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ALLOWANCE FOR LOAN LOSSES - Risk Grading (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Risk Grading |  |
Risk rating of loans | $ 2,317,789 | $ 2,160,046
Pass |  |
Risk Grading |  |
Risk rating of loans | 2,255,908 | 2,083,745
Special Mention |  |
Risk Grading |  |
Risk rating of loans | 19,571 | 19,328
Substandard |  |
Risk Grading |  |
Risk rating of loans | 42,310 | 56,973
Commercial and industrial |  |
Risk Grading |  |
Risk rating of loans | 559,363 | 511,554
Commercial and industrial | Pass |  |
Risk Grading |  |
Risk rating of loans | 535,589 | 483,399
Commercial and industrial | Special Mention |  |
Risk Grading |  |
Risk rating of loans | 8,403 | 2,207
Commercial and industrial | Substandard |  |
Risk Grading |  |
Risk rating of loans | 15,371 | 25,948
Commercial real estate |  |
Risk Grading |  |
Risk rating of loans | 738,293 | 697,794
Commercial real estate | Pass |  |
Risk Grading |  |
Risk rating of loans | 722,503 | 674,445
Commercial real estate | Special Mention |  |
Risk Grading |  |
Risk rating of loans | 2,951 | 7,731
Commercial real estate | Substandard |  |
Risk Grading |  |
Risk rating of loans | 12,839 | 15,618
Construction and development |  |
Risk Grading |  |
Risk rating of loans | 449,211 | 491,626
Construction and development | Pass |  |
Risk Grading |  |
Risk rating of loans | 448,124 | 485,823
Construction and development | Special Mention |  |
Risk Grading |  |
Risk rating of loans | 565 | 933
Construction and development | Substandard |  |
Risk Grading |  |
Risk rating of loans | 522 | 4,870
One to four family residential |  |
Risk Grading |  |
Risk rating of loans | 258,584 | 236,882
One to four family residential | Pass |  |
Risk Grading |  |
Risk rating of loans | 252,317 | 234,473
One to four family residential | Special Mention |  |
Risk Grading |  |
Risk rating of loans |  | 797
One to four family residential | Substandard |  |
Risk Grading |  |
Risk rating of loans | 6,267 | 1,612
Multi‑family residential |  |
Risk Grading |  |
Risk rating of loans | 220,305 | 133,210
Multi‑family residential | Pass |  |
Risk Grading |  |
Risk rating of loans | 212,899 | 125,553
Multi‑family residential | Special Mention |  |
Risk Grading |  |
Risk rating of loans | 7,406 | 7,650
Multi‑family residential | Substandard |  |
Risk Grading |  |
Risk rating of loans |  | 7
Consumer |  |
Risk Grading |  |
Risk rating of loans | 40,433 | 39,694
Consumer | Pass |  |
Risk Grading |  |
Risk rating of loans | 40,144 | 39,684
Consumer | Special Mention |  |
Risk Grading |  |
Risk rating of loans | 246 | 10
Consumer | Substandard |  |
Risk Grading |  |
Risk rating of loans | 43 |
Agriculture |  |
Risk Grading |  |
Risk rating of loans | 11,256 | 11,106
Agriculture | Pass |  |
Risk Grading |  |
Risk rating of loans | 11,223 | 11,033
Agriculture | Substandard |  |
Risk Grading |  |
Risk rating of loans | 33 | 73
Other |  |
Risk Grading |  |
Risk rating of loans | 40,344 | 38,180
Other | Pass |  |
Risk Grading |  |
Risk rating of loans | 33,109 | 29,335
Other | Substandard |  |
Risk Grading |  |
Risk rating of loans | $ 7,235 | $ 8,845

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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 + Details
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