Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Assets
Cash and due from banks	$ 257,189	$ 225,333
Short-term investments and interest-bearing deposits	567,957	374,957
Securities available-for-sale (amortized cost of $1,422,431 at September 30, 2019 and $1,267,731 at December 31, 2018)	1,427,438	1,242,509
Loans held for sale	36,778	0
Loans	14,728,554	13,995,788
Less: Allowance for loan losses	(125,908)	(122,391)
Unamortized deferred loan fees, net	(1,081)	(1,565)
Loans, net	14,601,565	13,871,832
Equity securities	32,862	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	321,929	282,734
Premises and equipment, net	103,820	103,189
Customers’ liability on acceptances	12,503	22,709
Accrued interest receivable	52,337	51,650
Goodwill	372,189	372,189
Other intangible assets, net	6,821	7,194
Right-of-use assets - operating leases	34,518	0
Other assets	148,481	175,419
Total assets	18,004,966	16,784,737
Deposits:
Non-interest-bearing demand deposits	2,939,924	2,857,443
Interest-bearing deposits:
NOW deposits	1,282,267	1,365,763
Money market deposits	2,095,328	2,027,404
Savings deposits	721,547	738,656
Time deposits	7,619,203	6,713,074
Total deposits	14,658,269	13,702,340
Advances from the Federal Home Loan Bank	600,000	530,000
Other borrowings of affordable housing investments	30,767	17,298
Long-term debt	160,386	189,448
Deferred payments from acquisition	7,602	18,458
Acceptances outstanding	12,503	22,709
Lease liabilities - operating leases	36,142	0
Other liabilities	253,403	182,618
Total liabilities	15,759,072	14,662,871
Commitments and contingencies	0	0
Stockholders’ Equity
Common stock, $0.01 par value, 100,000,000 shares authorized; 90,041,474 issued and 79,706,511 outstanding at September 30, 2019, and 89,826,317 issued and 80,501,948 outstanding at December 31, 2018	900	898
Additional paid-in-capital	947,880	942,062
Accumulated other comprehensive loss, net	(833)	(18,006)
Retained earnings	1,616,485	1,479,149
Treasury stock, at cost (10,334,963 shares at September 30, 2019, and 9,324,369 shares at December 31, 2018)	(318,538)	(282,237)
Total equity	2,245,894	2,121,866
Total liabilities and equity	$ 18,004,966	$ 16,784,737