OTHER NONINTEREST REVENUE AND EXPENSE (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Other noninterest revenue [Abstract]
Annuity fees	$ 2,312	$ 2,243	$ 3,323
Brokerage commissions and fees	7,203	6,714	5,918
Bank-owned life insurance	8,314	8,074	7,662
Other miscellaneous income	15,153	15,124	16,599
Total other noninterest income	32,982	32,155	33,502
Other noninterest income [Abstract]
Advertising	4,558	4,869	5,098
Foreclosed property expense	11,728	39,406	27,796
Telecommunications	8,481	8,515	8,386
Public relations	4,258	5,434	5,727
Data processing	10,962	10,234	9,677
Computer software	8,496	7,476	7,502
Amortization of intangibles	2,979	3,222	3,324
Legal expenses	20,426	9,334	9,170
Postage and shipping	4,369	4,465	4,812
Other miscellaneous expense	66,801	71,994	73,945
Total other noninterest expense	$ 143,058	$ 164,949	$ 155,437