Significant Accounting Policies (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Premiums and other considerations	$ 9,123	$ 11,551	$ 16,454	$ 24,635
Insurance policy benefits and change in future policy benefits	10,987	13,768	21,082	28,528
Interest sensitive and index product benefits	367,774	333,001	684,966	556,171
Restatement Adjustment [Member]
Premiums and other considerations		8,600		19,000
Insurance policy benefits and change in future policy benefits		11,600		24,700
Interest sensitive and index product benefits		$ (3,000)		$ (5,700)