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GOODWILL AND OTHER INTANGIBLES - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Jun. 30, 2012
Finite Lived Intangible Assets [Line Items] |  |  |  |
Goodwill | $ 28,100 | $ 28,100 |  |
Purchase credit card relationship intangible amount |  |  |  | $ 24,500
Amortization expense | 4,403 | 4,896 | $ 5,143 |
Business Combination Finite Lived Intangible Assets Net | 3,700 | 4,400 |  |
Purchased Credit Card Relationship Intangible [Member] |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |
Purchase credit card relationship intangible amount | $ 24,465 | $ 24,465 |  |
Amortization period of purchased credit card relationship intangible | 3 years 10 months 24 days | 5 years |  |
Amortization expense | $ 2,500 | $ 2,800 |  |
Core Deposits [Member] |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |
Purchase credit card relationship intangible amount | $ 51,664 | $ 51,664 |  |
Amortization period of purchased credit card relationship intangible | 7 years | 8 years 1 month 6 days |  |
Amortization expense | $ 1,700 | $ 2,000 |  |
Customer Related Intangible Assets Member |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |
Purchase credit card relationship intangible amount | $ 1,067 | $ 1,067 |  |
Amortization period of purchased credit card relationship intangible | 5 years | 6 years 1 month 6 days |  |
Amortization expense | $ 200 | $ 100 |  |

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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. This item is specifically related to intangible assets acquired as result of a business combination. + References No definition available. + Details
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 + Details
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- Details
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