XML 33 R22.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Allowance for Loan Losses (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2017
Receivables [Abstract] |
Allowance for Loan Losses | The following tables detail activity in the Allowance for the periods indicated:
Three Months Ended September 30, | Commercial | Real estate construction one-to-four family | Real estate construction other | Real estate term owner occupied | Real estate term non-owner occupied | Real estate term other | Consumer secured by 1st deed of trust | Consumer other | Unallocated | Total
2017 |  |  |  |  |  |  |  |  |  |  |  |
Balance, beginning of period |  | $5,822 |  |  | $521 |  |  | $1,517 |  |  | $2,354 |  |  | $7,075 |  |  | $774 |  |  | $327 |  |  | $362 |  |  | $1,309 |  |  | $20,061 |
Charge-Offs | (1,118 | ) | — |  | — |  | — |  | — |  | — |  | (85 | ) | — |  | — |  | (1,203 | )
Recoveries | 102 |  | — |  | — |  | — |  | — |  | — |  | — |  | 4 |  | — |  | 106 |
Provision (benefit) | 2,210 |  | 79 |  | 261 |  | (10 | ) | (60 | ) | 10 |  | 93 |  | (2 | ) | (81 | ) | 2,500 |
Balance, end of period |  | $7,016 |  |  | $600 |  |  | $1,778 |  |  | $2,344 |  |  | $7,015 |  |  | $784 |  |  | $335 |  |  | $364 |  |  | $1,228 |  |  | $21,464 |
Balance, end of period: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
for impairment |  | $1,514 |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $1,514 |
Balance, end of period: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Collectively evaluated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
for impairment |  | $5,502 |  |  | $600 |  |  | $1,778 |  |  | $2,344 |  |  | $7,015 |  |  | $784 |  |  | $335 |  |  | $364 |  |  | $1,228 |  |  | $19,950 |
2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance, beginning of period |  | $5,867 |  |  | $892 |  |  | $1,097 |  |  | $2,285 |  |  | $5,298 |  |  | $670 |  |  | $346 |  |  | $420 |  |  | $1,510 |  |  | $18,385 |
Charge-Offs | — |  | — |  | — |  | — |  | — |  | — |  | (22 | ) | — |  | — |  | (22 | )
Recoveries | 450 |  | — |  | — |  | — |  | — |  | — |  | — |  | 14 |  | — |  | 464 |
Provision (benefit) | (278 | ) | 306 |  | 312 |  | 314 |  | 103 |  | 73 |  | 2 |  | (28 | ) | (152 | ) | 652 |
Balance, end of period |  | $6,039 |  |  | $1,198 |  |  | $1,409 |  |  | $2,599 |  |  | $5,401 |  |  | $743 |  |  | $326 |  |  | $406 |  |  | $1,358 |  |  | $19,479 |
Balance, end of period: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
for impairment |  | $— |  |  | $535 |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $535 |
Balance, end of period: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Collectively evaluated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
for impairment |  | $6,039 |  |  | $663 |  |  | $1,409 |  |  | $2,599 |  |  | $5,401 |  |  | $743 |  |  | $326 |  |  | $406 |  |  | $1,358 |  |  | $18,944 |
Nine Months Ended September 30, | Commercial | Real estate construction one-to-four family | Real estate construction other | Real estate term owner occupied | Real estate term non-owner occupied | Real estate term other | Consumer secured by 1st deed of trust | Consumer other | Unallocated | Total
2017 |  |  |  |  |  |  |  |  |  |  |  |
Balance, beginning of period |  | $5,535 |  |  | $550 |  |  | $1,465 |  |  | $2,358 |  |  | $6,853 |  |  | $819 |  |  | $313 |  |  | $408 |  |  | $1,396 |  |  | $19,697 |
Charge-Offs | (1,582 | ) | — |  | — |  | — |  | — |  | (5 | ) | (85 | ) | (17 | ) | — |  | (1,689 | )
Recoveries | 246 |  | — |  | — |  | — |  | — |  | — |  | 2 |  | 8 |  | — |  | 256 |
Provision (benefit) | 2,817 |  | 50 |  | 313 |  | (14 | ) | 162 |  | (30 | ) | 105 |  | (35 | ) | (168 | ) | 3,200 |
