Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Assets
Cash and due from banks	$ 136,350	$ 177,240
Short-term investments and interest-bearing deposits	363,666	416,538
Securities available-for-sale (amortized cost of $1,330,232 at March 31, 2020 and $1,443,730 at December 31, 2019)	1,355,173	1,451,842
Loans	15,534,212	15,075,481
Less: Allowance for loan losses	(148,273)	(123,224)
Unamortized deferred loan fees, net	(277)	(626)
Loans, net	15,385,662	14,951,631
Equity securities	18,790	28,005
Federal Home Loan Bank stock	17,250	18,090
Other real estate owned, net	9,048	10,244
Affordable housing investments and alternative energy partnerships, net	294,639	308,681
Premises and equipment, net	103,481	104,239
Customers’ liability on acceptances	5,175	10,694
Accrued interest receivable	53,110	53,541
Goodwill	372,189	372,189
Other intangible assets, net	6,187	6,296
Right-of-use assets - operating leases	32,743	33,990
Other assets	142,996	150,924
Total assets	18,296,459	18,094,144
Deposits:
Non-interest-bearing demand deposits	2,860,580	2,871,444
Interest-bearing deposits:
NOW deposits	1,514,434	1,358,152
Money market deposits	2,482,950	2,260,764
Savings deposits	710,602	758,903
Time deposits	7,521,584	7,443,045
Total deposits	15,090,150	14,692,308
Short-term borrowings	12,898	25,683
Advances from the Federal Home Loan Bank	495,000	670,000
Other borrowings of affordable housing investments	28,981	29,022
Long-term debt	119,136	119,136
Deferred payments from acquisition	7,716	7,644
Acceptances outstanding	5,175	10,694
Lease liabilities - operating leases	34,790	35,873
Other liabilities	189,576	209,501
Total liabilities	15,983,422	15,799,861
Commitments and contingencies
Stockholders’ Equity
Common stock, $0.01 par value, 100,000,000 shares authorized; 90,155,230 issued and 79,420,267 outstanding at March 31, 2020, and 90,064,382 issued and 79,729,419 outstanding at December 31, 2019	902	900
Additional paid-in-capital	952,331	950,466
Accumulated other comprehensive loss, net	9,877	2,302
Retained earnings	1,681,345	1,659,153
Treasury stock, at cost (10,734,963 shares at March 31, 2020, and 10,334,963 shares at December 31, 2019)	(331,418)	(318,538)
Total equity	2,313,037	2,294,283
Total liabilities and equity	$ 18,296,459	$ 18,094,144