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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2018
New Accounting Pronouncements and Changes in Accounting Principles [Abstract] |
Calculation of Earnings Per Share | Information used to calculate earnings per share was as follows:
(In Thousands) | 2018 | 2017 | 2016
Net income attributable to Northrim BanCorp, Inc. |  | $20,004 |  |  | $13,151 |  |  | $14,411 |
Basic weighted average common shares outstanding | 6,878 |  | 6,890 |  | 6,884 |
Dilutive effect of potential common shares from awards granted under equity incentive program | 104 |  | 88 |  | 91 |
Total | 6,982 |  | 6,978 |  | 6,975 |
Earnings per common share |  |  |
Basic |  | $2.91 |  |  | $1.91 |  |  | $2.09 |
Diluted |  | $2.86 |  |  | $1.88 |  |  | $2.06 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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