Summary of Significant Accounting Policies (Narrative) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2022 USD ($) store state	Dec. 31, 2021 USD ($)
Organization And Business Operations [Line Items]
Number of states in which stores operates | state	47
Number of stores | store	439
Cash and Cash Equivalents	$ 6,051	$ 85,189
Asset for right to recover returned merchandise	$ 1,300
Minimum years of product warranty	1 year
Maximum years of product warranty	100 years
Product warranty reserve	$ 1,000
Deferred Income Tax Assets, Net	$ 11,285	$ 11,336
U.S.
Organization And Business Operations [Line Items]
Number of stores | store	439