Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Assets
Cash and due from banks	$ 479,637	$ 2,266,829
Federal funds sold and securities purchased under reverse repurchase agreements	10,098	0
Securities available for sale, at fair value (amortized cost: $2,776,415 - 2022 $3,256,289 - 2021; allowance for credit losses (ACL): $0)	2,444,486	3,238,877
Securities held to maturity, net of ACL of $0 (fair value: $1,065,828 - 2022; $353,511 - 2021)	1,156,985	342,537
Paycheck Protection Program (PPP) loans	4,798	33,336
Loans held for sale (LHFS)	165,213	275,706
Loans held for investment (LHFI)	11,586,064	10,247,829
Less ACL, LHFI	115,050	99,457
Net LHFI	11,471,014	10,148,372
Premises and equipment, net	210,761	205,644
Mortgage servicing rights (MSR)	132,615	87,687
Goodwill	384,237	384,237
Identifiable intangible assets, net	3,952	5,074
Other real estate, net	2,971	4,557
Operating lease right-of-use assets	37,282	34,603
Other assets	686,585	568,177
Total Assets	17,190,634	17,595,636
Deposits:
Noninterest-bearing	4,358,805	4,771,065
Interest-bearing	10,066,375	10,316,095
Total deposits	14,425,180	15,087,160
Federal funds purchased and securities sold under repurchase agreements	544,068	238,577
Other borrowings	223,172	91,025
Subordinated notes	123,207	123,042
Junior subordinated debt securities	61,856	61,856
ACL on off-balance sheet credit exposures	31,623	35,623
Operating lease liabilities	39,797	36,468
Other liabilities	232,786	180,574
Total Liabilities	15,681,689	15,854,325
Shareholders' Equity
Authorized: 250,000,000 shares Issued and outstanding: 60,953,864 shares 2022; 61,648,679 shares - 2021	12,700	12,845
Capital surplus	154,150	175,913
Retained earnings	1,648,507	1,585,113
Accumulated other comprehensive income (loss), net of tax	(306,412)	(32,560)
Total Shareholders' Equity	1,508,945	1,741,311
Total Liabilities and Shareholders' Equity	$ 17,190,634	$ 17,595,636