Related Party Transactions (Effects of Affiliated Reinsurance on Balance Sheets) (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Assets:
Premiums, reinsurance and other receivables	$ 508,892	$ 354,939
Deferred policy acquisition costs and value of business acquired	109,840	85,173
Liabilities:
Future policy benefits	632,847	627,007
Policyholder account balances	1,175,397	1,202,350
Other policy-related balances	12,037	7,285
Other Liabilities	388,868	112,441
Ceded | Affiliated Entity
Assets:
Premiums, reinsurance and other receivables	485,516	321,868
Deferred policy acquisition costs and value of business acquired	(4,662)	(4,309)
Total assets	480,854	317,559
Liabilities:
Other Liabilities	378,165	99,641
Total liabilities	$ 378,165	$ 99,641