|
Consolidated Statements of Condition (Unaudited) (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified |
Mar. 31, 2014
|
Dec. 31, 2013
|
|---|---|---|
| Statement of Financial Position [Abstract] | ||
| Held-to-Maturity, Fair Value (in dollars) | $ 4,774,032 | $ 4,697,587 |
| Common Stock, par value (in dollars per share) | $ 0.01 | $ 0.01 |
| Common Stock, authorized shares | 500,000,000 | 500,000,000 |
| Common Stock, issued shares | 57,620,212 | 57,480,846 |
| Common Stock, outstanding shares | 44,467,593 | 44,490,385 |
| Treasury Stock, Shares | 13,152,619 | 12,990,461 |