REINSURANCE (Detail) - Ratings profile of the reinsurers	Dec. 31, 2011
Rating profile of the reinsurers	100.00%
Standard & Poor's, AAA Rating [Member]
Rating profile of the reinsurers	1.30%
Standard & Poor's, AA Rating [Member]
Rating profile of the reinsurers	58.40%
Standard & Poor's, A Rating [Member]
Rating profile of the reinsurers	32.30%
Standard & Poor's, BBB Rating [Member]
Rating profile of the reinsurers	0.40%
BB and Below [Member]
Rating profile of the reinsurers	0.10%
Captives [Member]
Rating profile of the reinsurers	4.80%
Note Rated [Member]
Rating profile of the reinsurers	0.20%
Rating Other [Member]
Rating profile of the reinsurers	2.50%