REPURCHASE AGREEMENTS (Details) - USD ($) $ in Thousands		Jun. 30, 2016		Dec. 31, 2015
Assets Sold under Agreements to Repurchase [Line Items]
Certificates of Deposit, at Carrying Value		$ 915		$ 914
Securities Sold under Agreements to Repurchase		212,579	[1]	215,041
Overnight and Continuous
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase	[1]	182,549		184,989
Up to 30 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase	[1]	0		0
30 - 90 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase	[1]	25,000		0
Greater than 90 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase	[1]	5,030		30,052
Wholesale Customer
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		30,030		30,052
Wholesale Customer | Overnight and Continuous
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		0		0
Wholesale Customer | Up to 30 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		0		0
Wholesale Customer | 30 - 90 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		25,000		0
Wholesale Customer | Greater than 90 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		5,030		30,052
Wholesale Customer | Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		22,213		22,016
Wholesale Customer | Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises | Overnight and Continuous
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		0		0
Wholesale Customer | Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises | Up to 30 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		0		0
Wholesale Customer | Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises | 30 - 90 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		18,492		0
Wholesale Customer | Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises | Greater than 90 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		3,721		22,016
Wholesale Customer | Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		7,817		8,036
Wholesale Customer | Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises | Overnight and Continuous
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		0		0
Wholesale Customer | Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises | Up to 30 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		0		0
Wholesale Customer | Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises | 30 - 90 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		6,508		0
Wholesale Customer | Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises | Greater than 90 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		1,309		8,036
Retail Customers
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		182,549		184,989
Retail Customers | Overnight and Continuous
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		182,549		184,989
Retail Customers | Up to 30 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		0		0
Retail Customers | 30 - 90 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		0		0
Retail Customers | Greater than 90 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		0		0
Retail Customers | Obligations of states and political subdivisions
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		570		556
Retail Customers | Obligations of states and political subdivisions | Overnight and Continuous
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		570		556
Retail Customers | Obligations of states and political subdivisions | Up to 30 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		0		0
Retail Customers | Obligations of states and political subdivisions | 30 - 90 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		0		0
Retail Customers | Obligations of states and political subdivisions | Greater than 90 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		0		0
Retail Customers | Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		98,398		95,967
Retail Customers | Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises | Overnight and Continuous
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		98,398		95,967
Retail Customers | Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises | Up to 30 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		0		0
Retail Customers | Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises | 30 - 90 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		0		0
Retail Customers | Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises | Greater than 90 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		0		0
Retail Customers | Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		83,581		88,466
Retail Customers | Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises | Overnight and Continuous
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		83,581		88,466
Retail Customers | Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises | Up to 30 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		0		0
Retail Customers | Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises | 30 - 90 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		0		0
Retail Customers | Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises | Greater than 90 Days
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase		$ 0		$ 0

[1] Total repurchase agreements are presented within other borrowed funds on the consolidated statements of condition.