Investments (Net Unrealized Investment Gains and Losses on Fixed Maturity Securities on which an OTTI loss) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance	$ 64,805
Balance	241,016
Securities Related to Other Than Temporary Impairments | Net Unrealized Gains (Losses) on Investments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance	5,196
Net investment gains (losses) on investments arising during the period	1,016
Reclassification adjustment for (gains) losses included in net income	(1,316)
Reclassification adjustment for OTTI losses excluded from net income	(512)
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	4,384
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	(1,350)
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	(64)
Impact of net unrealized investment (gains) losses on future policy benefits and policyholders’ account balances	0
Balance	(1,414)
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	1,114
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	50
Balance	1,164
Securities Related to Other Than Temporary Impairments | Deferred Income Tax (Liability) Benefit
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance	(1,767)
Net investment gains (losses) on investments arising during the period	(356)
Reclassification adjustment for (gains) losses included in net income	461
Reclassification adjustment for OTTI losses excluded from net income	179
Impact of net unrealized investment (gains) losses on deferred policy acquisition costs and other costs	22
Impact of net unrealized investment (gains) losses on future policy benefits and policyholders’ account balances	(18)
Balance	(1,479)
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	3,193
Net investment gains (losses) on investments arising during the period	660
Reclassification adjustment for (gains) losses included in net income	(855)
Reclassification adjustment for OTTI losses excluded from net income	(333)
Impact of net unrealized investment (gains) losses on deferred policy acquisition costs and other costs	(42)
Impact of net unrealized investment (gains) losses on future policy benefits and policyholders’ account balances	32
Balance	$ 2,655