Unaudited Condensed Consolidated Statements of Financial Condition - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Assets
Cash on hand and in banks	$ 227,745	$ 227,108
Interest bearing cash deposits	650,705	406,034
Cash and cash equivalents	878,450	633,142
Debt securities, available-for-sale	5,853,315	5,337,814
Debt securities, held-to-maturity	588,751	189,836
Total debt securities	6,442,066	5,527,650
Loans held for sale, at fair value	118,731	166,572
Loans receivable	11,269,929	11,122,696
Allowance for credit losses	(156,446)	(158,243)
Loans receivable, net	11,113,483	10,964,453
Premises and equipment, net	322,354	325,335
Other real estate owned	2,965	1,744
Accrued interest receivable	79,331	75,497
Core deposit intangible, net	53,021	55,509
Goodwill	514,013	514,013
Non-marketable equity securities	10,022	10,023
Bank-owned life insurance	122,843	123,763
Other assets	113,273	106,505
Total assets	19,770,552	18,504,206
Liabilities
Non-interest bearing deposits	6,040,440	5,454,539
Interest bearing deposits	10,063,884	9,342,990
Securities sold under agreements to repurchase	996,878	1,004,583
Other borrowed funds	33,452	33,068
Subordinated debentures	132,499	139,959
Accrued interest payable	2,590	3,305
Deferred tax liability	3,116	23,860
Other liabilities	202,308	194,861
Total liabilities	17,475,167	16,197,165
Commitments and Contingent Liabilities
Stockholders’ Equity
Preferred shares, $0.01 par value per share, 1,000,000 shares authorized, none issued or outstanding	0	0
Common stock, $0.01 par value per share, 117,187,500 shares authorized	955	954
Paid-in capital	1,495,438	1,495,053
Retained earnings - substantially restricted	719,072	667,944
Accumulated other comprehensive income	79,920	143,090
Total stockholders' equity	2,295,385	2,307,041
Total liabilities and stockholders' equity	$ 19,770,552	$ 18,504,206
Number of common stock shares issued and outstanding (in shares)	95,501,819	95,426,364