LOANS HELD FOR INVESTMENT, Impaired Loans by Class of Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Impaired financing receivable recorded investment net [Abstract]
Impaired loans	$ 17,552	$ 17,543
Manufactured Housing [Member]
Impaired financing receivable recorded investment net [Abstract]
Impaired loans	8,458	8,911
Commercial Real Estate [Member] | Commercial Real Estate [Member]
Impaired financing receivable recorded investment net [Abstract]
Impaired loans	127	142
Commercial Real Estate [Member] | SBA 504 1st Trust Deed [Member]
Impaired financing receivable recorded investment net [Abstract]
Impaired loans	447	970
Commercial Real Estate [Member] | Land [Member]
Impaired financing receivable recorded investment net [Abstract]
Impaired loans	0	0
Commercial Real Estate [Member] | Construction [Member]
Impaired financing receivable recorded investment net [Abstract]
Impaired loans	0	0
Commercial [Member]
Impaired financing receivable recorded investment net [Abstract]
Impaired loans	5,384	3,780
SBA [Member]
Impaired financing receivable recorded investment net [Abstract]
Impaired loans	728	1,137
HELOC [Member]
Impaired financing receivable recorded investment net [Abstract]
Impaired loans	219	373
Single Family Real Estate [Member]
Impaired financing receivable recorded investment net [Abstract]
Impaired loans	$ 2,189	$ 2,230