XML 87 R72.htm IDEA: XBRL DOCUMENT
v3.19.1

Loans and Credit Quality - Loan Portfolio Segmented By Risk Class (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | $ 988,833 | $ 959,109
Less: Unearned origination fees, net of origination costs | (4,487) | (4,156)
Total loans | 984,346 | 954,953
Asset Quality Rating - Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 928,552 | 905,022
Asset Quality Rating - Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 31,426 | 18,726
Asset Quality Rating - Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 28,854 | 35,361
Commercial |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 342,420 | 313,514
Total loans | 341,091 | 312,254
Commercial | Asset Quality Rating - Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 315,112 | 277,371
Commercial | Asset Quality Rating - Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 5,116 | 4,921
Commercial | Asset Quality Rating - Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 22,192 | 31,222
Real estate construction one-to-four family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 37,111 | 31,201
Total loans | 36,828 | 30,955
Real estate construction one-to-four family | Asset Quality Rating - Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 33,729 | 31,201
Real estate construction one-to-four family | Asset Quality Rating - Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 3,382 | 0
Real estate construction one-to-four family | Asset Quality Rating - Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 0 | 0
Real estate construction other |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 72,256 | 80,093
Total loans | 71,658 | 79,784
Real estate construction other | Asset Quality Rating - Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 72,256 | 80,093
Real estate construction other | Asset Quality Rating - Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 0 | 0
Real estate construction other | Asset Quality Rating - Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 0 | 0
Real estate term owner occupied |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 126,414 | 132,042
Total loans | 125,795 | 131,389
Real estate term owner occupied | Asset Quality Rating - Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 117,174 | 127,059
Real estate term owner occupied | Asset Quality Rating - Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 3,987 | 2,095
Real estate term owner occupied | Asset Quality Rating - Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 5,253 | 2,888
Real estate term non-owner occupied |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 325,720 | 319,313
Total loans | 324,198 | 317,808
Real estate term non-owner occupied | Asset Quality Rating - Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 307,126 | 307,780
Real estate term non-owner occupied | Asset Quality Rating - Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 18,129 | 11,051
Real estate term non-owner occupied | Asset Quality Rating - Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 465 | 482
Real estate term other |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 42,039 | 40,411
Total loans | 41,746 | 40,101
Real estate term other | Asset Quality Rating - Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 40,792 | 39,777
Real estate term other | Asset Quality Rating - Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 670 | 634
Real estate term other | Asset Quality Rating - Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 577 | 0
Consumer secured by 1st deeds of trust |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 19,228 | 22,616
Total loans | 19,234 | 22,625
Consumer secured by 1st deeds of trust | Asset Quality Rating - Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 18,768 | 21,846
Consumer secured by 1st deeds of trust | Asset Quality Rating - Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 140 | 3
Consumer secured by 1st deeds of trust | Asset Quality Rating - Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 320 | 767
Consumer other |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 23,645 | 19,919
Total loans | 23,796 | 20,037
Consumer other | Asset Quality Rating - Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 23,595 | 19,895
Consumer other | Asset Quality Rating - Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 2 | 22
Consumer other | Asset Quality Rating - Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | $ 47 | $ 2

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_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_NotesReceivableNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6378536&loc=d3e10092-111533 + Details
Name: | us-gaap_UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=nrim_RealEstateConstructionOneToFourFamilyPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=nrim_RealEstateConstructionOtherPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=nrim_RealEstateTermOwnerOccupiedPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=nrim_RealEstateTermNonOwnerOccupiedPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=nrim_RealEstateTermOtherPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=nrim_ConsumerSecuredByFirstDeedOfTrustPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=nrim_ConsumerOtherPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |