SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Summary of securities sold under agreements to repurchase [Abstract]
Excess collateral held		$ (1,798,000)
Gross amount of recognized liabilities for repurchase agreements	$ 0	10,000,000
Mortgage-backed securities, residential
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase		11,798,000
Overnight and Continuous
Summary of securities sold under agreements to repurchase [Abstract]
Excess collateral held		0
Gross amount of recognized liabilities for repurchase agreements		0
Overnight and Continuous | Mortgage-backed securities, residential
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase		0
Up to 1 Year
Summary of securities sold under agreements to repurchase [Abstract]
Excess collateral held		(1,798,000)
Gross amount of recognized liabilities for repurchase agreements		10,000,000
Up to 1 Year | Mortgage-backed securities, residential
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase		11,798,000
1 - 3 Years
Summary of securities sold under agreements to repurchase [Abstract]
Excess collateral held		0
Gross amount of recognized liabilities for repurchase agreements		0
1 - 3 Years | Mortgage-backed securities, residential
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase		0
3 Years
Summary of securities sold under agreements to repurchase [Abstract]
Excess collateral held		0
Gross amount of recognized liabilities for repurchase agreements		0
3 Years | Mortgage-backed securities, residential
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase		$ 0