Months or Longer, Fair Value	117	1,094
12 Months or Longer, Gross Unrealized Losses	5	47
Total Fair Value	117	2,954
Total Gross Unrealized Losses	5	62
Total Securities in a Loss Position	1	9
US States and Political Subdivisions Debt 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	0	1,803
12 Months or Longer, Gross Unrealized Losses	0	15
Total Fair Value	0	1,803
Total Gross Unrealized Losses	0	15
Total Securities in a Loss Position	0	5
US Treasury Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	608	260
Less than 12 Months, Gross Unrealized Losses	2	3
12 Months or Longer, Fair Value	254	0
12 Months or Longer, Gross Unrealized Losses	8	0
Total Fair Value	862	260
Total Gross Unrealized Losses	10	3
Total Securities in a Loss Position	3	1
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	184	391
Less than 12 Months, Gross Unrealized Losses	8	49
12 Months or Longer, Fair Value	1,050	802
12 Months or Longer, Gross Unrealized Losses	535	541
Total Fair Value	1,234	1,193
Total Gross Unrealized Losses	$ 543	$ 590
Total Securities in a Loss Position	5	6