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LOAN PERFORMANCE - Aging analysis of loan past due (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Aging analysis |  |
Total past due | $ 8,971 | $ 6,857
Total current loans | 2,308,818 | 2,153,189
Total loans | 2,317,789 | 2,160,046
30 to 59 days past due |  |
Aging analysis |  |
Total past due | 2,490 | 1,129
60 to 89 days past due |  |
Aging analysis |  |
Total past due | 1,937 | 833
90 days or greater past due |  |
Aging analysis |  |
Total past due | 4,544 | 4,895
Commercial and industrial |  |
Aging analysis |  |
Total past due | 4,549 | 2,719
Total current loans | 554,814 | 508,835
Total loans | 559,363 | 511,554
Commercial and industrial | 30 to 59 days past due |  |
Aging analysis |  |
Total past due | 943 | 378
Commercial and industrial | 60 to 89 days past due |  |
Aging analysis |  |
Total past due | 1,071 | 68
Commercial and industrial | 90 days or greater past due |  |
Aging analysis |  |
Total past due | 2,535 | 2,273
Commercial real estate |  |
Aging analysis |  |
Total past due | 3,044 | 2,292
Total current loans | 735,249 | 695,502
Total loans | 738,293 | 697,794
Commercial real estate | 30 to 59 days past due |  |
Aging analysis |  |
Total past due | 337 | 352
Commercial real estate | 60 to 89 days past due |  |
Aging analysis |  |
Total past due | 841 | 75
Commercial real estate | 90 days or greater past due |  |
Aging analysis |  |
Total past due | 1,866 | 1,865
Construction and development |  |
Aging analysis |  |
Total past due | 400 | 19
Total current loans | 448,811 | 491,607
Total loans | 449,211 | 491,626
Construction and development | 30 to 59 days past due |  |
Aging analysis |  |
Total past due | 400 | 19
One to four family residential |  |
Aging analysis |  |
Total past due | 950 | 1,822
Total current loans | 257,634 | 235,060
Total loans | 258,584 | 236,882
One to four family residential | 30 to 59 days past due |  |
Aging analysis |  |
Total past due | 807 | 377
One to four family residential | 60 to 89 days past due |  |
Aging analysis |  |
Total past due |  | 688
One to four family residential | 90 days or greater past due |  |
Aging analysis |  |
Total past due | 143 | 757
Multi‑family residential |  |
Aging analysis |  |
Total current loans | 220,305 | 133,210
Total loans | 220,305 | 133,210
Consumer |  |
Aging analysis |  |
Total past due | 28 |
Total current loans | 40,405 | 39,694
Total loans | 40,433 | 39,694
Consumer | 30 to 59 days past due |  |
Aging analysis |  |
Total past due | 3 |
Consumer | 60 to 89 days past due |  |
Aging analysis |  |
Total past due | 25 |
Agriculture |  |
Aging analysis |  |
Total current loans | 11,256 | 11,106
Total loans | 11,256 | 11,106
Other |  |
Aging analysis |  |
Total past due |  | 5
Total current loans | 40,344 | 38,175
Total loans | $ 40,344 | 38,180
Other | 30 to 59 days past due |  |
Aging analysis |  |
Total past due |  | 3
Other | 60 to 89 days past due |  |
Aging analysis |  |
Total past due |  | $ 2

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