Derivatives (Summary of Derivative Instruments) (Details) - Interest Rate Swap [Member] $ in Thousands	Dec. 28, 2019 USD ($) Rate
Effective September 1, 2016 through September 1, 2021 [Member]
Derivative [Line Items]
Notional Amount | $	$ 25,000
Fixed Interest Rate | Rate	3.105%
Effective September 1, 2015 through September 1, 2021 [Member]
Derivative [Line Items]
Notional Amount | $	$ 25,000
Fixed Interest Rate | Rate	3.304%
November 7, 2014 through November 7, 2024 [Member]
Derivative [Line Items]
Notional Amount | $	$ 6,213	[1]
Fixed Interest Rate | Rate	4.50%

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