INVESTMENT SECURITIES - Summary of Investments (Details) $ in Thousands	Mar. 31, 2017 USD ($) security	Dec. 31, 2016 USD ($) security
Available for sale:
Amortized cost	$ 43,811	$ 45,436
Gross unrealized gains	280	235
Gross unrealized losses	486	508
Other-than- temporary impairments in AOCI	299	309
Fair value	43,306	44,854
Held to maturity:
Amortized cost	2,235	2,224
Fair value	2,433	2,411
Fair value of securities pledged to secure public deposits	22,000	23,100
Available-for-sale [Abstract]
Less Than 12 Months, Fair Value	26,832	17,519
12 Months or Greater, Fair value	995	1,077
Total, Fair Value	27,827	18,596
Less Than 12 Months, Unrealized Losses	460	484
12 Months or Greater, Unrealized Losses	26	24
Total, Unrealized Losses	486	$ 508
Collateralized Debt Obligations [Abstract]
Number of securities issued \| security		10
Changes in the credit loss component of credit-impaired debt securities [Roll Forward]
Credit loss component of credit-impaired debt securities	171
States and political subdivisions
Held to maturity:
Amortized cost	2,235	$ 2,224
Gross unrealized gains	198	187
Gross unrealized losses	0	0
Other-than- temporary impairments in AOCI	0	0
Fair value	2,433	2,411
Corporate debt obligations
Available for sale:
Amortized cost	1,000	1,000
Gross unrealized gains	17	11
Gross unrealized losses	0	0
Other-than- temporary impairments in AOCI	0	0
Fair value	1,017	1,011
Residential mortgage-backed securities
Available for sale:
Amortized cost	41,944	43,530
Gross unrealized gains	258	218
Gross unrealized losses	486	508
Other-than- temporary impairments in AOCI	0	0
Fair value	41,716	43,240
Available-for-sale [Abstract]
Less Than 12 Months, Fair Value	26,832	17,519
12 Months or Greater, Fair value	995	1,077
Total, Fair Value	27,827	18,596
Less Than 12 Months, Unrealized Losses	460	484
12 Months or Greater, Unrealized Losses	26	24
Total, Unrealized Losses	$ 486	508
Collateralized Debt Obligations [Abstract]
Number of securities issued \| security	11
Collateralized mortgage obligations
Available for sale:
Amortized cost	$ 140	160
Gross unrealized gains	5	6
Gross unrealized losses	0	0
Other-than- temporary impairments in AOCI	0	0
Fair value	145	166
Collateralized debt obligations
Available for sale:
Amortized cost	727	746
Gross unrealized gains	0	0
Gross unrealized losses	0	0
Other-than- temporary impairments in AOCI	299	309
Fair value	$ 428	$ 437

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