Nature of Operations and Summary of Significant Accounting Policies (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) Segment Loan	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Interest-Bearing Time Deposits in Other Banks [Abstract]
Interest-bearing time deposits in other banks	$ 16,412	$ 30,147
Securities [Abstract]
Securities, available-for-sale	0	0
Securities, held to maturity	0	0
Long-Lived Asset Impairment [Abstract]
Asset impairment charges	$ 0	0	$ 0
Segments [Abstract]
Number of reportable segment | Segment	1
Income Taxes Abstract]
Interest accrued and penalties related to unrecognized tax benefits	$ 0	0	$ 0
Revenue Recognition [Abstract]
Maximum payment period received for transactions	90 days
Legislative and Regulatory Developments [Abstract]
Gross loans	$ 839,088	$ 708,668
Minimum [Member]
Interest-Bearing Time Deposits in Other Banks [Abstract]
Maturity period of interest bearing time deposits	1 year
Maximum [Member]
Interest-Bearing Time Deposits in Other Banks [Abstract]
Maturity period of interest bearing time deposits	5 years
Core Deposits [Member]
Goodwill and Intangible Assets [Abstract]
Estimated useful life	10 years
PPP Loans [Member]
Legislative and Regulatory Developments [Abstract]
Number of loans originated | Loan	166
Gross loans	$ 44,900