BASIS OF PRESENTATION, NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING AND REPORTING POLICIES (Details) $ / shares in Units, $ in Thousands		9 Months Ended
	Sep. 20, 2017 shares	Sep. 30, 2017 USD ($) location segment $ / shares shares	Sep. 30, 2016 USD ($)	Sep. 19, 2017 $ / shares shares	Sep. 18, 2017 $ / shares shares	Dec. 31, 2016 $ / shares shares
Number of locations | location		37
Preferred stock par value | $ / shares		$ 0.01		$ 0.01		$ 0.01
Common stock par value | $ / shares		$ 0.01		$ 0.01		$ 0.01
Preferred stock shares authorized | shares		10,000,000		10,000,000		10,000,000
Common stock shares authorized | shares		90,000,000		90,000,000		90,000,000
Stock split ratio	2
Additional shares received | shares	1
Number of reportable segment | segment		1
Cash flow information:
Cash paid for taxes | $		$ 9,515	$ 8,593
Real estate acquired through foreclosure | $		583	2,296
Previously reported
Preferred stock par value | $ / shares					$ 10.00
Common stock par value | $ / shares					$ 10.00
Preferred stock shares authorized | shares					1,000,000
Common stock shares authorized | shares					15,000,000
Notes payable
Cash flow information:
Cash paid for interest | $		780	804
Junior subordinated debt
Cash flow information:
Cash paid for interest | $		230	189
Deposits and repurchase agreements
Cash flow information:
Cash paid for interest | $		$ 5,718	$ 5,163