MORTGAGE SERVICING RIGHTS - Changes in mortgage servicing rights (Details) - Changes in mortgage servicing rights - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Mortgage Servicing Rights
Balance, beginning of period		$ 486	$ 694
Originated		20	62
Amortization (1)	[1]	(51)	(119)
Balance, end of period		455	$ 637
Valuation Allowance
Balance, beginning of period		(3)
Increase in impairment reserve (1)		(20)	$ (9)
Balance, end of period		(23)	(9)
Mortgage servicing rights, net		$ 432	$ 628

[1] (1) Amortization expense and changes in the impairment reserve are recorded in mortgage servicing, net, in the consolidated statements of income.