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		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Compensation expense [Abstract]
Recognized compensation expense	$ 1,563	$ 1,240	$ 3,278	$ 2,485
Performance Units [Member]
Compensation expense [Abstract]
Recognized compensation expense	454	406	732	535
Time-Vested Units [Member]
Compensation expense [Abstract]
Recognized compensation expense	$ 1,109	$ 834	$ 2,546	$ 1,950