This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting and losses recognized for other than temporary impairments (OTTI) of the subject investments.

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+ Details

- Definition

The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

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+ Details

INVESTMENTS (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
INVESTMENTS
Net realized investment gains (losses), excluding OTTI									$ 26,528	$ 17,293	$ 23,243
OTTI									(1,156)	(257)
Net realized investment gains (losses)	9,139	5,481	(664)	11,416	2,691	(177)	10,050	4,472	25,372	17,036	23,243
Net changes in unrealized gains (losses) on investments:									39,855	32,855	28,695
Net realized investment gains (losses) and changes in unrealized gains (losses) on investments									65,227	49,891	51,938
Fixed income securities \| Available-For-Sale Securities
INVESTMENTS
Net realized investment gains (losses), excluding OTTI									12,965	10,892	15,590
Net changes in unrealized gains (losses) on investments:									23,643	22,393	4,879
Fixed income securities \| Held-to-Maturity Securities
INVESTMENTS
Net realized investment gains (losses), excluding OTTI									247	201	120
Fixed income securities \| Trading Securities
INVESTMENTS
Net realized investment gains (losses), excluding OTTI											28
Equity securities
INVESTMENTS
Net realized investment gains (losses), excluding OTTI									16,245	6,129	7,443
OTTI									(1,156)	(257)
Net changes in unrealized gains (losses) on investments:									16,212	10,462	23,816
Other
INVESTMENTS
Net realized investment gains (losses), excluding OTTI									$ (2,929)	$ 71	$ 62