Bank Loans (Tables)

9 Months Ended

Sep. 30, 2019

Receivables [Abstract]

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

	September 30, 2019						December 31, 2018
	Balance			Percent			Balance			Percent
Commercial and industrial	$	3,315,706			36.0	%	$	3,304,234			38.5	%
Residential real estate		3,043,271			33.1			2,875,014			33.5
Securities-based loans		1,986,339			21.6			1,786,966			20.8
Commercial real estate		387,868			4.2			318,961			3.7
Construction and land		293,116			3.2			138,245			1.6
Home equity lines of credit		50,518			0.5			38,098			0.4
Other		120,814			1.4			120,129			1.5
Gross bank loans		9,197,632			100.0	%		8,581,647			100.0	%
Unamortized loan discount, net		(8,418	)					(12,155	)
Loans in process		2,450						27,984
Unamortized loan fees, net		1,599						5,972
Allowance for loan losses		(91,360	)					(85,833	)
Bank loans, net	$	9,101,903					$	8,517,615

Activity In The Allowance For Loan Losses By Portfolio Segment

	Three Months Ended September 30, 2019
	Beginning Balance		Provision			Charge-offs			Recoveries		Ending Balance
Commercial and industrial	$	69,263	$	(1,070	)	$	(21	)	$	—	$	68,172
Residential real estate		12,042		519			—			1		12,562
Securities-based loans		2,311		(130	)		—			—		2,181
Commercial real estate		2,478		425			—			—		2,903
Construction and land		2,402		865			—			—		3,267
Home equity lines of credit		421		13			—			1		435
Other		179		38			(35	)		13		195
Qualitative		1,376		269			—			—		1,645
	$	90,472	$	929		$	(56	)	$	15	$	91,360

	Nine Months Ended September 30, 2019
	Beginning Balance		Provision			Charge-offs			Recoveries		Ending Balance
Commercial and industrial	$	68,367	$	(116	)	$	(79	)	$	—	$	68,172
Residential real estate		11,228		1,246			—			88		12,562
Securities-based loans		1,978		203			—			—		2,181
Commercial real estate		1,778		1,125			—			—		2,903
Construction and land		1,241		2,026			—			—		3,267
Home equity lines of credit		310		123			—			2		435
Other		88		156			(87	)		38		195
Qualitative		843		802			—			—		1,645
	$	85,833	$	5,565		$	(166	)	$	128	$	91,360

	Three Months Ended September 30, 2018
	Beginning Balance		Provision			Charge-offs		Recoveries		Ending Balance
Commercial and industrial	$	59,572	$	5,008		$	—	$	—	$	64,580
Residential real estate		9,328		1,165			—		—		10,493
Securities-based loans		1,928		(5	)		—		—		1,923
Commercial real estate		1,672		90			—		—		1,762
Home equity lines of credit		229		—			—		—		229
Construction and land		303		600			—		—		903
Other		13		(3	)		—		1		11
Qualitative		730		69			—		—		799
	$	73,775	$	6,924		$	—	$	1	$	80,700

	Nine Months Ended September 30, 2018
	Beginning Balance		Provision			Charge-offs			Recoveries		Ending Balance
Commercial and industrial	$	54,474	$	10,118		$	(12	)	$	—	$	64,580
Residential real estate		8,430		2,063			—			—		10,493
Securities-based loans		2,088		(165	)		—			—		1,923
Commercial real estate		1,520		242			—			—		1,762
Home equity lines of credit		162		65			—			2		229
Construction and land		100		803			—			—		903
Other		16		(5	)		(2	)		2		11
Qualitative		676		123			—			—		799
	$	67,466	$	13,244		$	(14	)	$	4	$	80,700

Recorded Balances Of Loans and Amount Of Allowance Allocated Based Upon Impairment Method by Portfolio Segment

	Allowance for Loan Losses						Recorded Investment in Loans
	Individually Evaluated for Impairment		Collectively Evaluated for Impairment		Total		Individually Evaluated for Impairment		Collectively Evaluated for Impairment		Total
Commercial and industrial	$	8,158	$	60,014	$	68,172	$	14,169	$	3,301,537	$	3,315,706
Residential real estate		24		12,538		12,562		1,697		3,041,574		3,043,271
Securities-based loans		—		2,181		2,181		—		1,986,339		1,986,339
Commercial real estate		—		2,903		2,903		—		387,868		387,868
Construction and land		—		3,267		3,267		—		293,116		293,116
Home equity lines of credit		—		435		435		184		50,334		50,518
Other		18		177		195		153		120,661		120,814
Qualitative		—		1,645		1,645		—		—		—
	$	8,200	$	83,160	$	91,360	$	16,203	$	9,181,429	$	9,197,632

