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Deposits (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Demand non-interest bearing |  |  |
Domestic | $ 1,717,286 | $ 1,459,776 |
Foreign | 209,732 | 179,300 |
Total demand non-interest bearing | 1,927,018 | 1,639,076 |
Savings and interest bearing demand |  |  |
Domestic | 2,221,758 | 2,058,311 |
Foreign | 485,935 | 464,531 |
Total savings and interest bearing demand | 2,707,693 | 2,522,842 |
$100,000 or more |  |  |
Domestic | 1,022,450 | 1,054,649 |
Foreign | 1,244,018 | 1,242,524 |
Less than $100,000 |  |  |
Domestic | 664,111 | 741,399 |
Foreign | 380,802 | 399,068 |
Total time, certificates of deposit | 3,311,381 | 3,437,640 |
Total deposits | 7,946,092 | 7,599,558 |
Savings and interest bearing demand |  |  |
Domestic | 6,549 | 7,771 | 9,267
Foreign | 1,234 | 1,612 | 1,565
Total savings and interest bearing demand | 7,783 | 9,383 | 10,832
$100,000 or more |  |  |
Domestic | 10,299 | 14,839 | 18,091
Foreign | 11,512 | 17,084 | 23,315
Less than $100,000 |  |  |
Domestic | 7,468 | 11,416 | 15,600
Foreign | 2,277 | 3,628 | 5,249
Total time, certificates of deposit | 31,556 | 46,967 | 62,255
Total interest expense on deposits | $ 39,339 | $ 56,350 | $ 73,087

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