Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Assets
Cash and due from banks	$ 199,713,000	$ 247,056,000
Short-term investments and interest bearing deposits	524,012,000	292,745,000
Cash and cash equivalents	723,725,000	539,801,000
Securities available-for-sale (amortized cost of $1,271,291 at March 31, 2018 and $1,336,345 at December 31, 2017	1,241,105,000	1,333,626,000
Loans held for sale		8,000,000
Loans	13,014,539,000	12,870,290,000
Less: Allowance for loan losses	(122,084,000)	(123,279,000)
Unamortized deferred loan fees, net	(3,289,000)	(3,245,000)
Loans, net	12,889,166,000	12,743,766,000
Equity securities	24,154,000	28,100,000
Federal Home Loan Bank stock	17,250,000	23,085,000
Other real estate owned, net	9,291,000	9,442,000
Affordable housing investments and alternative energy partnerships, net	271,780,000	272,871,000
Premises and equipment, net	101,926,000	103,064,000
Customers’ liability on acceptances	15,074,000	13,482,000
Accrued interest receivable	45,386,000	45,307,000
Goodwill	372,189,000	372,189,000
Other intangible assets, net	7,803,000	8,062,000
Other assets	163,488,000	167,491,000
Total assets	15,882,337,000	15,640,186,000
Deposits
Non-interest-bearing demand deposits	2,741,321,000	2,783,127,000
Interest-bearing deposits:
Demand deposits	1,398,076,000	1,410,519,000
Money market deposits	2,203,948,000	2,248,271,000
Savings deposits	801,054,000	857,199,000
Time deposits	5,867,852,000	5,390,777,000
Total deposits	13,012,251,000	12,689,893,000
Securities sold under agreements to repurchase	100,000,000	100,000,000
Advances from Federal Home Loan Banks, Total	325,000,000	430,000,000
Other borrowings of affordable housing investments	17,434,000	17,481,000
Long-term debt	194,136,000	194,136,000
Deferred payments from acquisition	35,744,000	35,404,000
Acceptances outstanding	15,074,000	13,482,000
Other liabilities	172,906,000	186,486,000
Total liabilities	13,872,545,000	13,666,882,000
Commitments and contingencies
Stockholders’ Equity
Common stock, $0.01 par value, 100,000,000 shares authorized, 89,417,641 issued and 81,206,998 outstanding at March 31, 2018, and 89,104,022 issued and 80,893,379 outstanding at December 31, 2017	894,000	891,000
Additional paid-in-capital	934,335,000	932,874,000
Accumulated other comprehensive loss, net	(20,906,000)	(2,511,000)
Retained earnings	1,335,058,000	1,281,639,000
Treasury stock, at cost (8,210,643 shares at March 31, 2018, and at December 31, 2017)	(239,589,000)	(239,589,000)
Total equity	2,009,792,000	1,973,304,000
Total liabilities and equity	$ 15,882,337,000	$ 15,640,186,000