Income Taxes - Schedule of Effective Income Tax Rate (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Income tax expense at federal statutory rate									$ 742	$ 1,220
Increase (decrease) resulting from:
Tax-exempt interest									(87)	(95)
Bank-owned life insurance									(63)	(65)
State income tax expense, net of federal income taxes									132	229
Other									101	(43)
Total	$ 309	$ 136	$ 118	$ 262	$ 381	$ 214	$ 300	$ 351	$ 825	$ 1,246