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Fair Value of Assets and Liabilities (Details) - Schedule of unobservable inputs used in recurring and nonrecurring Level 3 fair value measurements - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Collateral Dependent Impaired Loans [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value	$ 639	$ 3,544
Valuation technique	Market comparable properties	Market comparable properties
Unobservable inputs	Comparability adjustments (%)	Comparability adjustments (%)
Range (weighted-average)	0 - 15% (10%)	0 - 43% (22)
Mortgage Servicing Rights [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value	$ 10,490	$ 7,759
Valuation technique	Discounted cash flow	Discounted cash flow
Unobservable inputs	Discount Rate	Discount Rate
Range (weighted-average)	8.78%	8.28%
IRLCs [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value	$ (414)	$ 278
Valuation technique	Discounted cash flow	Discounted cash flow
Unobservable inputs	Loan closing rates	Loan closing rates
Range (weighted-average)	45% - 99%	49% - 100%
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)	11.29%	20.87%
P and 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)	0.11%	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)	0.20%	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%

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- Definition

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

+ References

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- Definition

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

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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

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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=117815213&loc=d3e19207-110258

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