CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
REVENUES
Premiums earned, affiliated	$ 137,395	$ 130,873	$ 399,541	$ 374,609
LOSSES AND EXPENSES
Losses and settlement expenses, affiliated	106,090	86,786	298,444	244,756
Amortization of deferred policy acquisition costs, affiliated	24,761	23,327	73,365	68,177
Other underwriting expenses, affiliated	13,907	17,332	43,229	48,387
Other expense, affiliated	$ (152)	$ 544	$ 578	$ 965