Consolidated Statements Of Income (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Interest income:
Loans	$ 79,841	$ 80,387
MBS	15,335	20,034
Investments and cash equivalents	2,789	2,816
Total interest income	97,965	103,237
Interest expense:
Deposits	11,102	17,294
Short-term borrowings	2,206	80
Long-term borrowings	10,304	12,120
Total interest expense	23,612	29,494
Net interest income	74,353	73,743
Provision for credit losses	4,000	10,000
Net interest income after provision for credit losses	70,353	63,743
Noninterest income:
Fees and service charges	12,740	12,561
Mortgage banking operations	16,164	10,327
Loan servicing fees	2,380	1,101
BOLI	1,746	1,732
Gains on sales of securities, net	142	6,001
Gains on other loan sales	600	(1,350)
Other	(2,185)	(390)
Total noninterest income	31,587	29,982
Noninterest expense	88,649	88,308
Income before income taxes	13,291	5,417
Income tax expense	0	0
Net income	$ 13,291	$ 5,417
Earnings per share - basic	$ 0.21	$ 0.09
Earnings per share - diluted	$ 0.21	$ 0.09
Weighted average shares outstanding - basic	62,078,404	61,930,783
Weighted average shares outstanding - diluted	62,682,987	62,335,212