CONSOLIDATED STATEMENTS OF INCOME (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CONSOLIDATED STATEMENTS OF INCOME
Benefits and settlement expenses, reinsurance ceded	$ 1,209,783	$ 1,228,425	$ 1,228,775
Other operating expenses, reinsurance ceded	$ 196,311	$ 196,709	$ 198,888