Allowance for Loan Losses - Schedule of Changes in Allowance for Loan Losses and Recorded Investment in Loans (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses Beginning balance	$ 1,423,561	$ 1,157,109	$ 1,183,261	$ 1,124,925
Allowance for loan losses Charge-offs	(2,534)	(50,652)	(2,534)	(115,041)
Allowance for loan losses Recoveries				1,073
Allowance for loan losses Provision (credit)	99,999	53,000	340,299	148,500
Allowance for loan losses Ending balance	1,521,026	1,159,457	1,521,026	1,159,457
Mortgage One-to-Four Family [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses Beginning balance	621,527	446,697	543,090	422,539
Allowance for loan losses Charge-offs				(28,268)
Allowance for loan losses Recoveries
Allowance for loan losses Provision (credit)	83,118	(28,069)	161,555	24,357
Allowance for loan losses Ending balance	704,645	418,628	704,645	418,628
Mortgage Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses Beginning balance	442,659	386,720	443,897	393,900
Allowance for loan losses Charge-offs				(22,932)
Allowance for loan losses Recoveries
Allowance for loan losses Provision (credit)	10,310	106,147	9,072	121,899
Allowance for loan losses Ending balance	452,969	492,867	452,969	492,867
Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses Beginning balance	291,790	276,496	170,769	263,721
Allowance for loan losses Charge-offs		(50,652)		(50,652)
Allowance for loan losses Recoveries				1,073
Allowance for loan losses Provision (credit)	(1,053)	(4,155)	119,968	7,547
Allowance for loan losses Ending balance	290,737	221,689	290,737	221,689
Consumer and HELOC [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses Beginning balance	67,585	47,196	25,505	44,765
Allowance for loan losses Charge-offs	(2,534)		(2,534)	(13,189)
Allowance for loan losses Recoveries
Allowance for loan losses Provision (credit)	7,624	(20,923)	49,704	(5,303)
Allowance for loan losses Ending balance	$ 72,675	$ 26,273	$ 72,675	$ 26,273

SSB Bancorp, Inc. 10-Q