CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating activities
Net income from continuing operations	$ 192,296	$ 130,213	$ 110,441
Net income from discontinued operations, net of tax			212
Adjustments to reconcile net income to net cash used in operating activities
Depreciation and amortization	3,472	3,300	3,301
Provision for credit losses on loans and security	18,330	7,108	3,110
Net amortization of investment securities discounts/premiums	1,023	1,704	3,458
Stock-based compensation expense	11,392	7,592	8,626
Realized gains on commercial loans, at fair value	(6,954)	(18,635)	(12,929)
Deferred income tax (benefit) expense	(5,681)	5,870	1,402
Gain from discontinued operations		(4)	(1,546)
Loss on sale of other real estate owned			315
Write-down of other real estate owned	1,147
Change in fair value of commercial loans, at fair value	3,085	6,065	1,510
Change in fair value of derivatives	124	(961)	(1,671)
Loss on sales of investment securities	4	6	7
(Increase) decrease in accrued interest receivable	(5,529)	(14,134)	2,587
Increase in other assets	(38,465)	(1,802)	(17,030)
Change in fair value of discontinued assets held-for-sale			498
Increase (decrease) in other liabilities	12,474	(5,340)	(18,399)
Net cash provided by operating activities	186,718	120,982	83,892
Investing activities
Purchase of investment securities available-for-sale	(48,989)	(24,183)	(259,059)
Proceeds from redemptions and prepayments of securities available-for-sale	71,082	161,110	492,258
Sale of repossessed assets	7,927	1,800	910
Proceeds from sale of other real estate owned	5,800	2,343	300
Net decrease (increase) in loans	142,326	(1,680,129)	(1,096,189)
Net decrease in discontinued loans held-for-sale			27,175
Commercial loans, at fair value drawn during the period	(134,256)	(66,067)	(127,765)
Payments on commercial loans, at fair value	384,353	782,157	645,330
Purchases of premises and equipment	(12,689)	(5,134)	(1,549)
Change in receivable from investment in unconsolidated entity			18
Return of investment in unconsolidated entity			7,337
Decrease in discontinued assets held-for-sale		4	5,332
Net cash provided by (used in) investing activities	415,554	(828,099)	(305,902)
Financing activities
Net (decrease) increase in deposits	(349,203)	1,053,202	514,851
Redemptions of senior debt offering	(3,273)
Proceeds from the issuance of common stock	104	320	3,428
Repurchases of common stock	(99,999)	(60,000)	(40,000)
Net cash (used in) provided by financing activities	(452,371)	993,522	478,279
Net increase in cash and cash equivalents	149,901	286,405	256,269
Cash and cash equivalents, beginning of period	888,189	601,784	345,515
Cash and cash equivalents, end of period	1,038,090	888,189	601,784
Supplemental disclosure:
Interest paid	156,269	57,601	11,709
Taxes paid	82,553	37,787	44,341
Non-cash investing and financing activities
Transfer of loans from investment in unconsolidated entity upon its dissolution			22,926
Transfer of real estate owned from investment in unconsolidated entity upon its dissolution			2,145
Transfer of loans from discontinued operations		61,580
Transfers of real estate owned from discontinued operations		17,343
Leased vehicles transferred to repossessed assets	$ 9,361	$ 2,008	$ 1,009