Investments (Loan Valuation Allowance for Mortgage Loans) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Investments [Abstract]
Proceeds from Recoveries of Loans Previously Charged off	$ 97	$ 0	$ 121	$ 0
Allowance For Loan And Lease Losses Roll Forward
Balance, Beginning of Period	9,692	7,903	10,106	11,580
Charge-offs	(2,854)	0	(2,854)	(2,148)
Provision (release)	(93)	(234)	(531)	(1,763)
Balance, End of Period	$ 6,842	$ 7,669	$ 6,842	$ 7,669