XML 64 R51.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Reinsurance and Loss and Loss Adjustment Expenses - Additional Information (Detail) (USD $) | 5 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 Reinsurer | Sep. 30, 2014
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items] |  |
Percentage of reinsurance |  | 100.00%
Ceded rate of premiums under insurance program | 100.00% | 100.00%
Premiums written net |  | $ 315,563,000
The reinsurance recoverable | 23,200,000 | 23,200,000
Number of reinsurers | 3 |
Reserve for losses and loss adjustment expense | 0 | 0
Homeowners [Member] |  |
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items] |  |
Reinsurance recoverable, incurred but not reported claims | 200,000 | 200,000
Private Passenger Auto Liability [Member] |  |
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items] |  |
Reinsurance recoverable, incurred but not reported claims | 200,000 | 200,000
WNFIC [Member] |  |
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items] |  |
Ceded rate of premiums under insurance program | 100.00% | 100.00%
Expenses and allowance rate received in premiums | 30.70% | 30.70%
Premiums written net | 315,100,000 |
WNFIC [Member] | Quota Share Agreement [Member] |  |
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items] |  |
Effective cedes rate under quota share agreement | 100.00% | 100.00%
Commission rate, percent of ceded written premiums | 30.50% | 30.50%
WNFIC [Member] | Ceded Credit Risk, Concentrated Credit Risk [Member] | Quota Share Agreement [Member] |  |
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items] |  |
Ceded amount | 500,000 | 500,000
Homeowners and Private Passenger [Member] |  |
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items] |  |
Ceded rate of premiums under insurance program | 100.00% | 100.00%
Ceded unpaid loss | 0 | 0
Ceded loss adjustment expenses |  | $ 300,000

X
- Definition Ceded loss adjustment expenses. + References No definition available. + Details
Name: | bro_CededLossAdjustmentExpenses
Namespace Prefix: | bro_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of reinsurers. + References No definition available. + Details
Name: | bro_NumberOfReinsurers
Namespace Prefix: | bro_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of ceded premiums. + References No definition available. + Details
Name: | bro_PercentageOfCededPremiums
Namespace Prefix: | bro_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of flood premiums ceded. + References No definition available. + Details
Name: | bro_PercentageOfFloodPremiumsCeded
Namespace Prefix: | bro_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage Of Reinsurance + References No definition available. + Details
Name: | bro_PercentageOfReinsurance
Namespace Prefix: | bro_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of reinsurance recoverables allowance. + References No definition available. + Details
Name: | bro_PercentageOfReinsuranceRecoverablesAllowance
Namespace Prefix: | bro_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Reinsurance percentage of ceding commission. + References No definition available. + Details
Name: | bro_ReinsurancePercentageOfCedingCommission
Namespace Prefix: | bro_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Reserve For Losses And Loss Adjustment Expenses For Reinsurance Liability + References No definition available. + Details
Name: | bro_ReserveForLossesAndLossAdjustmentExpensesForReinsuranceLiability
Namespace Prefix: | bro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of written premiums ceded to other entities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 17 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -Subparagraph (b),(c)(2) -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 + Details
Name: | us-gaap_CededPremiumsWritten
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Estimated amount after valuation allowance of reinsurance recoverables, due from reinsurers for incurred claims not yet reported, and claims settlement expenses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 310 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6485522&loc=d3e21412-158489 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 310 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6485522&loc=d3e21409-158489 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 6 -Article 7 + Details
Name: | us-gaap_ReinsuranceReceivablesIncurredButNotReportedClaims
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after valuation allowance recoverable including premium paid under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, premium paid, policy benefits and policy reserves. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 6 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6480758&loc=d3e6824-158387 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.(a),6) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_ReinsuranceRecoverables
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after valuation allowance of reinsurance recoverables for losses reported to the ceding insurer but not yet paid, amounts expected of incurred losses and settlement expenses, which have not yet been reported to the ceding insurer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 310 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6485522&loc=d3e21412-158489 + Details
Name: | us-gaap_ReinsuranceRecoverablesOnUnpaidLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before valuation allowance of reinsurance recoverables for losses reported to the ceding insurer but not yet paid, and for amounts expected based upon statistical projections and other measures of incurred losses and loss settlement expenses which have not yet been reported to the ceding insurer. + References No definition available. + Details
Name: | us-gaap_ReinsuranceRecoverablesOnUnpaidLossesGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant