Stock and Incentive Compensation - Compensation Expense for Awards and Units Under Stock Plan (Details) - Stock and Incentive Compensation Plan [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Compensation expense [Abstract]
Recognized compensation expense	$ 1,494	$ 1,229	$ 4,772	$ 3,714
Performance Units [Member]
Compensation expense [Abstract]
Recognized compensation expense	449	381	1,181	916
Time-Vested Units [Member]
Compensation expense [Abstract]
Recognized compensation expense	$ 1,045	$ 848	$ 3,591	$ 2,798