LOANS - Recorded investment and number of modifications for TDRs (Details) $ in Thousands	Dec. 31, 2016 USD ($) Integer	Dec. 31, 2015 USD ($) Integer
Residential 1-4 family
Quanity, TDRs with Modifications that Subsequently Defaulted | Integer	1	2
Balance, TDRs with Modifications that Subsequently Defaulted | $	$ 52	$ 38
Residential 5+ multifamily
Quanity, TDRs with Modifications that Subsequently Defaulted | Integer	1
Balance, TDRs with Modifications that Subsequently Defaulted | $	$ 163
Commercial real estate
Quanity, TDRs with Modifications that Subsequently Defaulted | Integer	1	1
Balance, TDRs with Modifications that Subsequently Defaulted | $	$ 1,793
Total
Quanity, TDRs with Modifications that Subsequently Defaulted | Integer	3	3
Balance, TDRs with Modifications that Subsequently Defaulted | $	$ 2,008	$ 38