Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Cash flows from operating activities:
Net income			$ 48,393	$ 33,938
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	$ 2,763	$ 1,085	5,343	4,545
Changes in deferred tax, net			2,764	(1,252)
Share-based compensation			1,158	1,240
Loss on sale of investment securities available-for-sale		480	338	200
Gain on sale of SBA loans			(74)	(30)
Write-up of other real estate owned			(213)
Write-down of fixed assets			9
Accretion of premium on securities, net			(1,538)	(892)
Accretion of gain on terminated cash flow hedges			(2,415)	(2,029)
Accretion of loan fees			(9,527)	(5,349)
Amortization of subordinated debt origination costs			154	155
Depreciation and amortization			3,559	3,411
Earnings on bank-owned life insurance	(786)	(649)	(2,206)	(1,818)
Net change in operating leases			21	174
Net change in derivative assets and liabilities			699	582
Changes in operating assets and liabilities:
Accrued interest receivable and other assets			(10,196)	(6,840)
Accrued interest payable and other liabilities			8,830	12,727
Net cash provided by operating activities			45,099	38,762
Cash flows from investing activities:
Net increase (decrease) in interest bearing deposits in other banks			91	(353)
Net purchase of non-marketable equity securities			(10,177)	(8,287)
Investment securities available-for-sale activity:
Purchases			(5,155,118)	(2,559,409)
Sales		15,572	53,407	30,074
Maturities, calls and principal paydowns			5,117,060	2,419,966
Purchases of investment securities held-to-maturity			(206,074)
Proceeds from termination of derivative instruments			1,506	5,412
Net originations on loans held for investment			(199,496)	(247,201)
Net additions to bank premises and equipment			(1,580)	(1,171)
Proceeds from sales of foreclosed assets			655
Purchase of bank owned life insurance			(5,000)
Net cash used in investing activities			(404,726)	(360,969)
Cash flows from financing activities:
Net increase in deposits			62,243	191,290
Net advance (repayment) of line of credit - senior debt			2,000	(7,000)
Registration of Series A Preferred Stock issued in 2022 Private Placement				(108)
Forfeiture of restricted stock grants withheld to satisfy tax obligations			(32)	(27)
Proceeds from stock options exercised			779	216
Dividends paid on Series A preferred stock			(3,553)	(3,553)
Net cash (used in) provided by financing activities			61,437	180,818
Change in cash and cash equivalents			(298,190)	(141,389)
Cash and cash equivalents at beginning of period			421,202	411,845	$ 411,845
Cash and cash equivalents at end of period	$ 123,012	$ 270,456	123,012	270,456	421,202
Supplemental Disclosures of Cash Flow Information:
Cash paid for interest			118,039	123,011
Cash paid for income taxes			8,685	3,211
Supplemental Disclosure of Noncash Investing and Financing Activities:
Loans transferred to other real estate owned, net			7,968	283	$ 940
Right of use lease assets obtained in exchange for operating lease liabilities			$ 381	$ 831