LOAN SERVICING LOAN SERVICING - MSR Activity (Details) - Mortgage Loan Servicing - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Servicing Assets at Fair Value [Line Items]
Unpaid principal balance	$ 584,440		$ 563,802
Mortgage servicing fees	358	$ 293
Servicing Asset at Fair Value, Amount [Roll Forward]
Balance at beginning of period before valuation allowance	5,027	4,284
Additions	367	395
Repayments	(84)	(129)
Amortization	(200)	(182)
Balance at end of period before valuation allowance	5,110	4,368
Valuation allowance at end of period	(53)	(255)
Balance at end of period after valuation allowance	$ 5,057	$ 4,113