Investments (OTTI by Asset Type) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
OTTI Losses Gross	$ 11,104us-gaap_ImpairmentOfInvestments	$ 5,566us-gaap_ImpairmentOfInvestments	$ 1,711us-gaap_ImpairmentOfInvestments
OTTI included in OCI	0	(77)	(2,553)
Total OTTI charges recognized in earnings	11,104	5,643	4,264
Fixed Income Securities [Member] \| AFS Fixed Income Securities [Member]
OTTI Losses Gross	7	16	(1,462)
OTTI included in OCI	0	(30)	(2,553)
Total OTTI charges recognized in earnings	7	46	1,091
Equity Securities [Member]
OTTI Losses Gross	10,517	3,747	3,173
OTTI included in OCI	0	0	0
Total OTTI charges recognized in earnings	10,517	3,747	3,173
Other Investments [Member]
OTTI Losses Gross	580	1,847
OTTI included in OCI	0	0
Total OTTI charges recognized in earnings	580	1,847
Available-for-sale Securities [Member]
OTTI Losses Gross	10,524	3,763
OTTI included in OCI	0	(30)
Total OTTI charges recognized in earnings	10,524	3,793
Fixed Income Securities [Member] \| Asset-backed Securities [Member] \| AFS Fixed Income Securities [Member]
OTTI Losses Gross			98
OTTI included in OCI			0
Total OTTI charges recognized in earnings			98
Fixed Income Securities [Member] \| Asset-backed Securities [Member] \| Held To Maturity Fixed Maturity Securities [Member]
OTTI Losses Gross		(44)
OTTI included in OCI		(47)
Total OTTI charges recognized in earnings		3
Fixed Income Securities [Member] \| Commercial Mortgage Backed Securities [Member] \| AFS Fixed Income Securities [Member]
OTTI Losses Gross			(1,525)
OTTI included in OCI			(2,335)
Total OTTI charges recognized in earnings			810
Fixed Income Securities [Member] \| Residential Mortgage Backed Securities [Member] \| AFS Fixed Income Securities [Member]
OTTI Losses Gross	7	16	(35)
OTTI included in OCI	0	(30)	(218)
Total OTTI charges recognized in earnings	7	46	183
Securities Which Will Not Recover In The Near Term [Member] \| Equity Securities [Member]
Total OTTI charges recognized in earnings		2,000	1,000
Securities In Loss Position With Intent to Sell [Member] \| Equity Securities [Member]
Total OTTI charges recognized in earnings	$ 9,000	$ 1,700	$ 2,200

The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

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Amount before tax of other than temporary impairment (OTTI) loss on investments in available-for-sale and held-to-maturity debt securities, recognized in other comprehensive loss.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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