Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Assets [Abstract]
Cash and due from banks	$ 260,280	$ 270,975
Federal funds sold	8,110	5,706
Interest-earning deposits	213,280	487,489
Total cash and cash equivalents	481,670	764,170
Interest-earning deposits greater than 90 days	1,390	1,881
Securities available-for-sale	1,990,068	1,862,270
Securities held-to-maturity, net	1,034,282	928,935
Loans held-for-sale	0	110
Loans, before unearned loan fees	11,298,763	11,220,355
Allowance for credit losses on loans	(142,944)	(137,950)
Total loans, net	11,155,819	11,082,405
Other investments	84,413	72,784
Fixed assets, net	48,083	45,009
Goodwill	365,164	365,164
Intangible assets, net	7,628	8,484
Other assets	508,077	465,219
Total assets	15,676,594	15,596,431
Liabilities and Stockholders' Equity
Noninterest-bearing demand accounts	4,285,061	4,484,072
Interest-bearing demand accounts	3,193,903	3,175,292
Money market accounts	3,632,068	3,564,063
Savings accounts	535,307	553,461
Certificates of deposit:
Brokered	542,172	484,588
Customer	845,719	885,016
Total deposits	13,034,230	13,146,492
Subordinated debentures and notes	156,695	156,551
FHLB advances	205,000	0
Other borrowings	255,635	280,821
Other liabilities	156,961	188,565
Total liabilities	13,808,521	13,772,429
Commitments and contingent liabilities (Note 5)
Stockholders’ equity:
Preferred stock, $0.01 par value; 5,000,000 shares authorized; 75,000 shares issued and outstanding ($1,000 per share liquidation preference)	71,988	71,988
Common stock, $0.01 par value; 75,000,000 shares authorized; 36,928,241 and 36,987,728 shares issued and outstanding	369	370
Additional paid in capital	988,554	990,733
Retained earnings	908,553	877,629
Accumulated other comprehensive loss, net	(101,391)	(116,718)
Total stockholders’ equity	1,868,073	1,824,002
Total liabilities and stockholders’ equity	$ 15,676,594	$ 15,596,431