Consolidated Statements of Financial Condition - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Assets
Cash and due from banks	$ 199,684	$ 211,189
Interest-bearing deposits in other banks	126,966	78,069
Equity securities, at fair value	40,690	30,806
Securities available-for-sale, at fair value	2,793,316	2,272,009
Securities held-to-maturity, at amortized cost	23,277	10,176
Federal Home Loan Bank (FHLB) and Federal Reserve Bank (FRB) stock, at cost	109,466	80,302
Loans	12,519,604	11,446,783
Allowance for loan losses	(105,729)	(102,219)
Net loans	12,413,875	11,344,564
Other real estate owned (OREO)	15,313	12,821
Premises, furniture, and equipment, net	148,347	132,502
Investment in bank-owned life insurance (BOLI)	297,118	296,733
Goodwill and other intangible assets	878,802	790,744
Accrued interest receivable and other assets	415,379	245,734
Total assets	17,462,233	15,505,649
Liabilities
Noninterest-bearing deposits	3,748,316	3,642,989
Interest-bearing deposits	9,440,272	8,441,123
Total deposits	13,188,588	12,084,112
Borrowed funds	1,407,378	906,079
Senior and subordinated debt	233,538	203,808
Accrued interest payable and other liabilities	332,156	256,652
Total liabilities	15,161,660	13,450,651
Stockholders' Equity
Common stock	1,204	1,157
Additional paid-in capital	1,205,396	1,114,580
Retained earnings	1,304,756	1,192,767
Accumulated other comprehensive loss, net of tax	(2,810)	(52,512)
Treasury stock, at cost	(207,973)	(200,994)
Total stockholders' equity	2,300,573	2,054,998
Total liabilities and stockholders' equity	$ 17,462,233	$ 15,505,649
Stockholders' Equity, Number of Shares, Par Value, and Other Disclosures
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Common stock, shares authorized (in shares)	250,000,000	250,000,000
Common stock, shares issued (in shares)	120,407,000	115,672,000
Common stock, shares outstanding (in shares)	110,589,000	106,375,000
Treasury stock, shares (in shares)	9,818,000	9,297,000