Investments (Available-for-Sale Securities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 74,869	$ 74,911
Gross Unrealized Gains	7,193	7,728
Gross Unrealized Losses	636	1,018
Fair Value	81,426	81,621
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	31,387	19,907
Gross Unrealized Gains	2,430	1,340
Gross Unrealized Losses	80	267
Fair Value	33,737	20,980
Trust Preferred Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	537	537
Gross Unrealized Gains	50	0
Gross Unrealized Losses	0	58
Fair Value	587	479
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	8,595	7,587
Gross Unrealized Gains	175	307
Gross Unrealized Losses	85	23
Fair Value	8,685	7,871
Private Label Mortgage Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	7,679	9,716
Gross Unrealized Gains	294	199
Gross Unrealized Losses	9	62
Fair Value	7,964	9,853
US States and Political Subdivisions Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	16,160	18,355
Gross Unrealized Gains	1,359	1,142
Gross Unrealized Losses	3	15
Fair Value	17,516	19,482
US Treasury Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	7,320	13,878
Gross Unrealized Gains	487	534
Gross Unrealized Losses	2	3
Fair Value	7,805	14,409
Available-for-sale Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	71,678	69,980
Gross Unrealized Gains	4,795	3,522
Gross Unrealized Losses	179	428
Fair Value	76,294	73,074
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	3,191	4,931
Gross Unrealized Gains	2,398	4,206
Gross Unrealized Losses	457	590
Fair Value	$ 5,132	$ 8,547

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as Available-for-sale.

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- Definition

This item represents the gross unrealized gains for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities.

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