Earnings Per Share (Calculation Of Net Income (Loss) Available To Common Stockholders Before Being Allocable Between Class A And Class B Common Shares) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Net income	$ 5,295	$ 4,053	$ 10,149	$ 8,834
Less: Preferred stock dividends		754		1,535
Net income available to common stockholders	$ 5,295	$ 3,299	$ 10,149	$ 7,299