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v2.4.1.9

Note 5 - Loans and Allowance for Credit Losses (Details) - Impaired Loans (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Contractual Principal Balance | $ 35,527 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance | $ 45,512 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance | $ 37,420 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
Recorded Investment With No Allowance | 19,773 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment | 17,272 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment | 20,454 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
Recorded Investment With Allowance | 13,238 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment | 26,992 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment | 15,491 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
Total Recorded Investment | 33,011 us-gaap_ImpairedFinancingReceivableRecordedInvestment | 44,264 us-gaap_ImpairedFinancingReceivableRecordedInvestment | 35,945 us-gaap_ImpairedFinancingReceivableRecordedInvestment
Related Allowance | 7,583 us-gaap_ImpairedFinancingReceivableRelatedAllowance | 7,888 us-gaap_ImpairedFinancingReceivableRelatedAllowance | 8,064 us-gaap_ImpairedFinancingReceivableRelatedAllowance
Commercial Loan [Member] | Year to Date [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment | 12,116 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_CommercialLoanMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 12,213 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_CommercialLoanMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 13,681 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_CommercialLoanMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember
Interest Income Recognized |  |  | 251 us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod / us-gaap_FinancialInstrumentAxis = us-gaap_CommercialLoanMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember
Commercial Loan [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Contractual Principal Balance | 13,080 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_FinancialInstrumentAxis = us-gaap_CommercialLoanMember | 17,646 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_FinancialInstrumentAxis = us-gaap_CommercialLoanMember | 14,075 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_FinancialInstrumentAxis = us-gaap_CommercialLoanMember
Recorded Investment With No Allowance | 1,464 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_CommercialLoanMember | 6,409 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_CommercialLoanMember | 1,603 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_CommercialLoanMember
Recorded Investment With Allowance | 9,793 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_CommercialLoanMember | 11,237 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_CommercialLoanMember | 11,372 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_CommercialLoanMember
Total Recorded Investment | 11,257 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_CommercialLoanMember | 17,646 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_CommercialLoanMember | 12,975 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_CommercialLoanMember
Related Allowance | 5,771 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_FinancialInstrumentAxis = us-gaap_CommercialLoanMember | 3,810 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_FinancialInstrumentAxis = us-gaap_CommercialLoanMember | 5,334 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_FinancialInstrumentAxis = us-gaap_CommercialLoanMember
Commercial Real Estate Investment [Member] | Year to Date [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment | 10,235 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateInvestmentMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 5,771 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateInvestmentMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 7,021 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateInvestmentMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember
Interest Income Recognized | 35 us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateInvestmentMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 35 us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateInvestmentMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 203 us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateInvestmentMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember
Commercial Real Estate Investment [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Contractual Principal Balance | 10,668 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateInvestmentMember | 6,016 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateInvestmentMember | 10,869 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateInvestmentMember
Recorded Investment With No Allowance | 8,753 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateInvestmentMember | 1,106 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateInvestmentMember | 8,952 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateInvestmentMember
Recorded Investment With Allowance | 1,222 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateInvestmentMember | 4,535 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateInvestmentMember | 1,542 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateInvestmentMember
Total Recorded Investment | 9,975 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateInvestmentMember | 5,641 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateInvestmentMember | 10,494 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateInvestmentMember
Related Allowance | 568 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateInvestmentMember | 732 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateInvestmentMember | 751 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateInvestmentMember
Commercial Real Estate Owner Occupied [Member] | Year to Date [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment | 1,878 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateOwnerOccupiedMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 6,388 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateOwnerOccupiedMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 3,986 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateOwnerOccupiedMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember
Interest Income Recognized |  |  | 6 us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateOwnerOccupiedMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember
Commercial Real Estate Owner Occupied [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Contractual Principal Balance | 1,867 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateOwnerOccupiedMember | 7,323 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateOwnerOccupiedMember | 1,889 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateOwnerOccupiedMember
Recorded Investment With No Allowance | 1,025 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateOwnerOccupiedMember | 4,191 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateOwnerOccupiedMember | 1,038 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateOwnerOccupiedMember
Recorded Investment With Allowance | 842 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateOwnerOccupiedMember | 3,132 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateOwnerOccupiedMember | 851 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateOwnerOccupiedMember
Total Recorded Investment | 1,867 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateOwnerOccupiedMember | 7,323 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateOwnerOccupiedMember | 1,889 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateOwnerOccupiedMember
Related Allowance | 400 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateOwnerOccupiedMember | 1,105 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateOwnerOccupiedMember | 577 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_FinancialInstrumentAxis = egbn_CommercialRealEstateOwnerOccupiedMember
Residential Mortgage [Member] | Year to Date [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment | 344 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_ResidentialMortgageMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 829 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_ResidentialMortgageMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 529 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_ResidentialMortgageMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember
Residential Mortgage [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Contractual Principal Balance | 342 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_FinancialInstrumentAxis = us-gaap_ResidentialMortgageMember | 771 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_FinancialInstrumentAxis = us-gaap_ResidentialMortgageMember | 346 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_FinancialInstrumentAxis = us-gaap_ResidentialMortgageMember
