Lease Liabilities (Narrative) (Details)	Dec. 31, 2020 USD ($)
Lessee, Lease, Description [Line Items]
Increased operating lease right of use	$ 63,000
Maximum [Member]
Lessee, Lease, Description [Line Items]
Payment term	36 months
Minimum [Member]
Lessee, Lease, Description [Line Items]
Payment term	18 months
Prosperity Bank [Member]
Lessee, Lease, Description [Line Items]
Borrowing rate	3.75%