Investments (Securities Pledged) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Financial Instruments Owned and Pledged as Collateral [Line Items]
Total securities pledged	$ 7,292	$ 10,836
Total liabilities supported by pledged collateral	7,529	11,063
Fixed Maturities
Financial Instruments Owned and Pledged as Collateral [Line Items]
Total securities pledged	7,292	10,836
Cash collateral for loaned securities
Financial Instruments Owned and Pledged as Collateral [Line Items]
Total liabilities supported by pledged collateral	$ 7,529	$ 11,063