CONSOLIDATED STATEMENTS OF CONDITION (PARENTHETICAL) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Held To Maturity Securities Fair Value	$ 105,834	$ 102,653
Realizable Value Of Equity Securities	$ 173,771	$ 159,821
Preferred stock, shares authorized	30,000,000	30,000,000
Preferred stock, shares issued	2,006,391	2,006,391
Preferred stock, shares outstanding	2,006,391	2,006,391
Common Stock Par Or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock Shares Authorized	170,000,000	170,000,000
Common Stock Shares Issued	104,357,428	104,320,303
Common Stock Shares Outstanding	96,703,351	99,942,845
Treasury stock	7,654,077	4,377,458