Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
ASSETS
Cash and non-interest bearing balances due from banks	$ 215,381	$ 217,499
Interest bearing balances due from banks and federal funds sold	2,123,743	3,254,653
Cash and cash equivalents	2,339,124	3,472,152
Interest bearing balances due from banks - time	1,335	1,579
Investment securities:
Held-to-maturity, net of allowance for credit losses of $1,132 and $2,915 at June 30, 2021 and December 31, 2020, respectively	931,352	333,031
Available-for-sale securities	6,556,581	3,473,598
Total investments	7,487,933	3,806,629
Mortgage loans held for sale	36,011	137,378
Loans	11,386,352	12,900,897
Allowance for credit losses on loans	(227,239)	(238,050)
Net loans	11,159,113	12,662,847
Premises and equipment	429,587	441,692
Premises held for sale	6,090	15,008
Foreclosed assets and other real estate owned	15,239	18,393
Interest receivable	67,916	72,597
Bank owned life insurance	419,198	255,630
Goodwill	1,075,305	1,075,305
Other intangible assets	103,759	111,110
Other assets	282,549	289,432
Total assets	23,423,159	22,359,752
Deposits:
Non-interest bearing transaction accounts	4,893,959	4,482,091
Interest bearing transaction accounts and savings deposits	10,569,602	9,672,608
Time deposits	2,841,052	2,832,327
Total deposits	18,304,613	16,987,026
Federal funds purchased and securities sold under agreements to repurchase	187,215	299,111
Other borrowings	1,339,193	1,342,067
Subordinated notes and debentures	383,143	382,874
Other liabilities held for sale	0	154,620
Accrued interest and other liabilities	169,629	217,398
Total liabilities	20,383,793	19,383,096
Stockholders’ equity:
Preferred stock, 40,040,000 shares authorized; Series D, $0.01 par value, $1,000 liquidation value per share; 767 shares issued and outstanding at June 30, 2021 and December 31, 2020	767	767
Common stock, Class A, $0.01 par value; 175,000,000 shares authorized at June 30, 2021 and December 31, 2020; 108,386,669 and 108,077,662 shares issued and outstanding at June 30, 2021 and December 31, 2020, respectively	1,084	1,081
Surplus	2,021,128	2,014,076
Undivided profits	1,004,314	901,006
Accumulated other comprehensive income	12,073	59,726
Total stockholders’ equity	3,039,366	2,976,656
Total liabilities and stockholders’ equity	$ 23,423,159	$ 22,359,752