Fair Value of Financial Instruments - Quantative Information About Unobservable Inputs (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2020	Dec. 31, 2019
Impaired loans	$ 4,883	$ 4,887
Impaired loans	2,065	2,065
Servicing asset	2,415	2,481
Quoted Prices in Active Markets for Identical Assets (Level 1)
Servicing asset	0	0
Significant Other Observable Inputs (Level 2)
Servicing asset	0	0
Significant Unobservable Inputs (Level 3)
Servicing asset	2,415	2,481
Other Real Estate Owned \| Significant Unobservable Inputs (Level 3)
Impaired loans		$ 3,019
Other securities Valuation Technique		Fair value of collateral
Other securities Unobservable Inputs		Discount for type of property and current market conditions
IRLCs \| Significant Unobservable Inputs (Level 3)
IRLCs Fair Value	$ 2,064	$ 910
Other securities Valuation Technique	Discounted cash flow	Discounted cash flow
Other securities Unobservable Inputs	Loan closing rates	Loan closing rates
Servicing asset \| Significant Unobservable Inputs (Level 3)
Other securities Valuation Technique	Discounted cash flow	Discounted cash flow
Other securities Unobservable Inputs	Prepayment speeds	Prepayment speeds
Servicing asset	$ 2,415	$ 2,481
Discount for type of property and current market conditions \| Fair value of collateral \| Impaired Loans \| Significant Unobservable Inputs (Level 3)
Other real estate owned, discount rate		10.00%
Discount for type of property and current market conditions \| Fair value of collateral \| Impaired Loans \| Significant Unobservable Inputs (Level 3) \| Weighted-Average Range
Other real estate owned, discount rate		10.00%
Loan closing rates \| Discounted cash flow \| IRLCs \| Significant Unobservable Inputs (Level 3) \| Minimum
IRLC - Loan closing rates	36.00%	50.00%
Loan closing rates \| Discounted cash flow \| IRLCs \| Significant Unobservable Inputs (Level 3) \| Maximum
IRLC - Loan closing rates	100.00%	100.00%
Loan closing rates \| Discounted cash flow \| IRLCs \| Significant Unobservable Inputs (Level 3) \| Weighted-Average Range
IRLC - Loan closing rates	56.00%	84.00%
Prepayment speeds \| Discounted cash flow \| Servicing asset \| Significant Unobservable Inputs (Level 3) \| Minimum
Servicing asset, discount rate	0.00%	0.00%
Prepayment speeds \| Discounted cash flow \| Servicing asset \| Significant Unobservable Inputs (Level 3) \| Maximum
Servicing asset, discount rate	25.00%	25.00%
Prepayment speeds \| Discounted cash flow \| Servicing asset \| Significant Unobservable Inputs (Level 3) \| Weighted-Average Range
Servicing asset, discount rate	14.00%	14.00%
Expected weighted-average loan life \| Significant Unobservable Inputs (Level 3) \| Minimum
Loan life term	3 years 3 months 18 days	3 years 2 months 12 days
Expected weighted-average loan life \| Significant Unobservable Inputs (Level 3) \| Maximum
Loan life term	5 years 3 months 18 days	5 years 8 months 12 days
Expected weighted-average loan life \| Significant Unobservable Inputs (Level 3) \| Weighted-Average Range
Loan life term	4 years 8 months 12 days	5 years

Fair value portion of derivative financial instrument.

No definition available.

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- Definition

It represents the IRLC on percentage range of fair value assets and Liabilities.

+ References

No definition available.

+ Details

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- Definition

Loan Life Term

+ References

No definition available.

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- Definition

Other Real Estate Owned, Discount Rate

+ References

No definition available.

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- Definition

It represents the other securities fair value assets and Liabilities unobservable inputs description.

+ References

No definition available.

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- Definition

It represents the other securities On fair value assets and Liabilities Valuation Technique.

+ References

No definition available.

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- Definition

Amount of investment in impaired financing receivables for which there is a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953550-111524

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- Definition

Carrying amount of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This does not include real estate assets taken in settlement of troubled loans through surrender or foreclosure.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.10(4))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

Aggregate amount of servicing assets that are subsequently measured at fair value and servicing assets that are subsequently measured using the amortization method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745

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- Definition

Discount rate used to estimate the fair value of servicing assets and servicing liabilities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=116651436&loc=d3e122596-111746

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