FINANCIAL INSTRUMENTS WITH OFF BALANCE SHEET RISK, Notional Amounts (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Commitments to Extend Credit [Member]
Financial Instruments Representing Credit Risk [Line Items]
Notional Amount	$ 1,769,135	$ 1,672,424
Commitments to Fund Mortgages [Member]
Financial Instruments Representing Credit Risk [Line Items]
Notional Amount	22,242	36,795
Commitments to Sell Mortgages to Investors [Member]
Financial Instruments Representing Credit Risk [Line Items]
Notional Amount	15,349	51,125
Letters of Credit [Member]
Financial Instruments Representing Credit Risk [Line Items]
Notional Amount	$ 142,246	$ 127,435