XML 79 R63.htm IDEA: XBRL DOCUMENT
v3.19.1

Note 3 - Investment Securities - Amortized Cost and Fair Value of Investment Securities (Details) - USD ($) | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Securities held to maturity: |  |
Securities held to maturity, at amortized cost | $ 401,912,885 | $ 379,474,205
Securities held to maturity, gross unrealized gains | 5,661,095 | 2,763,718
Securities held to maturity, gross unrealized (losses) | (6,803,397) | (2,488,119)
Securities held to maturity, fair value | 400,770,583 | 379,749,804
Securities available for sale: |  |
Securities available for sale, amortized Cost | 266,671,830 | 274,058,995
Securities available for sale, gross unrealized gains | 500,936 | 1,749,323
Securities available for sale, gross unrealized (losses) | (6,116,318) | (2,900,411)
Securities available for sale, fair value | 261,056,448 | 272,907,907
US States and Political Subdivisions Debt Securities |  |
Securities held to maturity: |  |
Securities held to maturity, at amortized cost | 400,862,885 | 378,424,205
Securities held to maturity, gross unrealized gains | 5,661,095 | 2,763,718
Securities held to maturity, gross unrealized (losses) | (6,802,765) | (2,488,119)
Securities held to maturity, fair value | 399,721,215 | 378,699,804
Securities available for sale: |  |
Securities available for sale, amortized Cost | 59,069,259 | 66,176,364
Securities available for sale, gross unrealized gains | 179,748 | 660,232
Securities available for sale, gross unrealized (losses) | (702,985) | (211,100)
Securities available for sale, fair value | 58,546,022 | 66,625,496
Other Securities |  |
Securities held to maturity: |  |
Securities held to maturity, at amortized cost | 1,050,000 | 1,050,000
Securities held to maturity, gross unrealized (losses) | (632) |
Securities held to maturity, fair value | 1,049,368 | 1,050,000
Securities available for sale: |  |
Securities available for sale, amortized Cost | 6,754,164 | 4,014,004
Securities available for sale, gross unrealized gains | 100,700 | 896,384
Securities available for sale, gross unrealized (losses) | (5,089) | (25,815)
Securities available for sale, fair value | 6,849,775 | 4,884,573
US Government Agencies Debt Securities |  |
Securities available for sale: |  |
Securities available for sale, amortized Cost | 37,150,434 | 38,409,157
Securities available for sale, gross unrealized gains | 38,620 | 37,344
Securities available for sale, gross unrealized (losses) | (777,663) | (349,967)
Securities available for sale, fair value | 36,411,391 | 38,096,534
Residential Mortgage Backed Securities |  |
Securities available for sale: |  |
Securities available for sale, amortized Cost | 163,697,973 | 165,459,470
Securities available for sale, gross unrealized gains | 181,868 | 155,363
Securities available for sale, gross unrealized (losses) | (4,630,581) | (2,313,529)
Securities available for sale, fair value | $ 159,249,260 | $ 163,301,304

X
- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82897076&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 No definition available. + 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 No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesAmortizedCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before other-than-temporary impairment (OTTI) accretion, of investment in debt securities measured at amortized cost (held-to-maturity). + References No definition available. + Details
Name: | us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=qcrh_OtherSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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