Summary of Significant Accounting Policies - Narrative (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Jan. 01, 2019
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Trading securities		$ 0
Available-for-sale securities	$ 0	0
Equity securities	0	0
Other real estate owned		0
Carrying value of consumer loans	773,000
Adjustment for unrecognized income tax benefits		0
Income tax penalties and interest expense for unrecognized income tax benefits	0	0
Right of use asset	902,000
Lease Liability	964,000
Investment in Federal Home Loan Bank Stock
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Asset impairment charges	$ 0	$ 0
Accounting Standards Update 2016-02
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Right of use asset			$ 1,200,000
Lease Liability			$ 1,200,000

Fair Value Inputs, Assets, Quantitative Information1 [Line Items]

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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- Definition

Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of lessee's right to use underlying asset under operating lease.

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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.

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Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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- Definition

Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Amount of increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns.

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