Reinsurance (Schedule of Direct and Ceded Reinsurance) (Details) (PFG, USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
PFG
Life insurance in force
Direct amount	$ 4,753,786	$ 4,717,279
Ceded to other companies	3,545,700	3,587,345
Net amount	1,208,086	1,129,934
Deposits
Direct amount	241,368	342,244
Ceded to other companies	7,886	10,537
Net amount	$ 233,482	$ 331,707