Bank Loans (Tables)

3 Months Ended

Mar. 31, 2019

Receivables [Abstract]

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

	March 31, 2019						December 31, 2018
	Balance			Percent			Balance			Percent
Commercial and industrial	$	3,314,564			37.6	%	$	3,304,234			38.5	%
Residential real estate		2,928,228			33.2			2,875,014			33.5
Securities-based loans		1,860,989			21.1			1,786,966			20.8
Commercial real estate		361,950			4.1			318,961			3.7
Construction and land		175,023			2.0			138,245			1.6
Home equity lines of credit		44,235			0.5			38,098			0.4
Other		124,095			1.5			120,129			1.5
Gross bank loans		8,809,084			100.0	%		8,581,647			100.0	%
Unamortized loan discount, net		(10,624	)					(12,155	)
Loans in process		(5,075	)					27,984
Unamortized loan fees, net		1,476						5,972
Allowance for loan losses		(88,172	)					(85,833	)
Bank loans, net	$	8,706,689					$	8,517,615

Activity In The Allowance For Loan Losses By Portfolio Segment

	Three Months Ended March 31, 2019
	Beginning Balance		Provision		Charge-offs			Recoveries		Ending Balance
Commercial and industrial	$	68,367	$	211	$	(12	)	$	—	$	68,566
Residential real estate		11,228		270		—			87		11,585
Securities-based loans		1,978		249		—			—		2,227
Commercial real estate		1,778		643		—			—		2,421
Construction and land		1,241		483		—			—		1,724
Home equity lines of credit		310		61		—			1		372
Other		88		78		(44	)		24		146
Qualitative		843		288		—			—		1,131
	$	85,833	$	2,283	$	(56	)	$	112	$	88,172

	Three Months Ended March 31, 2018
	Beginning Balance		Provision			Charge-offs			Recoveries		Ending Balance
Commercial and industrial	$	54,474	$	1,971		$	(12	)	$	—	$	56,433
Residential real estate		8,430		349			—			—		8,779
Securities-based loans		2,088		(194	)		—			—		1,894
Commercial real estate		1,520		(200	)		—			—		1,320
Home equity lines of credit		162		1			—			1		164
Construction and land		100		99			—			—		199
Other		16		—			(2	)		1		15
Qualitative		676		17			—			—		693
	$	67,466	$	2,043		$	(14	)	$	2	$	69,497

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	$	8,677	$	59,889	$	68,566	$	23,654	$	3,290,910	$	3,314,564
Residential real estate		24		11,561		11,585		619		2,927,609		2,928,228
Securities-based loans		—		2,227		2,227		—		1,860,989		1,860,989
Commercial real estate		—		2,421		2,421		—		361,950		361,950
Construction and land		—		1,724		1,724		—		175,023		175,023
Home equity lines of credit		—		372		372		184		44,051		44,235
Other		24		122		146		196		123,899		124,095
Qualitative		—		1,131		1,131		—		—		—
	$	8,725	$	79,447	$	88,172	$	24,653	$	8,784,431	$	8,809,084

	Allowance for Loan Losses						Recorded Investment in Loans
	Individually Evaluatedfor 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

	March 31, 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	$	23,654	$	220	$	23,434	$	23,654	$	8,677	$	23,821
Residential real estate		677		452		167		619		24		630
Home equity lines of credit		184		184		—		184		—		184
Other		345		—		196		196		24		233
Total	$	24,860	$	856	$	23,797	$	24,653	$	8,725	$	24,868

	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 March 31, 2019
	30 – 89 Days Past Due		90 or More Days Past Due		TotalPast Due		Current Balance		Total
Commercial and industrial	$	—	$	14,644	$	14,644	$	3,299,920	$	3,314,564
Residential real estate		5,944		227		6,171		2,922,057		2,928,228
Securities-based loans		—		—		—		1,860,989		1,860,989
Commercial real estate		—		—		—		361,950		361,950
Construction and land		—		—		—		175,023		175,023
Home equity lines of credit		—		—		—		44,235		44,235
Other		45		65		110		123,985		124,095
Total	$	5,989	$	14,936	$	20,925	$	8,788,159	$	8,809,084

	As of March 31, 2019*
	Non-Accrual		Restructured		Total
Commercial and industrial	$	14,718	$	8,936	$	23,654
Residential real estate		452		167		619
Home equity lines of credit		184		—		184
Other		196		—		196
Total	$	15,550	$	9,103	$	24,653

* There were no loans past due 90 days and still accruing interest at March 31, 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 March 31, 2019
	Pass		SpecialMention		Substandard		Doubtful		Total
Commercial and industrial	$	3,265,303	$	22,281	$	26,980	$	—	$	3,314,564
Residential real estate		2,927,609		—		619		—		2,928,228
Securities-based loans		1,860,989		—		—		—		1,860,989
Commercial real estate		361,950		—		—		—		361,950
Construction and land		175,023		—		—		—		175,023
Home equity lines of credit		44,051		—		184		—		44,235
Other		123,677		222		—		196		124,095
Total	$	8,758,602	$	22,503	$	27,783	$	196	$	8,809,084

	As of December 31, 2018
	Pass		SpecialMention		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