LOANS HELD FOR INVESTMENT, Credit Quality Indicators (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	$ 662,020	$ 568,656
Total loans held for investment	664,961	570,026
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	650,549	554,191
Total loans held for investment	650,549	554,191
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	4,208	9,364
Total loans held for investment	4,208	9,364
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	7,263	5,101
Total loans held for investment	10,204	6,471
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	0	0
Total loans held for investment	0	0
Government Guarantee [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	2,941	1,370
Government Guarantee [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	0	0
Government Guarantee [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	0	0
Government Guarantee [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	2,941	1,370
Government Guarantee [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	0	0
Manufactured Housing [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	216,572	194,222
Total loans held for investment	216,572	194,222
Manufactured Housing [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	214,559	191,784
Manufactured Housing [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	0	0
Manufactured Housing [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	2,013	2,438
Manufactured Housing [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	0	0
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	343,771	272,142
Commercial Real Estate [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	268,526	214,389
Total loans held for investment	268,527	214,389
Commercial Real Estate [Member] | Commercial Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	268,399	212,259
Commercial Real Estate [Member] | Commercial Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	0	1,988
Commercial Real Estate [Member] | Commercial Real Estate [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	127	142
Commercial Real Estate [Member] | Commercial Real Estate [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	0	0
Commercial Real Estate [Member] | SBA 504 1st Trust Deed [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	27,485	23,879
Total loans held for investment	27,485	23,879
Commercial Real Estate [Member] | SBA 504 1st Trust Deed [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	26,798	22,664
Commercial Real Estate [Member] | SBA 504 1st Trust Deed [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	0	0
Commercial Real Estate [Member] | SBA 504 1st Trust Deed [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	687	1,215
Commercial Real Estate [Member] | SBA 504 1st Trust Deed [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	0	0
Commercial Real Estate [Member] | Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	5,010	3,167
Total loans held for investment	5,010	3,167
Commercial Real Estate [Member] | Land [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	5,010	3,167
Commercial Real Estate [Member] | Land [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	0	0
Commercial Real Estate [Member] | Land [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	0	0
Commercial Real Estate [Member] | Land [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	0	0
Commercial Real Estate [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	42,750	30,707
Total loans held for investment	42,749	30,707
Commercial Real Estate [Member] | Construction [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	39,535	30,707
Commercial Real Estate [Member] | Construction [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	3,215	0
Commercial Real Estate [Member] | Construction [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	0	0
Commercial Real Estate [Member] | Construction [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	0	0
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	74,689	70,369
Total loans held for investment	76,250	70,369
Commercial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	70,181	63,002
Commercial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	889	7,268
Commercial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	3,619	99
Commercial [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	0	0
SBA [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	7,276	8,794
Total loans held for investment	8,656	10,164
SBA [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	6,759	8,297
SBA [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	104	108
SBA [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	413	389
SBA [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	0	0
HELOC [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	9,656	10,292
Total loans held for investment	9,656	10,292
HELOC [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	9,437	9,671
HELOC [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	0	0
HELOC [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	219	621
HELOC [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	0	0
Single Family Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	10,022	12,750
Total loans held for investment	10,022	12,750
Single Family Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	9,837	12,553
Single Family Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	0	0
Single Family Real Estate [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	185	197
Single Family Real Estate [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	0	0
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	34	87
Total loans held for investment	34	87
Consumer [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	34	87
Consumer [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	0	0
Consumer [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	0	0
Consumer [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment, net	$ 0	$ 0