Consolidated Statements Of Condition (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Fair Value	$ 1,138,396	$ 1,036,096
Preferred stock, authorized (in shares)	20,000,000	20,000,000
Preferred stock, issued (in shares)	5,000,000	5,000,000
Preferred stock, outstanding (in shares)	5,000,000	5,000,000
Common stock, stated value (in usd per share)	$ 1.00	$ 1.00
Common stock, authorized (in shares)	100,000,000	100,000,000
Common stock, issued (in shares)	57,950,803	56,518,119
Treasury stock (in shares)	128,912	110,561
Series D preferred stock
Preferred stock, liquidation value (in usd per share)	$ 25	$ 25
Preferred stock, issued (in shares)	5,000,000	5,000,000
Preferred stock, outstanding (in shares)	5,000,000	5,000,000