LOANS: (Details 1) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Total loans receivable on nonaccrual status	$ 6,442	$ 7,564
Real Estate [Member]
Total loans receivable on nonaccrual status	6,426	6,448
Consumer Installment Loans
Total loans receivable on nonaccrual status	16	48
Commercial Real Estate [Member]
Total loans receivable on nonaccrual status		1,065
Commercial [Member] | Real Estate [Member]
Total loans receivable on nonaccrual status	1,832	2,035
Construction and Land Development | Real Estate [Member]
Total loans receivable on nonaccrual status	196	470
Residential 1-4 Family | Real Estate [Member]
Total loans receivable on nonaccrual status	3,265	2,991
Multifamily | Real Estate [Member]
Total loans receivable on nonaccrual status	81	152
Farmland | Real Estate [Member]
Total loans receivable on nonaccrual status	1,052	800
Agriculture
Total loans receivable on nonaccrual status		$ 3