Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Assets
Cash and due from banks	$ 128,896	$ 177,240
Short-term investments and interest-bearing deposits	1,305,170	416,538
Securities available-for-sale (amortized cost of $1,060,975 at September 30, 2020 and $1,443,730 at December 31, 2019)	1,080,540	1,451,842
Loans	15,565,779	15,075,481
Less: Allowance for loan losses	(179,130)	(123,224)
Unamortized deferred loan fees, net	(4,210)	(626)
Loans, net	15,382,439	14,951,631
Equity securities	22,964	28,005
Federal Home Loan Bank stock	17,250	18,090
Other real estate owned, net	4,918	10,244
Affordable housing investments and alternative energy partnerships, net	325,013	308,681
Premises and equipment, net	103,438	104,239
Customers’ liability on acceptances	12,973	10,694
Accrued interest receivable	57,102	53,541
Goodwill	372,189	372,189
Other intangible assets, net	5,631	6,296
Right-of-use assets - operating leases	32,591	33,990
Other assets	167,124	150,924
Total assets	19,018,238	18,094,144
Deposits:
Non-interest-bearing demand deposits	3,306,421	2,871,444
Interest-bearing deposits:
NOW deposits	1,767,227	1,358,152
Money market deposits	3,227,359	2,260,764
Savings deposits	784,076	758,903
Time deposits	6,949,165	7,443,045
Total deposits	16,034,248	14,692,308
Short-term borrowings	0	25,683
Advances from the Federal Home Loan Bank	230,000	670,000
Other borrowings of affordable housing investments	23,788	29,022
Long-term debt	119,136	119,136
Deferred payments from acquisition	0	7,644
Acceptances outstanding	12,973	10,694
Lease liabilities - operating leases	35,116	35,873
Other liabilities	188,254	209,501
Total liabilities	16,643,515	15,799,861
Commitments and contingencies	0	0
Stockholders’ Equity
Common stock, $0.01 par value, 100,000,000 shares authorized; 90,394,359 issued and 79,659,396 outstanding at September 30, 2020, and 90,064,382 issued and 79,729,419 outstanding at December 31, 2019	904	900
Additional paid-in-capital	955,742	950,466
Accumulated other comprehensive income, net	6,389	2,302
Retained earnings	1,743,106	1,659,153
Treasury stock, at cost (10,734,963 shares at September 30, 2020, and 10,334,963 shares at December 31, 2019)	(331,418)	(318,538)
Total equity	2,374,723	2,294,283
Total liabilities and equity	$ 19,018,238	$ 18,094,144