OTHER NONINTEREST REVENUE AND EXPENSE (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Other noninterest revenue [Abstract]
Annuity fees	$ 548	$ 552	$ 1,825	$ 2,942
Brokerage commissions and fees	1,782	1,627	4,999	4,702
Bank-owned life insurance	1,750	1,734	6,175	5,656
Other miscellaneous income	3,673	2,357	11,488	11,772
Total other noninterest income	7,753	6,270	24,487	25,072
Other noninterest income [Abstract]
Advertising	1,081	1,140	2,824	3,320
Foreclosed property expense	8,794	6,116	27,415	16,963
Telecommunications	2,118	2,097	6,347	6,276
Public relations	1,309	1,415	4,130	4,483
Data processing	2,312	2,614	7,520	7,280
Computer software	1,856	1,863	5,445	5,610
Amortization of intangibles	861	822	2,366	2,510
Legal	3,004	1,586	6,201	5,267
Postage and shipping	1,060	1,182	3,348	3,650
Other miscellaneous expense	16,540	19,740	52,546	55,984
Total other noninterest expense	$ 38,934	$ 38,576	$ 118,141	$ 111,343