Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Assets
Cash and due from banks	$ 134,141	$ 138,616
Short-term investments and interest-bearing deposits	2,315,563	1,282,462
Securities available-for-sale (amortized cost of $1,126,867 in 2021 and $1,019,230 in 2020)	1,127,309	1,036,550
Loans	16,342,479	15,644,396
Less: Allowance for loan losses	(136,157)	(166,538)
Unamortized deferred loan fees, net	(4,321)	(2,494)
Loans, net	16,202,001	15,475,364
Equity securities	22,319	23,744
Federal Home Loan Bank stock	17,250	17,250
Other real estate owned, net	4,368	4,918
Affordable housing investments and alternative energy partnerships, net	299,211	309,016
Premises and equipment, net	99,402	102,998
Customers’ liability on acceptances	8,112	13,753
Accrued interest receivable	56,994	59,032
Goodwill	372,189	372,189
Other intangible assets, net	4,627	5,434
Right-of-use assets- operating leases	27,834	30,919
Other assets	195,403	170,889
Total assets	20,886,723	19,043,134
Deposits:
Non-interest-bearing demand deposits	4,492,054	3,365,086
Interest-bearing deposits:
NOW deposits	2,522,442	1,926,135
Money market deposits	4,611,579	3,359,191
Savings deposits	915,515	785,672
Time deposits	5,517,252	6,673,317
Total deposits	18,058,842	16,109,401
Advances from the Federal Home Loan Bank	20,000	150,000
Other borrowings for affordable housing investments	23,145	23,714
Long-term debt	119,136	119,136
Acceptances outstanding	8,112	13,753
Lease liabilities - operating leases	30,694	33,484
Other liabilities	180,543	175,502
Total liabilities	18,440,472	16,624,990
Commitments and contingencies
Stockholders’ Equity
Common stock, $0.01 par value, 100,000,000 shares authorized, 90,871,860 issued and 75,750,862 outstanding at December 31, 2021, and 90,643,206 issued and 79,508,265 outstanding at December 31, 2020	909	906
Additional paid-in-capital	972,474	964,734
Accumulated other comprehensive income, net	(3,065)	5,310
Retained earnings	1,985,168	1,789,325
Treasury stock, at cost (15,120,998 shares at December 31, 2021, and 11,134,941 shares at December 31, 2020)	(509,235)	(342,131)
Total equity	2,446,251	2,418,144
Total liabilities and equity	$ 20,886,723	$ 19,043,134