Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Assets
Cash and due from banks	$ 206,123	$ 225,333
Short-term investments and interest-bearing deposits	351,603	374,957
Securities available-for-sale (amortized cost of $1,468,452 at June 30, 2019 and $1,267,731 at December 31, 2018)	1,471,584	1,242,509
Loans	14,593,510	13,995,788
Less: Allowance for loan losses	(122,651)	(122,391)
Unamortized deferred loan fees, net	(1,415)	(1,565)
Loans, net	14,469,444	13,871,832
Equity securities	32,498	25,098
Federal Home Loan Bank stock	17,250	17,250
Other real estate owned, net	11,329	12,674
Affordable housing investments and alternative energy partnerships, net	301,410	282,734
Premises and equipment, net	102,919	103,189
Customers’ liability on acceptances	9,616	22,709
Accrued interest receivable	55,711	51,650
Goodwill	372,189	372,189
Other intangible assets, net	6,782	7,194
Right-of-use assets - operating leases	36,515	0
Other assets	161,033	175,419
Total assets	17,606,006	16,784,737
Deposits:
Non-interest-bearing demand deposits	2,758,344	2,857,443
Interest-bearing deposits:
NOW deposits	1,267,464	1,365,763
Money market deposits	1,909,097	2,027,404
Savings deposits	716,206	738,656
Time deposits	7,711,811	6,713,074
Total deposits	14,362,922	13,702,340
Advances from the Federal Home Loan Bank	550,000	530,000
Other borrowings of affordable housing investments	30,820	17,298
Long-term debt	169,761	189,448
Deferred payments from acquisition	18,843	18,458
Acceptances outstanding	9,616	22,709
Lease liabilities - operating leases	37,858	0
Other liabilities	226,889	182,618
Total liabilities	15,406,709	14,662,871
Commitments and contingencies	0	0
Stockholders’ Equity
Common stock, $0.01 par value, 100,000,000 shares authorized; 90,017,966 issued and 79,818,003 outstanding at June 30, 2019, and 89,826,317 issued and 80,501,948 outstanding at December 31, 2018	900	898
Additional paid-in-capital	945,250	942,062
Accumulated other comprehensive loss, net	(1,358)	(18,006)
Retained earnings	1,568,351	1,479,149
Treasury stock, at cost (10,199,963 shares at June 30, 2019, and 9,324,369 shares at December 31, 2018)	(313,846)	(282,237)
Total equity	2,199,297	2,121,866
Total liabilities and equity	$ 17,606,006	$ 16,784,737