	Allowance for Loan Losses						Recorded Investment in Loans
	Individually Evaluated for Impairment		Collectively Evaluated for Impairment		Total		Individually Evaluated for Impairment		Collectively Evaluated for Impairment		Total
Commercial and industrial	$	8,678	$	59,689	$	68,367	$	23,677	$	3,280,557	$	3,304,234
Residential real estate		24		11,204		11,228		519		2,874,495		2,875,014
Securities-based loans		—		1,978		1,978		—		1,786,966		1,786,966
Commercial real estate		—		1,778		1,778		—		318,961		318,961
Construction and land		—		1,241		1,241		—		138,245		138,245
Home equity lines of credit		—		310		310		184		37,914		38,098
Other		1		87		88		21		120,108		120,129
Qualitative		—		843		843		—		—		—
	$	8,703	$	77,130	$	85,833	$	24,401	$	8,557,246	$	8,581,647

Loans That Were Individually Evaluated For Impairment By Portfolio Segment

	September 30, 2019
	Unpaid Contractual Principal Balance		Recorded Investment with No Allowance		Recorded Investment with Allowance		Total Recorded Investment		Related Allowance		Average Recorded Investment
Commercial and industrial	$	14,169	$	104	$	14,065	$	14,169	$	8,158	$	22,102
Residential real estate		1,767		1,532		165		1,697		24		1,536
Home equity lines of credit		184		184		—		184		—		184
Other		303		—		153		153		18		185
Total	$	16,423	$	1,820	$	14,383	$	16,203	$	8,200	$	24,007

	December 31, 2018
	Unpaid Contractual Principal Balance		Recorded Investment with No Allowance		Recorded Investment with Allowance		Total Recorded Investment		Related Allowance		Average Recorded Investment
Commercial and industrial	$	23,677	$	242	$	23,435	$	23,677	$	8,678	$	23,807
Residential real estate		544		352		167		519		24		275
Home equity lines of credit		184		184		—		184		—		184
Other		694		11		10		21		1		70
Total	$	25,099	$	789	$	23,612	$	24,401	$	8,703	$	24,336

Aging Of The Recorded Investment In Past Due Loans

	As of September 30, 2019
	30 – 89 Days Past Due		90 or More Days Past Due		Total Past Due		Current Balance		Total
Commercial and industrial	$	—	$	14,116	$	14,116	$	3,301,590	$	3,315,706
Residential real estate		3,018		1,248		4,266		3,039,005		3,043,271
Securities-based loans		—		—		—		1,986,339		1,986,339
Commercial real estate		—		—		—		387,868		387,868
Construction and land		—		—		—		293,116		293,116
Home equity lines of credit		216		—		216		50,302		50,518
Other		175		147		322		120,492		120,814
Total	$	3,409	$	15,511	$	18,920	$	9,178,712	$	9,197,632

	As of September 30, 2019*
	Non-Accrual		Restructured		Total
Commercial and industrial	$	14,116	$	—	$	14,116
Residential real estate		1,532		165		1,697
Home equity lines of credit		184		—		184
Other		153		—		153
Total	$	15,985	$	165	$	16,150

* There were no loans past due 90 days and still accruing interest at September 30, 2019.

	As of December 31, 2018
	30 – 89 Days Past Due		90 or More Days Past Due		Total Past Due		Current Balance		Total
Commercial and industrial	$	—	$	14,656	$	14,656	$	3,289,578	$	3,304,234
Residential real estate		6,970		377		7,347		2,867,667		2,875,014
Securities-based loans		—		—		—		1,786,966		1,786,966
Commercial real estate		—		—		—		318,961		318,961
Construction and land		—		—		—		138,245		138,245
Home equity lines of credit		33		—		33		38,065		38,098
Other		—		134		134		119,995		120,129
Total	$	7,003	$	15,167	$	22,170	$	8,559,477	$	8,581,647

	As of December 31, 2018*
	Non-Accrual		Restructured		Total
Commercial and industrial	$	14,741	$	8,936	$	23,677
Residential real estate		352		167		519
Home equity lines of credit		184		—		184
Other		21		—		21
Total	$	15,298	$	9,103	$	24,401

* There were no loans past due 90 days and still accruing interest at December 31, 2018.

Risk Category Of Loan Portfolio

	As of September 30, 2019
	Pass		Special Mention		Substandard		Doubtful		Total
Commercial and industrial	$	3,275,266	$	26,271	$	14,169	$	—	$	3,315,706
Residential real estate		3,041,574		—		1,697		—		3,043,271
Securities-based loans		1,986,339		—		—		—		1,986,339
Commercial real estate		387,868		—		—		—		387,868
Construction and land		293,116		—		—		—		293,116
Home equity lines of credit		50,334		—		184		—		50,518
Other		120,661		—		—		153		120,814
Total	$	9,155,158	$	26,271	$	16,050	$	153	$	9,197,632

	As of December 31, 2018
	Pass		Special Mention		Substandard		Doubtful		Total
Commercial and industrial	$	3,254,698	$	34,795	$	14,741	$	—	$	3,304,234
Residential real estate		2,874,495		—		519		—		2,875,014
Securities-based loans		1,786,966		—		—		—		1,786,966
Commercial real estate		318,961		—		—		—		318,961
Construction and land		138,245		—		—		—		138,245
Home equity lines of credit		37,914		—		184		—		38,098
Other		119,912		196		—		21		120,129
Total	$	8,531,191	$	34,991	$	15,444	$	21	$	8,581,647