Recorded Investment With No Allowance | 342 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_ResidentialMortgageMember | 658 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_ResidentialMortgageMember | 346 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_ResidentialMortgageMember
Recorded Investment With Allowance |  | 113 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_ResidentialMortgageMember |
Total Recorded Investment | 342 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_ResidentialMortgageMember | 771 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_ResidentialMortgageMember | 346 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_ResidentialMortgageMember
Related Allowance |  | 30 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_FinancialInstrumentAxis = us-gaap_ResidentialMortgageMember |
Home Equity Line of Credit [Member] | Year to Date [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment | 1,144 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_HomeEquityMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 611 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_HomeEquityMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 747 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_HomeEquityMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember
Interest Income Recognized |  |  | 36 us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod / us-gaap_FinancialInstrumentAxis = us-gaap_HomeEquityMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember
Home Equity Line of Credit [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Contractual Principal Balance | 889 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_FinancialInstrumentAxis = us-gaap_HomeEquityMember | 598 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_FinancialInstrumentAxis = us-gaap_HomeEquityMember | 1,398 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_FinancialInstrumentAxis = us-gaap_HomeEquityMember
Recorded Investment With No Allowance | 118 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_HomeEquityMember | 125 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_HomeEquityMember | 339 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_HomeEquityMember
Recorded Investment With Allowance | 771 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_HomeEquityMember | 473 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_HomeEquityMember | 1,059 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_HomeEquityMember
Total Recorded Investment | 889 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_HomeEquityMember | 598 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_HomeEquityMember | 1,398 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_FinancialInstrumentAxis = us-gaap_HomeEquityMember
Related Allowance | 289 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_FinancialInstrumentAxis = us-gaap_HomeEquityMember | 378 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_FinancialInstrumentAxis = us-gaap_HomeEquityMember | 430 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_FinancialInstrumentAxis = us-gaap_HomeEquityMember
Consumer, Other [Member] | Year to Date [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment | 34 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_ConsumerOtherMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 65 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_ConsumerOtherMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 30 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_ConsumerOtherMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember
Interest Income Recognized |  |  | 7 us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod / us-gaap_FinancialInstrumentAxis = egbn_ConsumerOtherMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember
Consumer, Other [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Contractual Principal Balance | 10 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_FinancialInstrumentAxis = egbn_ConsumerOtherMember | 60 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_FinancialInstrumentAxis = egbn_ConsumerOtherMember | 58 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_FinancialInstrumentAxis = egbn_ConsumerOtherMember
Recorded Investment With Allowance | 10 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_ConsumerOtherMember | 60 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_ConsumerOtherMember | 58 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_ConsumerOtherMember
Total Recorded Investment | 10 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_ConsumerOtherMember | 60 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_ConsumerOtherMember | 58 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_FinancialInstrumentAxis = egbn_ConsumerOtherMember
Related Allowance | 5 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_FinancialInstrumentAxis = egbn_ConsumerOtherMember | 58 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_FinancialInstrumentAxis = egbn_ConsumerOtherMember | 45 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_FinancialInstrumentAxis = egbn_ConsumerOtherMember
Year to Date [Member] | Construction Loans [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment | 8,728 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_LongtermDebtTypeAxis = us-gaap_ConstructionLoansMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 12,580 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_LongtermDebtTypeAxis = us-gaap_ConstructionLoansMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 10,967 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_LongtermDebtTypeAxis = us-gaap_ConstructionLoansMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember
Interest Income Recognized | 99 us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod / us-gaap_LongtermDebtTypeAxis = us-gaap_ConstructionLoansMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 503 us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod / us-gaap_LongtermDebtTypeAxis = us-gaap_ConstructionLoansMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 1,147 us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod / us-gaap_LongtermDebtTypeAxis = us-gaap_ConstructionLoansMember / us-gaap_StatementScenarioAxis = egbn_YearToDateMember
Year to Date [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment | 34,479 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 38,457 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 36,961 us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment / us-gaap_StatementScenarioAxis = egbn_YearToDateMember
Interest Income Recognized | 134 us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 538 us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod / us-gaap_StatementScenarioAxis = egbn_YearToDateMember | 1,650 us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod / us-gaap_StatementScenarioAxis = egbn_YearToDateMember
Construction Loans [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Contractual Principal Balance | 8,671 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_LongtermDebtTypeAxis = us-gaap_ConstructionLoansMember | 13,098 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_LongtermDebtTypeAxis = us-gaap_ConstructionLoansMember | 8,785 us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance / us-gaap_LongtermDebtTypeAxis = us-gaap_ConstructionLoansMember
Recorded Investment With No Allowance | 8,071 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_LongtermDebtTypeAxis = us-gaap_ConstructionLoansMember | 4,783 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_LongtermDebtTypeAxis = us-gaap_ConstructionLoansMember | 8,176 us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment / us-gaap_LongtermDebtTypeAxis = us-gaap_ConstructionLoansMember
Recorded Investment With Allowance | 600 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_LongtermDebtTypeAxis = us-gaap_ConstructionLoansMember | 7,442 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_LongtermDebtTypeAxis = us-gaap_ConstructionLoansMember | 609 us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment / us-gaap_LongtermDebtTypeAxis = us-gaap_ConstructionLoansMember
Total Recorded Investment | 8,671 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_LongtermDebtTypeAxis = us-gaap_ConstructionLoansMember | 12,225 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_LongtermDebtTypeAxis = us-gaap_ConstructionLoansMember | 8,785 us-gaap_ImpairedFinancingReceivableRecordedInvestment / us-gaap_LongtermDebtTypeAxis = us-gaap_ConstructionLoansMember
Related Allowance | $ 550 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_LongtermDebtTypeAxis = us-gaap_ConstructionLoansMember | $ 1,775 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_LongtermDebtTypeAxis = us-gaap_ConstructionLoansMember | $ 927 us-gaap_ImpairedFinancingReceivableRelatedAllowance / us-gaap_LongtermDebtTypeAxis = us-gaap_ConstructionLoansMember

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- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5258-111524 + Details
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- Definition Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5212-111524 + Details
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