Long-Term Debt (Long-Term Debt) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Jun. 09, 2020
Debt Instrument [Line Items]
Gross long-term debt	$ 247,761
Less: unamortized debt issuance costs	(5,684)	$ (5,836)
Total long-term debt	242,077	244,220
Subordinated Notes [Member] | Subordinated Notes Payable, Maturing June 2060 [Member]
Debt Instrument [Line Items]
Gross long-term debt	172,500	172,500	$ 172,500
Less: unamortized debt issuance costs	(5,684)
Other Long-Term Debt [Member]
Debt Instrument [Line Items]
Gross long-term debt	$ 75,261	$ 77,556