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Investment Securities - Amortized Cost and Fair Value (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Investment Holdings [Line Items] |  |
Amortized Cost | $ 187,947 | $ 229,189
Fair Value | 194,890 | 232,917
Washington and Oregon state public deposits |  |
Investment Holdings [Line Items] |  |
Amortized Cost | 119,652 | 187,700
Fair Value | 124,228 | 190,773
Securities sold under agreement to repurchase |  |
Investment Holdings [Line Items] |  |
Amortized Cost | 38,630 | 22,156
Fair Value | 39,945 | 22,294
Other securities pledged |  |
Investment Holdings [Line Items] |  |
Amortized Cost | 29,665 | 19,333
Fair Value | $ 30,717 | $ 19,850

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- Definition Amount of securities, mortgage loans, or other financial instruments pledged as collateral for deposits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116652737&loc=d3e64164-112818 + Details
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- 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
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- Definition The sum of the fair values, as of the date of each statement of financial position presented, of securities that are restricted as collateral for the payment of related debt obligations, primarily secured borrowings and repurchase agreements, and that are reclassified and separately reported in the statement of financial position because the transferee has the right by contract or custom to sell or re-pledge them. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728 + Details
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- Details
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- Details
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- Details
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