Investments (Net Unrealized Investment Gains and Losses on Fixed Maturity Securities on which an OTTI loss) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Balance	$ 70,867	$ 147,287
Accumulated Net Unrealized Investment Gain (Loss) Pre Tax [Member] | Securities Related to Other Than Temporary Impairments [Member]
Balance	545	(1,740)	(6,560)
Net investment gains (losses) on investments arising during the period	483	3,067	(1,482)
Reclassification adjustment for (gains) losses included in net income	(705)	(782)	6,302
Impact of net unrealized investment (gains) losses on deferred policy acquisition costs	0	0	0
Impact of net unrealized investment (gains) losses on policyholders' account balance	0	0	0
Balance	323	545	(1,740)
Deferred Costs Policy Acquisition And Sales Inducements And Valuation Of Business Acquired, Pre Tax [Member] | Securities Related to Other Than Temporary Impairments [Member]
Balance	(214)	692	2,852
Net investment gains (losses) on investments arising during the period	0	0	0
Reclassification adjustment for (gains) losses included in net income	0	0	0
Impact of net unrealized investment (gains) losses on deferred policy acquisition costs	98	(906)	(2,160)
Impact of net unrealized investment (gains) losses on policyholders' account balance	0	0	0
Balance	(116)	(214)	692
Policyholders Account Balances Pre Tax [Member] | Securities Related to Other Than Temporary Impairments [Member]
Balance	0	0	0
Net investment gains (losses) on investments arising during the period	0	0	0
Reclassification adjustment for (gains) losses included in net income	0	0	0
Impact of net unrealized investment (gains) losses on deferred policy acquisition costs	0	0	0
Impact of net unrealized investment (gains) losses on policyholders' account balance	(14)	0	0
Balance	(14)	0	0
Deferred Income Tax Liability Benefit [Member] | Securities Related to Other Than Temporary Impairments [Member]
Balance	(100)	382	1,313
Net investment gains (losses) on investments arising during the period	(168)	(1,073)	519
Reclassification adjustment for (gains) losses included in net income	247	274	(2,206)
Impact of net unrealized investment (gains) losses on deferred policy acquisition costs	(35)	317	756
Impact of net unrealized investment (gains) losses on policyholders' account balance	5	0	0
Balance	(51)	(100)	382
Accumulated Net Unrealized Investment Gain (Loss) [Member] | Securities Related to Other Than Temporary Impairments [Member]
Balance	231	(666)	(2,395)
Net investment gains (losses) on investments arising during the period	315	1,994	(963)
Reclassification adjustment for (gains) losses included in net income	(458)	(508)	4,096
Impact of net unrealized investment (gains) losses on deferred policy acquisition costs	63	(589)	(1,404)
Impact of net unrealized investment (gains) losses on policyholders' account balance	(9)	0	0
Balance	$ 142	$ 231	$ (666)