Revenue From Contracts With Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Total interest income	$ 517,788	$ 322,904
Service charges on deposit accounts	3,573	3,571
Other commissions and fees	10,344	11,580
Leased equipment income	13,857	13,094
Gain on sale of loans and leases	2,962	60
Net realized gains (losses)	0	104
Other income	4,890	3,155
Total noninterest income	36,391	20,818
Revenues	554,179	343,722
Service charges on deposit accounts	8,274	7,342
Dividends and Gains (Losses) on Equity Investments	1,098	(11,375)
Warrant (loss) income	(333)	629
Interest Income
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	0	0
Service charges on deposit accounts
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	3,573	3,571
Other commissions and fees
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	4,432	3,773
Leased equipment income
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	0	0
Gain on sale of loans
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	0	0
Gain on sale of securities
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	0	0
Other income
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	269	(2)
Noninterest Income
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	8,274	7,342
Dividends and Gains (Losses) on Equity Investments
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	0	0
Warranty Income
Disaggregation of Revenue [Line Items]
Service charges on deposit accounts	$ 0	$ 0