Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Assets [Abstract]
Cash and due from banks	$ 208,455	$ 270,975
Federal funds sold	2,960	5,706
Interest-earning deposits	260,540	487,489
Total cash and cash equivalents	471,955	764,170
Interest-earning deposits greater than 90 days	899	1,881
Securities available-for-sale	2,351,493	1,862,270
Securities held-to-maturity, net	1,081,847	928,935
Loans held-for-sale	681	110
Loans, before unearned loan fees	11,583,109	11,220,355
Allowance for credit losses on loans	(148,854)	(137,950)
Total loans, net	11,434,255	11,082,405
Other investments	94,127	72,784
Fixed assets, net	49,248	45,009
Goodwill	365,164	365,164
Intangible assets, net	6,140	8,484
Other assets	546,596	465,219
Total assets	16,402,405	15,596,431
Liabilities and Stockholders' Equity
Noninterest-bearing demand accounts	4,386,513	4,484,072
Interest-bearing demand accounts	3,301,621	3,175,292
Money market accounts	3,702,896	3,564,063
Savings accounts	525,709	553,461
Certificates of deposit:
Brokered	762,499	484,588
Customer	888,674	885,016
Total deposits	13,567,912	13,146,492
Subordinated debentures and notes	93,617	156,551
FHLB advances	327,000	0
Other borrowings	247,006	280,821
Other liabilities	184,538	188,565
Total liabilities	14,420,073	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; 37,010,585 and 36,987,728 shares issued and outstanding	370	370
Additional paid in capital	997,446	990,733
Retained earnings	980,548	877,629
Accumulated other comprehensive loss, net	(68,020)	(116,718)
Total stockholders’ equity	1,982,332	1,824,002
Total liabilities and stockholders’ equity	$ 16,402,405	$ 15,596,431