XML 81 R70.htm IDEA: XBRL DOCUMENT v3.19.3

Note 14. Supplemental Executive Retirement Plan (Details Narrative)	3 Months Ended		9 Months Ended
	Sep. 30, 2019 USD ($) Number	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) Number	Sep. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Retirement plan monthly installments | Number	180		180
Number of cumulative monthly installments | Number	180		180
Finance term of death benefits			15 years
SERP Member
Defined Benefit Plan Disclosure [Line Items]
Time period for calculating base salary under SERP agreements			5 years
Retirement age	67		67
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			6 years
SERP Member | Fixed annuity contracts SERP Member
Defined Benefit Plan Disclosure [Line Items]
Number of insurance carriers	4		4
Fixed annuity contracts	$ 11,400,000		$ 11,400,000
Accrued income	51,000	$ 56,000	147,000	$ 161,000
Annual benefit plan fees			165,000	123,000
Cash surrender of life insurance	12,100,000		12,100,000		$ 12,400,000
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)	$ 101,000	$ 100,000	$ 303,000	$ 586,000
SERP Member | Less than
Defined Benefit Plan Disclosure [Line Items]
Retirement age	67		67

X

- Definition

The amount of annual benefit plans fees.

+ References

No definition available.

+ Details

Name:	egbn_AnnualBenefitPlanFees
Namespace Prefix:	egbn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The Amount of annuity contracts accrued income.

+ References

No definition available.

+ Details

Name:	egbn_AnnuityContractsAccruedIncome
Namespace Prefix:	egbn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Number of cumulatlitve monthly installments per plan for computing death benefits under the SERP Agreements.

+ References

No definition available.

+ Details

Name:	egbn_BeneficiaryMonthlyInstallments
Namespace Prefix:	egbn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Finance term of death benefits.

+ References

No definition available.

+ Details

Name:	egbn_FinanceTermOfDeathBenefits
Namespace Prefix:	egbn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of insurance carriers of which annuity contracts were purchased.

+ References

No definition available.

+ Details

Name:	egbn_NumberOfInsuranceCarriers
Namespace Prefix:	egbn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Age for retirement for calculation of benefit under SERP Agreements.

+ References

No definition available.

+ Details

Name:	egbn_RetirementAge
Namespace Prefix:	egbn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of monthly installments per plan for computing death benefits under the SERP Agreements.

+ References

No definition available.

+ Details

Name:	egbn_RetirementPlanMonthlyInstallments
Namespace Prefix:	egbn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Base salary for benefit under Supplement Executive Retirement and Death Benefit Agreements, time period used to calculate.

+ References

No definition available.

+ Details

Name:	egbn_TimePeriodForCalculatingBaseSalaryUnderSERPAgreements
Namespace Prefix:	egbn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 4
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=118951113&loc=d3e6812-107765

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_CashSurrenderValueOfLifeInsurance
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_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of net periodic benefit cost (credit) for defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

+ Details

Name:	us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of investments classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(f,g))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_OtherInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_PlanNameAxis=egbn_SERPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InvestmentTypeAxis=egbn_PurchasedFixedAnnuitySERPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=egbn_LessThanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: