PARENT ONLY CONDENSED FINANCIAL STATEMENTS (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Expenses
Interest expense									$ 9,979	$ 14,686	$ 21,763
Salaries and benefits									52,165	48,990	49,950
Income before income tax									31,664	33,285	27,551
Income tax (benefit)									5,319	6,027	3,738
Net income	7,398	7,632	7,324	3,991	7,279	6,986	6,982	6,011	26,345	27,258	23,813
Parent Company
Income
Dividends from subsidiaries									34,200	47,800	2,825
Fees from subsidiaries									14,160	19,024	19,624
Other income									9	(845)	176
Total income									48,369	65,979	22,625
Expenses
Interest expense									1,675	1,825	1,737
Salaries and benefits									9,790	11,238	11,388
Professional fees									951	1,465	2,534
Other expenses									10,059	13,655	13,173
Total expenses									22,475	28,183	28,832
Income before income tax									25,894	37,796	(6,207)
Income tax (benefit)									(2,849)	(3,377)	(3,069)
Income (loss) before equity in undistributed income of subsidiaries									28,743	41,173	(3,138)
Equity in undistributed income (loss) of subsidiaries									(2,398)	(13,915)	26,951
Net income									$ 26,345	$ 27,258	$ 23,813