Long-Term Debt Schedule of maturities (Details) - Notes Payable to Banks - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Jun. 20, 2019
Debt Instrument [Line Items]
Long-term Debt, Excluding Unamortized Cost of Debt Extinguishment Costs	$ 0	$ 32,500	$ 50,000
Long-term Debt, Excluding Unamortized Cost of Debt Extinguishment Costs, Average Rate	0.00%	1.84%