Balance, end of period |  | $7,016 |  |  | $600 |  |  | $1,778 |  |  | $2,344 |  |  | $7,015 |  |  | $784 |  |  | $335 |  |  | $364 |  |  | $1,228 |  |  | $21,464 |
Balance, end of period: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
for impairment |  | $1,514 |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $1,514 |
Balance, end of period: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Collectively evaluated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
for impairment |  | $5,502 |  |  | $600 |  |  | $1,778 |  |  | $2,344 |  |  | $7,015 |  |  | $784 |  |  | $335 |  |  | $364 |  |  | $1,228 |  |  | $19,950 |
2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance, beginning of period |  | $5,906 |  |  | $854 |  |  | $1,439 |  |  | $1,657 |  |  | $5,515 |  |  | $628 |  |  | $264 |  |  | $397 |  |  | $1,493 |  |  | $18,153 |
Charge-Offs | (868 | ) | — |  | — |  | — |  | — |  | — |  | (22 | ) | (1 | ) | — |  | (891 | )
Recoveries | 643 |  | — |  | — |  | — |  | — |  | — |  | — |  | 19 |  | — |  | 662 |
Provision (benefit) | 358 |  | 344 |  | (30 | ) | 942 |  | (114 | ) | 115 |  | 84 |  | (9 | ) | (135 | ) | 1,555 |
Balance, end of period |  | $6,039 |  |  | $1,198 |  |  | $1,409 |  |  | $2,599 |  |  | $5,401 |  |  | $743 |  |  | $326 |  |  | $406 |  |  | $1,358 |  |  | $19,479 |
Balance, end of period: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
for impairment |  | $— |  |  | $535 |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $535 |
Balance, end of period: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Collectively evaluated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
for impairment |  | $6,039 |  |  | $663 |  |  | $1,409 |  |  | $2,599 |  |  | $5,401 |  |  | $743 |  |  | $326 |  |  | $406 |  |  | $1,358 |  |  | $18,944 |
The following table sets forth information regarding changes in the purchased receivable reserve for the three and nine month periods ending September 30, 2017 and 2016, respectively:
| Three Months Ended September 30, | Nine Months Ended September 30,
(In Thousands) | 2017 | 2016 | 2017 | 2016
Balance at beginning of period |  | $194 |  |  | $163 |  |  | $171 |  |  | $181 |
Charge-offs | — |  | — |  | — |  | — |
Recoveries | — |  | — |  | — |  | — |
Charge-offs net of recoveries | — |  | — |  | — |  | — |
Reserve for (recovery from) purchased receivables | 6 |  | — |  | 29 |  | (18 | )
Balance at end of period |  | $200 |  |  | $163 |  |  | $200 |  |  | $163 |
Recorded Investment Segregated by Amounts Individually or Collectively in Allowance for Loan Losses | The following is a detail of the recorded investment in the loan portfolio, segregated by amounts evaluated individually or collectively in the Allowance at the periods indicated:
(In Thousands) | Commercial |  | Real estate construction one-to-four family |  | Real estate construction other |  | Real estate term owner occupied |  | Real estate term non-owner occupied |  | Real estate term other |  | Consumer secured by 1st deed of trust |  | Consumer other |  | Total
September 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance, end of period |  | $315,512 |  |  |  | $27,543 |  |  |  | $83,884 |  |  |  | $135,053 |  |  |  | $344,968 |  |  |  | $41,326 |  |  |  | $23,333 |  |  |  | $21,609 |  |  |  | $993,228 |
Balance, end of period: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
for impairment |  | $29,442 |  |  |  | $— |  |  |  | $— |  |  |  | $7,300 |  |  |  | $902 |  |  |  | $1,214 |  |  |  | $864 |  |  |  | $— |  |  |  | $39,722 |
Balance, end of period: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Collectively evaluated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
