Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Assets
Cash and due from banks	$ 167,886	$ 218,017
Short-term investments and interest bearing deposits	573,059	967,067
Securities available-for-sale (amortized cost of $1,364,955 in 2017 and $1,317,012 in 2016)	1,368,487	1,314,345
Loans held for sale		7,500
Loans	12,597,434	11,201,275
Less: Allowance for loan losses	(121,535)	(118,966)
Unamortized deferred loan fees, net	(3,424)	(4,994)
Loans, net	12,472,475	11,077,315
Federal Home Loan Bank stock	30,681	17,250
Other real estate owned, net	18,115	20,070
Affordable housing investments and alternative energy partnerships, net	298,426	251,077
Premises and equipment, net	107,954	105,607
Customers’ liability on acceptances	12,009	12,182
Accrued interest receivable	42,190	37,299
Goodwill	372,189	372,189
Other intangible assets, net	9,408	2,949
Other assets	255,538	117,902
Total assets	15,728,417	14,520,769
Deposits
Non-interest-bearing demand deposits	2,730,006	2,478,107
Interest-bearing deposits:
Demand deposits	1,379,100	1,230,445
Money market deposits	2,370,724	2,198,938
Savings deposits	925,312	719,949
Time deposits	5,156,553	5,047,287
Total deposits	12,561,695	11,674,726
Securities sold under agreements to repurchase	100,000	350,000
Advances from the Federal Home Loan Bank	595,000	350,000
Other borrowings of affordable housing investments	17,518	17,662
Long-term debt	119,136	119,136
Deferred payments from acquisition	136,056
Acceptances outstanding	12,009	12,182
Other liabilities	218,304	168,524
Total liabilities	13,759,718	12,692,230
Commitments and contingencies
Stockholders’ Equity
Common stock, $0.01 par value, 100,000,000 shares authorized, 89,027,259 issued and 80,816,616 outstanding at September 30, 2017, and 87,820,920 issued and 79,610,277 outstanding at December 31, 2016	890	878
Additional paid-in-capital	932,521	895,480
Accumulated other comprehensive loss, net	(217)	(3,715)
Retained earnings	1,275,094	1,175,485
Treasury stock, at cost (8,210,643 shares at September 30, 2017, and at December 31, 2016)	(239,589)	(239,589)
Total equity	1,968,699	1,828,539
Total liabilities and equity	$ 15,728,417	$ 14,520,769