LOANS - Covered and noncovered loans (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Covered and noncovered loans
Total loans	$ 3,184,063	$ 2,319,976
Non-PCI loans
Covered and noncovered loans
Total loans	3,154,055	2,291,720
PCI loans
Covered and noncovered loans
Total loans	30,008	28,256
Customer outstanding balances	45,400	34,600
Commercial loan portfolio
Covered and noncovered loans
Non-covered loans	2,217,696	1,604,767
Commercial loan portfolio \| Non-PCI loans
Covered and noncovered loans
Non-covered loans	2,196,456	1,583,380
Total loans	2,196,456	1,583,380
Commercial loan portfolio \| PCI loans
Covered and noncovered loans
Non-covered loans	21,240	21,387
Other loan portfolio \| Non-PCI loans
Covered and noncovered loans
Total loans	957,599	708,340
Commercial \| Commercial loan portfolio
Covered and noncovered loans
Non-covered loans	571,111	457,827
Total loans	571,111	457,827
Commercial \| Commercial loan portfolio \| Non-PCI loans
Covered and noncovered loans
Non-covered loans	568,855	454,310
Total loans	568,855	454,310
Commercial \| Commercial loan portfolio \| PCI loans
Covered and noncovered loans
Non-covered loans	2,256	3,517
Commercial real estate \| Commercial loan portfolio
Covered and noncovered loans
Non-covered loans	1,470,487	969,615
Total loans	1,470,487	969,615
Commercial real estate \| Commercial loan portfolio \| Non-PCI loans
Covered and noncovered loans
Non-covered loans	1,456,072	963,895
Total loans	1,456,072	963,895
Commercial real estate \| Commercial loan portfolio \| PCI loans
Covered and noncovered loans
Non-covered loans	14,415	5,720
Construction and land development \| Commercial loan portfolio
Covered and noncovered loans
Non-covered loans	176,098	177,325
Total loans	176,098	177,325
Construction and land development \| Commercial loan portfolio \| Non-PCI loans
Covered and noncovered loans
Non-covered loans	171,529	165,175
Total loans	171,529	165,175
Construction and land development \| Commercial loan portfolio \| PCI loans
Covered and noncovered loans
Non-covered loans	4,569	12,150
Residential real estate \| Other loan portfolio
Covered and noncovered loans
Non-covered loans	428,464	253,713
Total loans	428,464	253,713
Residential real estate \| Other loan portfolio \| Non-PCI loans
Covered and noncovered loans
Non-covered loans	419,905	247,156
Total loans	419,905	247,156
Residential real estate \| Other loan portfolio \| PCI loans
Covered and noncovered loans
Non-covered loans	8,559	6,557
Consumer \| Other loan portfolio
Covered and noncovered loans
Non-covered loans	335,902	270,017
Total loans	335,902	270,017
Consumer \| Other loan portfolio \| Non-PCI loans
Covered and noncovered loans
Non-covered loans	335,693	269,705
Total loans	335,693	269,705
Consumer \| Other loan portfolio \| PCI loans
Covered and noncovered loans
Non-covered loans	209	312
Lease financing \| Other loan portfolio
Covered and noncovered loans
Non-covered loans	202,001	191,479
Total loans	202,001	191,479
Lease financing \| Other loan portfolio \| Non-PCI loans
Covered and noncovered loans
Non-covered loans	202,001	191,479
Total loans	$ 202,001	$ 191,479

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. Includes loans and leases covered under loss sharing agreements.

No definition available.

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- Definition

The outstanding customer balance of loans and leases receivables.

+ References

No definition available.

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+ References

No definition available.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

+ 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=65884687&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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