Derivatives (Summary of Derivative Instruments) (Details) $ in Thousands	Jun. 26, 2021 USD ($) Rate
Effective September 1, 2016 through September 1, 2021 [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 25
Effective September 1, 2015 through September 1, 2021 [Member]
Derivative [Line Items]
Derivative, Notional Amount	25
Effective November 7, 2014 through November 7, 2024 [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 5,588	[1]
Fixed Interest Rate | Rate	4.50%
Derivative, Amortizing Notional Amount	$ 35

[1] Interest rate swap notional amount amortizes by $35 monthly to maturity.