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, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Compensation expense [Abstract]
Recognized compensation expense	$ 1,240	$ 1,214	$ 2,485	$ 3,395
Performance Awards and Units [Member]
Compensation expense [Abstract]
Recognized compensation expense	406	324	535	(206)
Time-Vested Awards and Units [Member]
Compensation expense [Abstract]
Recognized compensation expense	$ 834	$ 890	$ 1,950	$ 3,189