Revenue From Contracts With Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Total interest income	$ 446,084	$ 410,044	$ 1,503,760	$ 1,083,466
Service charges on deposit accounts	4,018	3,608	11,906	10,813
Other commissions and fees	7,641	10,034	29,226	32,427
Leased equipment income	14,554	12,835	50,798	38,264
(Loss) gain on sale of loans and leases	(1,901)	58	(157,820)	130
Net realized gains (losses)	0	86	0	(1,019)
Other income	15,440	8,478	22,595	14,682
Total noninterest income (loss)	43,808	38,619	(47,883)	93,783
Revenues	489,892	448,663	1,455,877	1,177,249
Service charges on deposit accounts	8,109	7,801	25,062	22,843
Dividends and Gains (Losses) on Equity Investments	3,837	3,228	7,593	(4,050)
Warrant (loss) income	(88)	292	(545)	2,536
LOCOM HFS Adjustment	307	0	(11,636)	0
Products and services transferred at a point in time	3,698	3,718	11,899	11,415
Products and services transferred over time	4,411	4,083	13,163	11,428
Interest Income
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	0	0	0	0
Service charges on deposit accounts
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	4,018	3,608	11,906	10,813
Other commissions and fees
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	3,974	3,834	12,528	11,608
Leased equipment income
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	0	0	0	0
Gain on sale of loans
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	0	0	0	0
Gain on sale of securities
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	0	0	0	0
Other income
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	117	359	628	422
Noninterest Income
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	8,109	7,801	25,062	22,843
Dividends and Gains (Losses) on Equity Investments
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	0	0	0	0
Warranty Income
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	0	0	0	0
LOCOM HFS Adjustment Group
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	$ 0	$ 0	$ 0	$ 0