Investments (Net Unrealized Investment Gains and Losses on Fixed Maturity Securities on which an OTTI loss) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance	$ 178,691
Balance	109,324
Securities Related to Other Than Temporary Impairments | Net Unrealized Gains (Losses) on Investments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance	5,333
Net investment gains (losses) on investments arising during the period	121
Reclassification adjustment for (gains) losses included in net income	(224)
Reclassification adjustment for OTTI losses excluded from net income	7
Impact of net unrealized investment (gains) losses on deferred policy acquisition costs and other costs	0
Impact of net unrealized investment (gains) losses on future policy benefits and policyholders’ account balances	0
Balance	5,237
Securities Related to Other Than Temporary Impairments | Deferred Policy Acquisition Costs and Other Costs
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance	(2,538)
Net investment gains (losses) on investments arising during the period	0
Reclassification adjustment for (gains) losses included in net income	0
Reclassification adjustment for OTTI losses excluded from net income	0
Impact of net unrealized investment (gains) losses on deferred policy acquisition costs and other costs	1,192
Impact of net unrealized investment (gains) losses on future policy benefits and policyholders’ account balances	0
Balance	(1,346)
Securities Related to Other Than Temporary Impairments | Future Policy Benefits and Policyholders’ Account Balances
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance	1,228
Net investment gains (losses) on investments arising during the period	0
Reclassification adjustment for (gains) losses included in net income	0
Reclassification adjustment for OTTI losses excluded from net income	0
Impact of net unrealized investment (gains) losses on deferred policy acquisition costs and other costs	0
Impact of net unrealized investment (gains) losses on future policy benefits and policyholders’ account balances	(109)
Balance	1,119
Securities Related to Other Than Temporary Impairments | Deferred Income Tax (Liability) Benefit
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance	(1,440)
Net investment gains (losses) on investments arising during the period	(42)
Reclassification adjustment for (gains) losses included in net income	78
Reclassification adjustment for OTTI losses excluded from net income	(2)
Impact of net unrealized investment (gains) losses on deferred policy acquisition costs and other costs	(417)
Impact of net unrealized investment (gains) losses on future policy benefits and policyholders’ account balances	38
Balance	(1,785)
Securities Related to Other Than Temporary Impairments | Accumulated Other Comprehensive Income (Loss) Related To Net Unrealized Investment Gains (Losses)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance	2,583
Net investment gains (losses) on investments arising during the period	79
Reclassification adjustment for (gains) losses included in net income	(146)
Reclassification adjustment for OTTI losses excluded from net income	5
Impact of net unrealized investment (gains) losses on deferred policy acquisition costs and other costs	775
Impact of net unrealized investment (gains) losses on future policy benefits and policyholders’ account balances	(71)
Balance	$ 3,225