Fair Value of Assets and Liabilities (Details) - Schedule of unobservable inputs used in recurring and nonrecurring Level 3 fair value measurements - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2021	Dec. 31, 2020
Collateral-dependent impaired loans [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value	$ 794	$ 3,544
Valuation techniques	Market comparable properties	Market comparable properties
Unobservable inputs	Comparability adjustments (%)	Comparability adjustments (%)
Range (weighted-average)	0 - 12% (8)	0 - 43% (22)
Mortgage Servicing Rights [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value	$ 11,194	$ 7,759
Valuation techniques	Discounted cash flow	Discounted cash flow
Unobservable inputs	Discount Rate	Discount Rate
Range (weighted-average)	8.65%	8.28%
Constant Prepayment Rate [Member] \| Mortgage Servicing Rights [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable inputs	Constant prepayment rate	Constant prepayment rate
Range (weighted-average)	12.01%	20.87%
P&I earnings credit [Member] \| Mortgage Servicing Rights [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable inputs	P&I earnings credit	P&I earnings credit
Range (weighted-average)	0.08%	0.14%
T and I Earnings Credit [Member] \| Mortgage Servicing Rights [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable inputs	T&I earnings credit	T&I earnings credit
Range (weighted-average)	0.13%	0.24%
Inflation for cost of servicing [Member] \| Mortgage Servicing Rights [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable inputs	Inflation for cost of servicing	Inflation for cost of servicing
Range (weighted-average)	1.50%	1.50%
Loan Closing Rates [Member] \| IRLCs [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value	$ (119)	$ 278
Valuation techniques	Discounted cash flow	Discounted cash flow
Unobservable inputs	Loan closing rates	Loan closing rates
Loan Closing Rates [Member] \| Minimum [Member] \| IRLCs [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range (weighted-average)	49%	49%
Loan Closing Rates [Member] \| Maximum [Member] \| IRLCs [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range (weighted-average)	99%	100%

Description of the inputs and valuation technique(s) used to measure fair value.

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- Definition

Description of the unobservable inputs used in the valuation of investment assets by the entity.

+ References

No definition available.

+ Details

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- Definition

Range weighted-average.

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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.

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- Definition

Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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