Bank Loans (Tables)

12 Months Ended

Dec. 31, 2022

Receivables [Abstract]

Schedule Of Balance And Associated Percentage Of Each Major Loan Category In Bank Loan Portfolio

	December 31, 2022						December 31, 2021
	Balance			Percent			Balance			Percent
Residential real estate	$	7,371,671			35.8	%	$	5,482,026			32.7	%
Commercial and industrial		4,897,176			23.8			4,208,950			25.2
Fund banking		4,182,641			20.3			3,136,803			18.7
Securities-based loans		2,724,551			13.2			2,880,158			17.2
Commercial real estate		675,599			3.3			409,847			2.4
Construction and land		593,191			2.9			511,084			3.1
Home equity lines of credit		107,136			0.5			82,508			0.5
Other		50,593			0.2			32,111			0.2
Gross bank loans		20,602,558			100.0	%		16,743,487			100.0	%
Unamortized loan discount, net		—						(150	)
Loans in process		(3,526	)					(10,134	)
Unamortized loan fees, net		(22,287	)					(6,012	)
Allowance for loan losses		(111,653	)					(99,344	)
Loans held for investment, net	$	20,465,092					$	16,627,847

Activity In The Allowance For Loan Losses By Portfolio Segment

The following table details activity in the allowance for loan losses by portfolio segment for the years ended December 31, 2022 and 2021 (in thousands).

	Year Ended December 31, 2022
	Beginning Balance		Provision			Charge- offs			Recoveries		Ending Balance
Commercial and industrial	$	44,661	$	13,662		$	(4,550	)	$	370	$	54,143
Residential real estate		28,560		(8,119	)		—			—		20,441
Commercial real estate		3,934		8,963			—			—		12,897
Fund banking		8,868		2,843			—			—		11,711
Construction and land		8,536		32			—			—		8,568
Securities-based loans		4,006		(813	)		(36	)		—		3,157
Home equity lines of credit		511		(147	)		—			—		364
Other		268		104			—			—		372
	$	99,344	$	16,525		$	(4,586	)	$	370	$	111,653

	Year Ended December 31, 2021
	Beginning Balance		Provision			Charge- offs			Recoveries		Ending Balance
Commercial and industrial	$	62,557	$	(12,665	)	$	(5,232	)	$	1	$	44,661
Residential real estate		16,300		12,260			—			—		28,560
Fund banking		4,665		4,203			—			—		8,868
Construction and land		17,275		(8,739	)		—			—		8,536
Securities-based loans		2,015		1,991			—			—		4,006
Commercial real estate		8,580		(4,646	)		—			—		3,934
Home equity lines of credit		374		137			—			—		511
Other		263		5			—			—		268
	$	112,029	$	(7,454	)	$	(5,232	)	$	1	$	99,344

Aging Of The Recorded Investment In Past Due Loans

	December 31, 2022
	30-89 Days Past Due		90 or More Days Past Due		Total Past Due		Current Balance		Total
Residential real estate	$	2,445	$	688	$	3,133	$	7,368,538	$	7,371,671
Commercial and industrial		—		9,226		9,226		4,887,950		4,897,176
Fund banking		—		—		—		4,182,641		4,182,641
Securities-based loans		—		—		—		2,724,551		2,724,551
Commercial real estate		—		—		—		675,599		675,599
Construction and land		—		—		—		593,191		593,191
Home equity lines of credit		29		182		211		106,925		107,136
Other		36		6		42		50,551		50,593
Total	$	2,510	$	10,102	$	12,612	$	20,589,946	$	20,602,558

	December 31, 2022 *
	Nonaccrual		Restructured		Nonperforming loans with no allowance		Total
Commercial and industrial	$	9,226	$	—	$	—	$	9,226
Residential real estate		870		150		—		1,020
Other		6		—		—		6
Total	$	10,102	$	150	$	—	$	10,252

*There were no loans past due 90 days and still accruing interest at December 31, 2022.

	December 31, 2021
	30 - 89 Days Past Due		90 or More Days Past Due		Total Past Due		Current Balance		Total
Residential real estate	$	6,194	$	1,332	$	7,526	$	5,474,500	$	5,482,026
Commercial and industrial		9,290		6,571		15,861		4,193,089		4,208,950
Fund banking		—		—		—		3,136,803		3,136,803
Securities-based loans		—		—		—		2,880,158		2,880,158
Construction and land		—		—		—		511,084		511,084
Commercial real estate		—		1		1		409,846		409,847
Home equity lines of credit		—		—		—		82,508		82,508
Other		44		—		44		32,067		32,111
Total	$	15,528	$	7,904	$	23,432	$	16,720,055	$	16,743,487

	December 31, 2021 *
	Nonaccrual		Restructured		Nonperforming loans with no allowance		Total
Commercial and industrial	$	15,861	$	—	$	—	$	15,861
Residential real estate		1,332		154		—		1,486
Commercial real estate		—		—		1		1
Total	$	17,193	$	154	$	1	$	17,348

*There were no loans past due 90 days and still accruing interest at December 31, 2021.

Risk Category Of Loan Portfolio

	December 31, 2022
	Pass		Special Mention		Substandard		Doubtful		Total
Residential real estate	$	7,370,717	$	266	$	—	$	688	$	7,371,671
Commercial and industrial		4,743,290		87,761		56,899		9,226		4,897,176
Fund banking		4,182,641		—		—		—		4,182,641
Securities-based loans		2,724,548		—		—		3		2,724,551
Commercial real estate		655,599		20,000		—		—		675,599
Construction and land		593,191		—		—		—		593,191
Home equity lines of credit		106,954		—		—		182		107,136
Other		50,587		—		—		6		50,593
Total	$	20,427,527	$	108,027	$	56,899	$	10,105	$	20,602,558

	December 31, 2021
	Pass		Special Mention		Substandard		Doubtful		Total
Residential real estate	$	5,480,693	$	—	$	84	$	1,249	$	5,482,026
Commercial and industrial		4,056,632		38,000		107,747		6,571		4,208,950
Fund banking		3,136,803		—		—		—		3,136,803
Securities-based loans		2,880,158		—		—		—		2,880,158
Construction and land		476,844		14,240		20,000		—		511,084
Commercial real estate		407,298		2,548		—		1		409,847
Home equity lines of credit		82,479		29		—		—		82,508
Other		32,111		—		—		—		32,111
Total	$	16,553,018	$	54,817	$	127,831	$	7,821	$	16,743,487

Schedule of Term Loans Amortized Cost Basis by Origination Year and Revolving Cost Amortized Cost Basis

	Term Loans Amortized Cost Basis by Origination Year – December 31, 2022
	2022		2021		2020		2019		2018		Prior		Revolving Loans Amortized Cost Basis		Total
Residential real estate:
Pass	$	2,804,330	$	2,478,052	$	988,361	$	441,509	$	183,115	$	475,350	$	—	$	7,370,717
Special Mention		266		—		—		—		—		—		—		266
Substandard		—		—		—		—		—		—		—		—
Doubtful		—		—		—		—		—		688		—		688
	$	2,804,596	$	2,478,052	$	988,361	$	441,509	$	183,115	$	476,038	$	—	$	7,371,671
Commercial and industrial:
Pass	$	1,466,275	$	1,477,504	$	328,453	$	293,464	$	328,414	$	275,900	$	573,280	$	4,743,290
Special Mention		20		64,277		—		751		—		10,550		12,163		87,761
Substandard		—		10,739		—		4,366		33,244		—		8,550		56,899
Doubtful		—		—		451		—		8,775		—		—		9,226
	$	1,466,295	$	1,552,520	$	328,904	$	298,581	$	370,433	$	286,450	$	593,993	$	4,897,176
Fund banking:
Pass	$	55,000	$	—	$	1,695	$	—	$	—	$	—	$	4,125,946	$	4,182,641
Special Mention		—		—		—		—		—		—		—		—
Substandard		—		—		—		—		—		—		—		—
Doubtful		—		—		—		—		—		—		—		—
	$	55,000	$	—	$	1,695	$	—	$	—	$	—	$	4,125,946	$	4,182,641
Securities-based loans:
Pass	$	39,027	$	9,080	$	38,800	$	24,278	$	—	$	9,293	$	2,604,070	$	2,724,548
Special Mention		—		—		—		—		—		—		—		—
Substandard		—		—		—		—		—		—		—		—
Doubtful		—		—		—		—		—		—		3		3
	$	39,027	$	9,080	$	38,800	$	24,278	$	—	$	9,293	$	2,604,073	$	2,724,551
Commercial real estate:
Pass	$	406,580	$	108,265	$	32,510	$	20,828	$	43,479	$	43,937	$	—	$	655,599
Special Mention		20,000		—		—		—		—		—		—		20,000
Substandard		—		—		—		—		—		—		—		—
Doubtful		—		—		—		—		—		—		—		—
	$	426,580	$	108,265	$	32,510	$	20,828	$	43,479	$	43,937	$	—	$	675,599
Construction and land:
Pass	$	181,214	$	105,940	$	165,914	$	85,053	$	38,482	$	16,588	$	—	$	593,191
Special Mention		—		—		—		—		—		—		—		—
Substandard		—		—		—		—		—		—		—		—
Doubtful		—		—		—		—		—		—		—		—
	$	181,214	$	105,940	$	165,914	$	85,053	$	38,482	$	16,588	$	—	$	593,191
Home equity lines of credit:
Pass	$	—	$	—	$	—	$	—	$	—	$	—	$	106,954	$	106,954
Special Mention		—		—		—		—		—		—		—		—
Substandard		—		—		—		—		—		—		—		—
Doubtful		—		—		—		—		—		—		182		182
	$	—	$	—	$	—	$	—	$	—	$	—	$	107,136	$	107,136
Other:
Pass	$	9,995	$	—	$	10,000	$	—	$	2,431	$	25,393	$	2,768	$	50,587
Special Mention		—		—		—		—		—		—		—		—
Substandard		—		—		—		—		—		—		—		—
Doubtful		—		—		—		—		—		—		6		6
	$	9,995	$	—	$	10,000	$	—	$	2,431	$	25,393	$	2,774	$	50,593