for impairment |  | $286,070 |  |  |  | $27,543 |  |  |  | $83,884 |  |  |  | $127,753 |  |  |  | $344,066 |  |  |  | $40,112 |  |  |  | $22,469 |  |  |  | $21,609 |  |  |  | $953,506 |
December 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance, end of period |  | $278,178 |  |  |  | $26,061 |  |  |  | $72,159 |  |  |  | $152,178 |  |  |  | $356,601 |  |  |  | $45,402 |  |  |  | $23,589 |  |  |  | $25,281 |  |  |  | $979,449 |
Balance, end of period: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
for impairment |  | $18,657 |  |  |  | $— |  |  |  | $— |  |  |  | $16,946 |  |  |  | $1,084 |  |  |  | $1,302 |  |  |  | $615 |  |  |  | $52 |  |  |  | $38,656 |
Balance, end of period: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Collectively evaluated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
for impairment |  | $259,521 |  |  |  | $26,061 |  |  |  | $72,159 |  |  |  | $135,232 |  |  |  | $355,517 |  |  |  | $44,100 |  |  |  | $22,974 |  |  |  | $25,229 |  |  |  | $940,793 |
Balance of the Allowance Segregated by Segment and Class | The following represents the balance of the Allowance for the periods indicated segregated by segment and class:
(In Thousands) | Commercial | Real estate construction 1-4 family | Real estate construction other | Real estate term owner occupied | Real estate term non-owner occupied | Real estate term other | Consumer secured by 1st deeds of trust | Consumer other | Unallocated | Total
September 30, 2017 |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment: |  |  |  |  |  |  |  |  |
AQR Special Mention |  | $10 |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $10 |
AQR Substandard | 1,504 |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | 1,504 |
Collectively: evaluated for impairment: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
AQR Pass | 5,464 |  | 600 |  | 1,778 |  | 2,280 |  | 6,634 |  | 784 |  | 331 |  | 356 |  | — |  | 18,227 |
AQR Special Mention | 37 |  | — |  | — |  | 64 |  | 381 |  | — |  | 4 |  | 7 |  | — |  | 493 |
AQR Substandard | 1 |  | — |  | — |  | — |  | — |  | — |  | — |  | 1 |  | — |  | 2 |
Unallocated | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | 1,228 |  | 1,228 |
|  | $7,016 |  |  | $600 |  |  | $1,778 |  |  | $2,344 |  |  | $7,015 |  |  | $784 |  |  | $335 |  |  | $364 |  |  | $1,228 |  |  | $21,464 |
December 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
AQR Substandard |  | $614 |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $— |  |  | $614 |
Collectively: evaluated for impairment: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
AQR Pass | 4,867 |  | 550 |  | 1,465 |  | 2,358 |  | 6,853 |  | 819 |  | 310 |  | 406 |  | — |  | 17,628 |
AQR Special Mention | 51 |  | — |  | — |  | — |  | — |  | — |  | 3 |  | 2 |  | — |  | 56 |
AQR Substandard | 3 |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | 3 |
Unallocated | — |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | 1,396 |  | 1,396 |
|  | $5,535 |  |  | $550 |  |  | $1,465 |  |  | $2,358 |  |  | $6,853 |  |  | $819 |  |  | $313 |  |  | $408 |  |  | $1,396 |  |  | $19,697 |

X
- Definition Allowance For Loan Losses Credit Quality Indicators [Table Text Block] + References No definition available. + Details
Name: | nrim_AllowanceForLoanLossesCreditQualityIndicatorsTableTextBlock
Namespace Prefix: | nrim_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Recorded Investment Segregated By Amounts Individually Or Collectively In Allowance For Loan Losses [Table Text Block] + References No definition available. + Details
Name: | nrim_RecordedInvestmentSegregatedByAmountsIndividuallyOrCollectivelyInAllowanceForLoanLossesTableTextBlock
Namespace Prefix: | nrim_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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