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Investment Securities - Amortized Cost and Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Scheduled of amortized cost and fair value of securities pledged as collateral
Amortized Cost	$ 253,511	$ 187,947
Fair Value	256,406	194,890
Other securities pledged
Scheduled of amortized cost and fair value of securities pledged as collateral
Amortized Cost	57,728	29,665
Fair Value	57,307	30,717
Washington and Oregon State to Secure Public Deposits
Scheduled of amortized cost and fair value of securities pledged as collateral
Amortized Cost	127,486	119,652
Fair Value	130,675	124,228
Repurchase Agreements
Scheduled of amortized cost and fair value of securities pledged as collateral
Amortized Cost	68,297	38,630
Fair Value	$ 68,424	$ 39,945

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- Definition

PledgedAssetsSeparatelyReportedSecuritiesPledgedAsCollateralAtAmortizedCost

+ References

No definition available.

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- Definition

Scheduled of amortized cost and fair value of securities pledged as collateral.

+ 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

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