Investments (Available-for-Sale Securities) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 87,376	$ 86,444
Gross Unrealized Gains	5,193	6,288
Gross Unrealized Losses	1,082	851
Fair Value	91,487	91,881
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	32,203	37,299
Gross Unrealized Gains	1,100	1,773
Gross Unrealized Losses	464	405
Fair Value	32,839	38,667
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	12,037	12,691
Gross Unrealized Gains	182	214
Gross Unrealized Losses	169	153
Fair Value	12,050	12,752
Private Label Mortgage Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	6,629	1,261
Gross Unrealized Gains	32	38
Gross Unrealized Losses	94	3
Fair Value	6,567	1,296
US States and Political Subdivisions Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	15,146	14,919
Gross Unrealized Gains	829	993
Gross Unrealized Losses	50	13
Fair Value	15,925	15,899
US Treasury Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	18,941	17,854
Gross Unrealized Gains	482	525
Gross Unrealized Losses	156	107
Fair Value	19,267	18,272
Available-for-sale Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	84,956	84,024
Gross Unrealized Gains	2,625	3,543
Gross Unrealized Losses	933	681
Fair Value	86,648	86,886
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,420	2,420
Gross Unrealized Gains	2,568	2,745
Gross Unrealized Losses	149	170
Fair Value	$ 4,839	$ 4,995