OTHER NONINTEREST REVENUE AND EXPENSE (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Other noninterest revenue [Abstract]
Annuity fees	$ 642	$ 1,296
Brokerage commissions and fees	1,438	1,638
Bank-owned life insurance	2,613	1,699
Other miscellaneous income	4,377	4,683
Total other noninterest income	9,070	9,316
Other noninterest income [Abstract]
Advertising	841	889
Foreclosed property expense	8,409	7,082
Telecommunications	2,206	2,143
Public relations	1,466	1,514
Data processing	2,764	2,301
Computer software	1,803	1,848
Amortization of intangibles	763	854
Legal fees	2,216	2,598
Postage and shipping	1,255	1,297
Other miscellaneous expense	18,244	17,355
Total other noninterest expense	$ 39,967	$ 37,881