LOANS AND ALLOWANCE FOR LOAN LOSSES LOANS AND ALLOWANCE FOR LOAN LOSSES- Contractual Obligations Due From Directors, Executive Officers, and Their Interests (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Loans and Leases Receivable, Related Parties [Roll Forward]
Proceeds from sale of loans held-for-sale, gross	$ 2,076,000	$ 2,595,000	$ 20,497,000
Gain (loss) on sales of loans, net	0
Commercial and industrial
Loans and Leases Receivable, Related Parties [Roll Forward]
Loans receivable, fair value			7,698,000
Directors and Officers
Loans and Leases Receivable, Related Parties [Roll Forward]
Loans to directors and officers at beginning of period	26,437,000	29,999,000	30,910,000
Additions for new directors	5,850,000	1,232,000	0
Reductions for retirement of directors	(24,835,000)	(1,816,000)	0
New advances to directors and officers	1,092,000	8,000	1,741,000
Payoffs and principal reductions	(1,145,000)	(2,986,000)	(2,652,000)
Loans to directors and officers at end of period	$ 7,398,000	$ 26,437,000	$ 29,999,000