Consolidated Statements of Financial Condition - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
ASSETS
Cash and due from banks	$ 559,235	$ 404,355
Short-term investments	128,335	127,998
Total cash and cash equivalents	687,570	532,353
Available for sale debt securities, at fair value	1,216,936	1,105,489
Held to maturity debt securities, net (fair value of $463,993 at March 31, 2021 (unaudited) and $472,529 at December 31, 2020)	447,902	450,965
Equity securities, at fair value	1,026	971
Federal Home Loan Bank stock	48,998	59,489
Loans	9,803,536	9,822,890
Less allowance for credit losses	85,591	101,466
Net loans	9,717,945	9,721,424
Foreclosed assets, net	3,554	4,475
Banking premises and equipment, net	75,344	75,946
Accrued interest receivable	43,883	46,450
Intangible assets	465,335	466,212
Bank-owned life insurance	235,112	234,607
Other assets	186,840	221,360
Total assets	13,130,445	12,919,741
Deposits:
Demand deposits	7,932,146	7,395,508
Savings deposits	1,402,363	1,348,147
Certificates of deposit of $100,000 or more	604,732	717,216
Other time deposits	358,272	376,958
Total deposits	10,297,513	9,837,829
Mortgage escrow deposits	37,772	34,298
Borrowed funds	940,611	1,175,972
Subordinated debentures	25,173	25,135
Other liabilities	182,145	226,710
Total liabilities	11,483,214	11,299,944
Stockholders’ Equity:
Preferred stock, $0.01 par value, 50,000,000 shares authorized, none issued	0	0
Common stock, $0.01 par value, 200,000,000 shares authorized, 83,209,012 shares issued and 77,798,624 shares outstanding at March 31, 2021 and 77,611,107 outstanding at December 31, 2020	832	832
Additional paid-in capital	963,556	962,453
Retained earnings	748,574	718,090
Accumulated other comprehensive income	12,977	17,655
Treasury stock	(59,261)	(59,018)
Unallocated common stock held by the Employee Stock Ownership Plan	(19,447)	(20,215)
Common stock acquired by deferred compensation plans	(4,381)	(4,549)
Deferred compensation plans	4,381	4,549
Total stockholders’ equity	1,647,231	1,619,797
Total liabilities and stockholders’ equity	$ 13,130,445	$ 12,919,741