Investment Securities (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Available For Sale Securities Pledged As Collateral Amortized Cost	$ 449,300
Federal Home Loan Bank stock, at cost	17,250	$ 40,924
Redemptions of FHLB stock	(68,500)
Purchases of FHLB Stock	44,800
Federal Home Loan Bank of San Francisco
Debt Securities, Available-for-sale [Line Items]
Increase (Decrease) in Marketable Securities, Restricted	$ (23,700)

Available For Sale Securities Pledged As Collateral Amortized Cost

No definition available.

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- Definition

Purchases of FHLB Stock

+ References

No definition available.

+ Details

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- Definition

Redemptions of FHLB stock during the period

+ References

No definition available.

+ Details

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- Definition

Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 325
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=75031641&loc=d3e63345-112809

+ Details

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- Definition

The change during the period, either increase or decrease, in total debt and equity financial instruments including: (1) securities held-to-maturity, (2) trading securities, and (3) securities available-for-sale that are pledged to one or more secured parties who have the right to buy, sell, or re-pledge the collateral.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(b))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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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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