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, 2012	Dec. 31, 2011		Dec. 31, 2010
Balance	$ 147,287	$ 160,712	[1]
Accumulated Net Unrealized Investment Gain (Loss) Pre Tax [Member] | Securities Related to Other Than Temporary Impairments [Member]
Balance	(1,740)	(6,560)		(8,543)
Cumulative impact of adoption of new authoritative guidance				0
Net investment gains (losses) on investments arising during the period	3,067	(1,482)		(646)
Reclassification adjustment for (gains) losses included in net income	(782)	6,302		2,640
Reclassification adjustment for OTTI losses excluded from net income		0	[2]	(11)	[2]
Impact of net unrealized investment (gains) losses on deferred policy acquisition costs	0	0		0
Balance	545	(1,740)		(6,560)
Deferred Costs Policy Acquisition And Sales Inducements And Valuation Of Business Acquired, Pre Tax [Member] | Securities Related to Other Than Temporary Impairments [Member]
Balance	692	2,852		4,341
Cumulative impact of adoption of new authoritative guidance				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
Reclassification adjustment for OTTI losses excluded from net income		0	[2]	0	[2]
Impact of net unrealized investment (gains) losses on deferred policy acquisition costs	(906)	(2,160)		(1,489)
Balance	(214)	692		2,852
Deferred Income Tax Liability Benefit [Member] | Securities Related to Other Than Temporary Impairments [Member]
Balance	382	1,313		1,488
Cumulative impact of adoption of new authoritative guidance				0
Net investment gains (losses) on investments arising during the period	(1,073)	519		229
Reclassification adjustment for (gains) losses included in net income	274	(2,206)		(935)
Reclassification adjustment for OTTI losses excluded from net income		0	[2]	4	[2]
Impact of net unrealized investment (gains) losses on deferred policy acquisition costs	317	756		527
Balance	(100)	382		1,313
Accumulated Net Unrealized Investment Gain (Loss) [Member] | Securities Related to Other Than Temporary Impairments [Member]
Balance	(666)	(2,395)		(2,714)
Cumulative impact of adoption of new authoritative guidance				0
Net investment gains (losses) on investments arising during the period	1,994	(963)		(417)
Reclassification adjustment for (gains) losses included in net income	(508)	4,096		1,705
Reclassification adjustment for OTTI losses excluded from net income		0	[2]	(7)	[2]
Impact of net unrealized investment (gains) losses on deferred policy acquisition costs	(589)	(1,404)		(962)
Balance	$ 231	$ (666)		$ (2,395)

[1] “As previously reported” column represents balances reported in the Annual Report on Form 10-K for the year ended December 31, 2011, originally filed with the U.S. Securities and Exchange commission (“SEC”) on March 9, 2012. “As currently reported” column was included in the 8-K filed with the SEC on November 28, 2012.

[2] Includes cash flow hedges. See Note 11 for additional discussion of our cash flow hedges.