Investments (Available-for-Sale Securities) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 88,874	$ 86,444
Gross Unrealized Gains	6,703	6,288
Gross Unrealized Losses	712	851
Fair Value	94,865us-gaap_AvailableForSaleSecurities	91,881us-gaap_AvailableForSaleSecurities
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	36,570	37,299
Gross Unrealized Gains	1,904	1,773
Gross Unrealized Losses	311	405
Fair Value	38,163	38,667
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	11,998	12,691
Gross Unrealized Gains	297	214
Gross Unrealized Losses	132	153
Fair Value	12,163	12,752
Private Label Mortgage Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	5,111	1,261
Gross Unrealized Gains	42	38
Gross Unrealized Losses	73	3
Fair Value	5,080	1,296
US States and Political Subdivisions Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	14,885	14,919
Gross Unrealized Gains	1,043	993
Gross Unrealized Losses	4	13
Fair Value	15,924	15,899
US Treasury Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	17,890	17,854
Gross Unrealized Gains	727	525
Gross Unrealized Losses	46	107
Fair Value	18,571	18,272
Available-for-sale Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	86,454	84,024
Gross Unrealized Gains	4,013	3,543
Gross Unrealized Losses	566	681
Fair Value	89,901	86,886
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,420	2,420
Gross Unrealized Gains	2,690	2,745
Gross Unrealized Losses	146	170
Fair Value	$ 4,964	$ 4,995

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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-Publisher FASB

-Name Accounting Standards Codification

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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