Stock and Incentive Compensation Plans - Compensation Expense for Awards Under Stock Plan (Details) - Stock and Incentive Compensation Plan [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Recognized compensation expense	$ 6,155	$ 4,883	$ 5,601
Unrecognized compensation expense	5,026
Performance Shares [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Recognized compensation expense	1,772	1,258	828
Unrecognized compensation expense	$ 2,021
Weighted average life of unrecognized compensation expense	1 year 8 months 8 days
Time Based Award [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Recognized compensation expense	$ 4,383	$ 3,625	$ 4,773
Unrecognized compensation expense	$ 3,005
Weighted average life of unrecognized compensation expense	1 year 6 months 29 days