FAIR VALUE MEASUREMENT (Details) - USD ($)	6 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	$ 235,233,000	$ 183,351,000
Assets Recorded at Fair Value on a Non-Recurring Basis [Abstract]
Loan servicing rights	1,785,000	2,041,000
Recurring [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	235,233,000	183,351,000
Recurring [Member] | Level 1 [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	26,468,000	20,186,000
Recurring [Member] | Level 2 [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	208,765,000	163,165,000
Recurring [Member] | Level 3 [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	0	0
Non-recurring [Member]
Assets Recorded at Fair Value on a Non-Recurring Basis [Abstract]
Impaired loans	46,000	841,000
Loan servicing rights	1,785,000
Total assets at fair value	1,831,000	841,000
Non-recurring [Member] | Level 1 [Member]
Assets Recorded at Fair Value on a Non-Recurring Basis [Abstract]
Impaired loans	0	0
Loan servicing rights	0
Total assets at fair value	0	0
Non-recurring [Member] | Level 2 [Member]
Assets Recorded at Fair Value on a Non-Recurring Basis [Abstract]
Impaired loans	0	0
Loan servicing rights	0
Total assets at fair value	0	0
Non-recurring [Member] | Level 3 [Member]
Assets Recorded at Fair Value on a Non-Recurring Basis [Abstract]
Impaired loans	46,000	841,000
Loan servicing rights	1,785,000
Total assets at fair value	$ 1,831,000	841,000
Impaired Loans [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Selling and commission costs	6.00%
Impaired Loans [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Selling and commission costs	7.00%
U.S. Treasury Securities [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	$ 26,468,000	20,186,000
U.S. Treasury Securities [Member] | Recurring [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	26,468,000	20,186,000
U.S. Treasury Securities [Member] | Recurring [Member] | Level 1 [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	26,468,000	20,186,000
U.S. Treasury Securities [Member] | Recurring [Member] | Level 2 [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	0	0
U.S. Treasury Securities [Member] | Recurring [Member] | Level 3 [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	0	0
Securities of U.S. Government Agencies and Corporations [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	30,733,000	33,997,000
Securities of U.S. Government Agencies and Corporations [Member] | Recurring [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	30,733,000	33,997,000
Securities of U.S. Government Agencies and Corporations [Member] | Recurring [Member] | Level 1 [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	0	0
Securities of U.S. Government Agencies and Corporations [Member] | Recurring [Member] | Level 2 [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	30,733,000	33,997,000
Securities of U.S. Government Agencies and Corporations [Member] | Recurring [Member] | Level 3 [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	0	0
Obligations of States and Political Subdivisions [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	24,181,000	25,709,000
Obligations of States and Political Subdivisions [Member] | Recurring [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	24,181,000	25,709,000
Obligations of States and Political Subdivisions [Member] | Recurring [Member] | Level 1 [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	0	0
Obligations of States and Political Subdivisions [Member] | Recurring [Member] | Level 2 [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	24,181,000	25,709,000
Obligations of States and Political Subdivisions [Member] | Recurring [Member] | Level 3 [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	0	0
Collateralized Mortgage Obligations [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	18,949,000	10,932,000
Collateralized Mortgage Obligations [Member] | Recurring [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	18,949,000	10,932,000
Collateralized Mortgage Obligations [Member] | Recurring [Member] | Level 1 [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	0	0
Collateralized Mortgage Obligations [Member] | Recurring [Member] | Level 2 [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	18,949,000	10,932,000
Collateralized Mortgage Obligations [Member] | Recurring [Member] | Level 3 [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	0	0
Mortgage-backed Securities [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	134,902,000	92,527,000
Mortgage-backed Securities [Member] | Recurring [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	134,902,000	92,527,000
Mortgage-backed Securities [Member] | Recurring [Member] | Level 1 [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	0	0
Mortgage-backed Securities [Member] | Recurring [Member] | Level 2 [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	134,902,000	92,527,000
Mortgage-backed Securities [Member] | Recurring [Member] | Level 3 [Member]
Assets Recorded at Fair Value on a Recurring Basis [Abstract]
Total investments at fair value	$ 0	$ 0