Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Assets
Cash and due from banks	$ 805,436	$ 975,343
Federal funds sold and securities purchased under reverse repurchase agreements	10,000	0
Securities available for sale, at fair value (amortized cost: $1,691,555 - 2024 $1,959,007-2023; allowance for credit losses (ACL): $0)	1,725,795	1,762,878
Securities held to maturity, net of ACL of $0 (fair value: $1,316,167 - 2024; $1,355,504-2023)	1,358,358	1,426,279
Loans held for sale (LHFS)	216,454	184,812
Loans held for investment (LHFI)	13,100,111	12,950,524
Less ACL, LHFI	157,929	139,367
Net LHFI	12,942,182	12,811,157
Premises and equipment, net	236,151	232,229
Mortgage servicing rights (MSR)	125,853	131,870
Goodwill	334,605	334,605
Identifiable intangible assets, net	153	236
Other real estate, net	3,920	6,867
Operating lease right-of-use assets	36,034	35,711
Other assets	685,431	752,568
Assets of discontinued operations	0	67,634
Total Assets	18,480,372	18,722,189
Deposits:
Noninterest-bearing	3,142,792	3,197,620
Interest-bearing	12,098,143	12,372,143
Total deposits	15,240,935	15,569,763
Federal funds purchased and securities sold under repurchase agreements	365,643	405,745
Other borrowings	443,458	483,230
Subordinated notes	123,647	123,482
Junior subordinated debt securities	61,856	61,856
ACL on off-balance sheet credit exposures	28,890	34,057
Operating lease liabilities	39,689	39,097
Other liabilities	196,158	331,085
Liabilities of discontinued operations	0	12,027
Total Liabilities	16,500,276	17,060,342
Shareholders' Equity
Common stock, no par value: Authorized: 250,000,000 shares Issued and outstanding: 61,206,606 shares - 2024; 61,071,173 shares - 2023	12,753	12,725
Capital surplus	163,156	159,688
Retained earnings	1,833,232	1,709,157
Accumulated other comprehensive income (loss), net of tax	(29,045)	(219,723)
Total Shareholders' Equity	1,980,096	1,661,847
Total Liabilities and Shareholders' Equity	$ 18,480,372	$ 18,722,189