Income Taxes Deferred Tax Assets and Deferred Tax Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Deferred Tax Assets, Future Policy Benefit Reserves	$ 2,795	$ 78,372
Deferred Tax Asset from Net Operating Loss and Capital Loss Carryforwards	191	485
Deferred Tax Asset, Accrued Expenses	30	65
Deferred Tax Assets, Investments	1,841	6,002
Deferred Tax Asset, Deferred Intercompany Loss	5,190	0
Deferred Tax Assets, Other	309	276
Deferred Tax Assets, Gross	10,356	85,200
Deferred Tax Liabilty from Deferred Acquisition Cost, Value of Business Acquired and Other Intangibles	(8,745)	(25,518)
Deferred Tax Liability from Unrealized Gains on Investments Available for Sale	(1,968)	(8,297)
Deferred Tax Liability from Policyholder Dividends	0	(441)
Deferred Tax Liability, Tax Reserves Transition Liability under TCJA	(4,864)	0
Deferred Tax Liabilities, Other	(488)	(147)
Gross deferred federal income taxes	(16,065)	(34,403)
Deferred Tax Liabilities, Net	(5,709)	0
Deferred tax assets, net	$ 0	$ 50,797	$ 76,869