CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (UNAUDITED) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Assets
Cash and due from banks	$ 1,184,183	$ 243,603
Mortgage-backed securities available-for-sale, at fair value	863,239	426,979
Investment securities available-for-sale, at fair value	398,549	111,882
Marketable equity securities, at fair value		5,970
Loans held for sale	29,335	5,903
Loans held for investment, net:
Loans	9,546,631	5,622,044
Allowance for credit losses	(92,760)	(41,461)
Total loans held for investment, net	9,453,871	5,580,583
Premises and fixed assets, net	51,127	19,053
Premises held for sale	2,799
Restricted stock	22,449	60,707
Bank Owned Life Insurance ("BOLI")	293,113	156,096
Goodwill	155,339	55,638
Other intangible assets	9,792
Operating lease assets	69,189	33,898
Derivative assets	45,439	18,932
Accrued interest receivable	47,209	34,815
Other assets	78,052	27,551
Total assets	12,703,685	6,781,610
Due to depositors:
Interest-bearing deposits	7,377,121	3,744,371
Non-interest-bearing deposits	3,689,072	780,751
Total deposits	11,066,193	4,525,122
Federal Home Loan Bank of New York ("FHLBNY") advances	25,000	1,204,010
Other short-term borrowings	1,841	120,000
Subordinated debt, net	197,188	114,052
Operating lease liabilities	72,170	39,874
Derivative liabilities	42,892	37,374
Other liabilities	94,125	40,082
Total liabilities	11,499,409	6,080,514
Commitments and contingencies
Stockholders' equity:
Preferred stock, Series A ($0.01 par, $25.00 liquidation value, 10,000,000 shares authorized and 5,299,200 shares issued and outstanding at June 30, 2021 and December 31, 2020)	116,569	116,569
Common stock ($0.01 par 80,000,000 shares authorized, 41,589,687 shares and 34,813,302 shares issued at June 30, 2021 and December 31, 2020, respectively, and 41,159,568 shares and 21,232,984 shares outstanding at June 30, 2021 and December 31, 2020, respectively)	416	348
Additional paid-in capital	492,848	278,295
Retained earnings	613,791	600,641
Accumulated other comprehensive gain (loss), net of deferred taxes	4,576	(5,924)
Unearned equity awards	(8,529)
Common stock held by the Benefit Maintenance Plan ("BMP")		(1,496)
Treasury stock, at cost (430,119 shares and 13,580,318 shares at June 30, 2021 and December 31, 2020, respectively)	(15,395)	(287,337)
Total stockholders' equity	1,204,276	701,096
Total liabilities and stockholders' equity	12,703,685	6,781,610
Real estate
Loans held for investment, net:
Loans	8,179,487	4,978,195
Commercial and industrial ("C&I") loans
Loans held for investment, net:
Loans	1,343,869	641,533
Other loans
Loans held for investment, net:
Loans	$ 23,275	$ 2,316