XML 19 R33.htm IDEA: XBRL DOCUMENT
v3.2.0.727

Note 3 - Investment Securities Available-for-Sale (Details) - Securities Available-for-sale - USD ($) $ in Thousands | Jun. 30, 2015 | Dec. 31, 2014 | Jun. 30, 2014
--- | --- | --- | ---
Note 3 - Investment Securities Available-for-Sale (Details) - Securities Available-for-sale [Line Items] |  |  |
Amortized Cost | $ 421,645 | $ 377,933 |
Gross Unrealized gains | 5,094 | 7,087 |
Gross unrealized losses | 3,030 | 2,677 |
Estimated fair value | 423,709 | 382,343 | $ 378,990
US Government Agencies Debt Securities [Member] |  |  |
Note 3 - Investment Securities Available-for-Sale (Details) - Securities Available-for-sale [Line Items] |  |  |
Amortized Cost | 59,360 | 29,434 |
Gross Unrealized gains | 637 | 500 |
Gross unrealized losses | 294 | 40 |
Estimated fair value | 59,703 | 29,894 |
Residential Mortgage Backed Securities [Member] |  |  |
Note 3 - Investment Securities Available-for-Sale (Details) - Securities Available-for-sale [Line Items] |  |  |
Amortized Cost | 256,196 | 241,120 |
Gross Unrealized gains | 1,517 | 1,716 |
Gross unrealized losses | 2,050 | 2,516 |
Estimated fair value | 255,663 | 240,320 |
US States and Political Subdivisions Debt Securities [Member] |  |  |
Note 3 - Investment Securities Available-for-Sale (Details) - Securities Available-for-sale [Line Items] |  |  |
Amortized Cost | 90,593 | 106,983 |
Gross Unrealized gains | 2,872 | 4,850 |
Gross unrealized losses | 627 | 121 |
Estimated fair value | 92,838 | 111,712 |
Corporate Debt Securities [Member] |  |  |
Note 3 - Investment Securities Available-for-Sale (Details) - Securities Available-for-sale [Line Items] |  |  |
Amortized Cost | 15,100 |  |
Gross unrealized losses | 59 |  |
Estimated fair value | 15,041 |  |
Equity Investment Other [Member] |  |  |
Note 3 - Investment Securities Available-for-Sale (Details) - Securities Available-for-sale [Line Items] |  |  |
Amortized Cost | 396 | 396 |
Gross Unrealized gains | 68 | 21 |
Estimated fair value | $ 464 | $ 417 |

X
- References No definition available. + Details
Name: | egbn_Note3InvestmentSecuritiesAvailableforSaleDetailsSecuritiesAvailableforsaleLineItems
Namespace Prefix: | egbn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51813488&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26610-111562 + Details
Name: | us-gaap_AvailableForSaleSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_AvailableForSaleSecuritiesAmortizedCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_ResidentialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=egbn_EquityInvestmentOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |