XML 150 R134.htm IDEA: XBRL DOCUMENT
v3.8.0.1

GOODWILL AND OTHER INTANGIBLES - Gross Amount and Accumulated Amortization of Other Intangible Assets (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2012 | Jun. 30, 2012
Finite Lived Intangible Assets [Line Items] |  |  |  |  |  |
Gross amount |  |  |  |  |  | $ 24,500
Core Deposits [Member] |  |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |  |
Gross amount |  |  | $ 51,664 | $ 51,664 |  |
Accumulated amortization | [1] |  | (46,186) | (44,466) |  |
Finite Lived Intangible Assets Net |  |  | $ 5,478 | $ 7,198 |  |
Remaining amortization period |  |  | 7 years | 8 years 1 month 6 days |  |
Purchased Credit Card Relationship Intangible [Member] |  |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |  |
Gross amount |  |  | $ 24,465 | $ 24,465 |  |
Finite lived Intangible Assets Acquired 1 |  |  |  |  | $ 24,500 |
Accumulated amortization | [2] |  | (16,465) | (13,934) |  |
Finite Lived Intangible Assets Net |  |  | $ 8,000 | $ 10,531 |  |
Remaining amortization period |  |  | 3 years 10 months 24 days | 5 years |  |
Customer Related Intangible Assets Member |  |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |  |
Gross amount |  |  | $ 1,067 | $ 1,067 |  |
Finite lived Intangible Assets Acquired 1 |  | $ 1,100 |  |  |  |
Accumulated amortization | [3] |  | (292) | (140) |  |
Finite Lived Intangible Assets Net |  |  | $ 775 | $ 927 |  |
Remaining amortization period |  |  | 5 years | 6 years 1 month 6 days |  |
[1] | (1) For the years ended December 31, 2017 and 2016, the amortization expense of core deposit intangibles amounted to $1.7 million and $2.0 million, respectively.
[2] | (2) For the years ended December 31, 2017 and 2016, the amortization expense of the purchased credit card relationship intangible amounted to $2.5 million and $2.8 million, respectively.
[3] | (3) For the years ended December 31, 2017 and 2016, the amortization expense of the insurance customer relationship intangible amounted to $0.2 million and $0.1 million, respectively.

X
- Definition Accumulated amount of 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
Name: | us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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
Name: | us-gaap_FiniteLivedIntangibleAssetsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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
Name: | us-gaap_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount after 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
Name: | us-gaap_FiniteLivedIntangibleAssetsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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
Name: | us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References No definition available. + Details
Name: | us-gaap_FinitelivedIntangibleAssetsAcquired1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | fbp_IntangibleAssetsByClassOrTypeAxis=us-gaap_CoreDepositsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | fbp_IntangibleAssetsByClassOrTypeAxis=fbp_PurchasedCreditCardRelationshipIntangibleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | fbp_IntangibleAssetsByClassOrTypeAxis=us-gaap_CustomerRelatedIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |