Bank Loans (Tables)

12 Months Ended

Dec. 31, 2021

Receivables [Abstract]

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

	December 31, 2021						December 31, 2020
	Balance			Percent			Balance			Percent
Commercial and industrial	$	7,345,753			43.9	%	$	4,296,089			38.5	%
Residential real estate		5,482,026			32.7			3,956,670			35.4
Securities-based loans		2,880,158			17.2			1,933,974			17.3
Construction and land		511,084			3.1			501,681			4.5
Commercial real estate		409,847			2.4			366,485			3.3
Home equity lines of credit		82,508			0.5			75,507			0.7
Other		32,111			0.2			40,407			0.3
Gross bank loans		16,743,487			100.0	%		11,170,813			100.0	%
Unamortized loan discount, net		(150	)					(1,822	)
Loans in process		(10,134	)					(48,222	)
Unamortized loan fees, net		(6,012	)					(1,980	)
Allowance for loan losses		(99,344	)					(112,029	)
Loans held for investment, net	$	16,627,847					$	11,006,760

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, 2021 and 2020 (in thousands).

	Year Ended December 31, 2021
	Beginning Balance		Provision			Charge- offs			Recoveries		Ending Balance
Commercial and industrial	$	67,222	$	(8,462	)	$	(5,232	)	$	1	$	53,529
Residential real estate		16,300		12,260			—			—		28,560
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

	Year Ended December 31, 2020
	Beginning Balance		CECL Adoption			Provision			Charge- offs			Recoveries		Ending Balance
Commercial and industrial	$	69,949	$	(19,940	)	$	17,341		$	(153	)	$	25	$	67,222
Construction and land		4,613		2,674			9,988			—			—		17,275
Residential real estate		14,253		3,499			(1,452	)		—			—		16,300
Commercial real estate		3,564		791			4,225			—			—		8,580
Securities-based loans		2,361		1,346			(1,692	)		—			—		2,015
Home equity lines of credit		442		39			(195	)		—			88		374
Other		397		(145	)		49			(40	)		2		263
	$	95,579	$	(11,736	)	$	28,264		$	(193	)	$	115	$	112,029

Aging Of The Recorded Investment In Past Due Loans

	December 31, 2021
	30-89 Days Past Due		90 or More Days Past Due		Total Past Due		Current Balance		Total
Commercial and industrial	$	9,290	$	6,571	$	15,861	$	7,329,892		7,345,753
Residential real estate		6,194		1,332		7,526		5,474,500		5,482,026
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.

	December 31, 2020
	30 - 89 Days Past Due		90 or More Days Past Due		Total Past Due		Current Balance		Total
Commercial and industrial	$	14	$	12,237	$	12,251	$	4,283,838		4,296,089
Residential real estate		4,554		1,249		5,803		3,950,867		3,956,670
Securities-based loans		—		—		—		1,933,974		1,933,974
Construction and land		—		—		—		501,681		501,681
Commercial real estate		—		144		144		366,341		366,485
Home equity lines of credit		12		—		12		75,495		75,507
Other		31		—		31		40,376		40,407
Total	$	4,611	$	13,630	$	18,241	$	11,152,572	$	11,170,813

	December 31, 2020 *
	Nonaccrual		Restructured		Nonperforming loans with no allowance		Total
Commercial and industrial	$	12,251	$	—	$	—	$	12,251
Residential real estate		—		158		1,249		1,407
Commercial real estate		144		—		—		144
Total	$	12,395	$	158	$	1,249	$	13,802

* There were no loans past due 90 days and still accruing interest at December 31, 2020.

Risk Category Of Loan Portfolio

	December 31, 2021
	Pass		Special Mention		Substandard		Doubtful		Total
Commercial and industrial	$	7,193,435	$	38,000	$	107,747	$	6,571	$	7,345,753
Residential real estate		5,480,693		—		84		1,249		5,482,026
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

	December 31, 2020
	Pass		Special Mention		Substandard		Doubtful		Total
Commercial and industrial	$	3,995,351	$	105,759	$	182,728	$	12,251	$	4,296,089
Residential real estate		3,955,421		—		—		1,249		3,956,670
Securities-based loans		1,933,974		—		—		—		1,933,974
Construction and land		467,441		14,240		20,000		—		501,681
Commercial real estate		356,008		10,333		—		144		366,485
Home equity lines of credit		75,507		—		—		—		75,507
Other		40,407		—		—		—		40,407
Total	$	10,824,109	$	130,332	$	202,728	$	13,644	$	11,170,813

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, 2021
	2021		2020		2019		2018		2017		Prior		Revolving Loans Amortized Cost Basis		Total
Commercial and industrial:
Pass	$	1,811,189	$	370,279	$	319,732	$	450,087	$	239,314	$	287,333	$	3,715,501	$	7,193,435
Special Mention		—		—		30,000		8,000		—		—		—		38,000
Substandard		—		515		27,227		55,521		11,850		7,716		4,918		107,747
Doubtful		—		—		—		—		6,571		—		—		6,571
	$	1,811,189	$	370,794	$	376,959	$	513,608	$	257,735	$	295,049	$	3,720,419	$	7,345,753
Residential real estate:
Pass	$	2,732,407	$	1,234,315	$	579,526	$	241,934	$	199,960	$	492,551	$	—	$	5,480,693
Special Mention		—		—		—		—		—		—		—		—
Substandard		—		—		—		—		—		84		—		84
Doubtful		—		—		—				149		1,100		—		1,249
	$	2,732,407	$	1,234,315	$	579,526	$	241,934	$	200,109	$	493,735	$	—	$	5,482,026
Securities-based loans:
Pass	$	73,341	$	41,618	$	92,278	$	—	$	140	$	10,172	$	2,662,609	$	2,880,158
Special Mention		—		—		—		—		—		—		—		—
Substandard		—		—		—		—		—		—		—		—
Doubtful		—		—		—		—		—		—		—		—
	$	73,341	$	41,618	$	92,278	$	—	$	140	$	10,172	$	2,662,609	$	2,880,158
Construction and land:
Pass	$	33,187	$	127,479	$	182,290	$	65,880	$	61,858	$	6,150	$	—	$	476,844
Special Mention		—		—		—		14,240		—		—		—		14,240
Substandard		—		—		—		20,000		—		—		—		20,000
Doubtful		—		—		—		—		—		—		—		—
	$	33,187	$	127,479	$	182,290	$	100,120	$	61,858	$	6,150	$	—	$	511,084
Commercial real estate:
Pass	$	123,920	$	73,157	$	142,304	$	22,199	$	36,014	$	9,704	$	—	$	407,298
Special Mention		—		—		—		—		—		2,548		—		2,548
Substandard		—		—		—		—		—		—		—		—
Doubtful		—		—		—		1		—		—		—		1
	$	123,920	$	73,157	$	142,304	$	22,200	$	36,014	$	12,252	$	—	$	409,847
Home equity lines of credit:
Pass	$	—	$	—	$	—	$	—	$	—	$	—	$	82,479	$	82,479
Special Mention		—		—		—		—		—		—		29		29
Substandard		—		—		—		—		—		—		—		—
Doubtful		—		—		—		—		—		—		—		—
	$	—	$	—	$	—	$	—	$	—	$	—	$	82,508	$	82,508
Other:
Pass	$	782	$	10,000	$	—	$	286	$	—	$	19,156	$	1,887	$	32,111
Special Mention		—		—		—		—		—		—		—		—
Substandard		—		—		—		—		—		—		—		—
Doubtful		—		—		—		—		—		—		—		—
	$	782	$	10,000	$	—	$	286	$	—	$	19,156	$	1,887	$	32,111