LOANS - Impaired Loans Individually Evaluated (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
With an allowance recorded:
Related Allowance	$ 9,170	$ 5,667
Total:
Recorded Investment	65,130	70,431
Unpaid Principal Balance	65,435	70,713
Commercial & industrial
With an allowance recorded:
Related Allowance	8,606	5,409
Total:
Recorded Investment	40,434	60,394
Unpaid Principal Balance	40,704	60,655
Real estate
With an allowance recorded:
Related Allowance	531	224
Total:
Recorded Investment	24,455	9,764
Unpaid Principal Balance	24,496	9,791
Consumer and other
With an allowance recorded:
Related Allowance	33	34
Total:
Recorded Investment	241	273
Unpaid Principal Balance	235	267
Originated
With no related allowance recorded:
Recorded Investment	28,848	36,028
Unpaid Principal Balance	29,037	36,208
With an allowance recorded:
Recorded Investment	29,014	20,087
Unpaid Principal Balance	29,107	20,168
Related Allowance	9,154	5,663
Total:
Recorded Investment	57,862	56,115
Unpaid Principal Balance	58,144	56,376
Originated | Commercial & industrial
With no related allowance recorded:
Recorded Investment	10,354	32,794
Unpaid Principal Balance	10,530	32,974
With an allowance recorded:
Recorded Investment	25,478	16,862
Unpaid Principal Balance	25,571	16,943
Related Allowance	8,594	5,409
Originated | Owner occupied commercial real estate
With an allowance recorded:
Recorded Investment	3,494
Unpaid Principal Balance	3,494
Related Allowance	531
Originated | Commercial real estate
With no related allowance recorded:
Recorded Investment	13,379
Unpaid Principal Balance	13,379
Originated | Construction, land & land development
With no related allowance recorded:
Recorded Investment	1,457	111
Unpaid Principal Balance	1,470	111
With an allowance recorded:
Recorded Investment		3,176
Unpaid Principal Balance		3,176
Related Allowance		224
Originated | Residential mortgage
With no related allowance recorded:
Recorded Investment	3,658	3,111
Unpaid Principal Balance	3,658	3,111
Originated | Consumer and other
With no related allowance recorded:
Recorded Investment		12
Unpaid Principal Balance		12
With an allowance recorded:
Recorded Investment	42	49
Unpaid Principal Balance	42	49
Related Allowance	29	30
Acquired
With no related allowance recorded:
Recorded Investment	7,153	14,312
Unpaid Principal Balance	7,175	14,333
With an allowance recorded:
Recorded Investment	115	4
Unpaid Principal Balance	116	4
Related Allowance	16	4
Total:
Recorded Investment	7,268	14,316
Unpaid Principal Balance	7,291	14,337
Acquired | Commercial & industrial
With no related allowance recorded:
Recorded Investment	4,491	10,738
Unpaid Principal Balance	4,491	10,738
With an allowance recorded:
Recorded Investment	111
Unpaid Principal Balance	112
Related Allowance	12
Acquired | Owner occupied commercial real estate
With no related allowance recorded:
Recorded Investment	1,671
Unpaid Principal Balance	1,696
With an allowance recorded:
Recorded Investment		1,886
Unpaid Principal Balance		1,910
Acquired | Commercial real estate
With no related allowance recorded:
Recorded Investment		312
Unpaid Principal Balance		312
Acquired | Construction, land & land development
With no related allowance recorded:
Recorded Investment	695
Unpaid Principal Balance	697
With an allowance recorded:
Recorded Investment		714
Unpaid Principal Balance		716
Acquired | Residential mortgage
With no related allowance recorded:
Recorded Investment	101	454
Unpaid Principal Balance	102	455
Acquired | Consumer and other
With no related allowance recorded:
Recorded Investment	195	208
Unpaid Principal Balance	189	202
With an allowance recorded:
Recorded Investment	4	4
Unpaid Principal Balance	4	4
Related Allowance	$ 4	$ 4