Investments (Major Categories of Investment Gains and Losses) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Gain (Loss) on Investments [Line Items]
Net realized investment gains (losses)	$ 130	$ 141	$ 517	$ 541
Fixed Maturities [Member]
Gain (Loss) on Investments [Line Items]
Net realized investment gains (losses)	130	117	522	366
Other, Principally Real Estate [Member]
Gain (Loss) on Investments [Line Items]
Net realized investment gains (losses)	$ 0	$ 24	$ (5)	$ 175

The net realized gains or losses on investments during the period, not including gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.3(a))

-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 325

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6485959&loc=d3e22529-158502

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration