CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Assets
Cash and due from banks	$ 981,126	$ 1,272,134
Debt securities available-for-sale, at estimated fair value	314,620	183,302
Debt securities held-to-maturity, net of allowance for securities credit losses of $1,503 at September 30, 2021 and $1,715 at December 31, 2020 (estimated fair value of $1,143,381 at September 30, 2021 and $968,466 at December 31, 2020)	1,125,382	937,253
Equity investments	101,314	107,079
Restricted equity investments, at cost	53,017	51,705
Loans receivable, net of allowance for loan credit losses of $50,153 at September 30, 2021 and $60,735 at December 31, 2020	8,139,961	7,704,857
Loans held-for-sale	13,428	45,524
Interest and dividends receivable	32,512	35,269
Other real estate owned	106	106
Premises and equipment, net	123,669	107,094
Bank owned life insurance	260,072	265,253
Assets held for sale	4,613	5,782
Goodwill	500,319	500,319
Core deposit intangible	19,558	23,668
Other assets	159,991	208,968
Total assets	11,829,688	11,448,313
Liabilities and Stockholders’ Equity
Deposits	9,774,097	9,427,616
Securities sold under agreements to repurchase with retail customers	143,292	128,454
Other borrowings	228,887	235,471
Advances by borrowers for taxes and insurance	22,214	17,296
Other liabilities	147,949	155,346
Total liabilities	10,316,439	9,964,183
Stockholders’ equity:
Preferred stock, $0.01 par value, $1,000 liquidation preference, 5,000,000 shares authorized, and 57,370 shares issued at both September 30, 2021 and December 31, 2020	1	1
Common stock, $0.01 par value, 150,000,000 shares authorized, 61,526,126 and 61,040,894 shares issued at September 30, 2021 and December 31, 2020, respectively; and 59,417,266 and 60,392,043 shares outstanding at September 30, 2021 and December 31, 2020, respectively	611	609
Additional paid-in capital	1,145,448	1,137,715
Retained earnings	430,721	378,268
Accumulated other comprehensive (loss) income	(734)	621
Less: Unallocated common stock held by Employee Stock Ownership Plan ("ESOP")	(6,519)	(7,433)
Treasury stock, 2,108,860 and 648,851 shares at September 30, 2021 and December 31, 2020, respectively	(56,279)	(25,651)
Total stockholders’ equity	1,513,249	1,484,130
Total liabilities and stockholders’ equity	$ 11,829,688	$ 11,448,313