Bank Loans (Tables)

6 Months Ended

Jun. 30, 2019

Receivables [Abstract]

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

	June 30, 2019						December 31, 2018
	Balance			Percent			Balance			Percent
Commercial and industrial	$	3,338,127			36.8	%	$	3,304,234			38.5	%
Residential real estate		2,984,725			32.9			2,875,014			33.5
Securities-based loans		1,962,528			21.6			1,786,966			20.8
Commercial real estate		367,283			4.1			318,961			3.7
Construction and land		226,559			2.5			138,245			1.6
Home equity lines of credit		49,209			0.5			38,098			0.4
Other		137,847			1.6			120,129			1.5
Gross bank loans		9,066,278			100.0	%		8,581,647			100.0	%
Unamortized loan discount, net		(11,265	)					(12,155	)
Loans in process		(1,596	)					27,984
Unamortized loan fees, net		1,380						5,972
Allowance for loan losses		(90,472	)					(85,833	)
Bank loans, net	$	8,964,325					$	8,517,615

Activity In The Allowance For Loan Losses By Portfolio Segment

	Three Months Ended June 30, 2019
	Beginning Balance		Provision		Charge-offs			Recoveries		Ending Balance
Commercial and industrial	$	68,566	$	743	$	(46	)	$	—	$	69,263
Residential real estate		11,585		457		—			—		12,042
Securities-based loans		2,227		84		—			—		2,311
Commercial real estate		2,421		57		—			—		2,478
Construction and land		1,724		678		—			—		2,402
Home equity lines of credit		372		49		—			—		421
Other		146		40		(8	)		1		179
Qualitative		1,131		245		—			—		1,376
	$	88,172	$	2,353	$	(54	)	$	1	$	90,472

	Six Months Ended June 30, 2019
	Beginning Balance		Provision		Charge-offs			Recoveries		Ending Balance
Commercial and industrial	$	68,367	$	954	$	(58	)	$	—	$	69,263
Residential real estate		11,228		727		—			87		12,042
Securities-based loans		1,978		333		—			—		2,311
Commercial real estate		1,778		700		—			—		2,478
Construction and land		1,241		1,161		—			—		2,402
Home equity lines of credit		310		110		—			1		421
Other		88		118		(52	)		25		179
Qualitative		843		533		—			—		1,376
	$	85,833	$	4,636	$	(110	)	$	113	$	90,472

	Three Months Ended June 30, 2018
	Beginning Balance		Provision			Charge-offs		Recoveries		Ending Balance
Commercial and industrial	$	56,433	$	3,139		$	—	$	—	$	59,572
Residential real estate		8,779		549			—		—		9,328
Securities-based loans		1,894		34			—		—		1,928
Commercial real estate		1,320		352			—		—		1,672
Home equity lines of credit		164		64			—		1		229
Construction and land		199		104			—		—		303
Other		15		(2	)		—		—		13
Qualitative		693		37			—		—		730
	$	69,497	$	4,277		$	—	$	1	$	73,775

	Six Months Ended June 30, 2018
	Beginning Balance		Provision			Charge-offs			Recoveries		Ending Balance
Commercial and industrial	$	54,474	$	5,110		$	(12	)	$	—	$	59,572
Residential real estate		8,430		898			—			—		9,328
Securities-based loans		2,088		(160	)		—			—		1,928
Commercial real estate		1,520		152			—			—		1,672
Home equity lines of credit		162		65			—			2		229
Construction and land		100		203			—			—		303
Other		16		(2	)		(2	)		1		13
Qualitative		676		54			—			—		730
	$	67,466	$	6,320		$	(14	)	$	3	$	73,775

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	$	8,304	$	60,959	$	69,263	$	21,995	$	3,316,132	$	3,338,127
Residential real estate		24		12,018		12,042		1,121		2,983,604		2,984,725
Securities-based loans		—		2,311		2,311		—		1,962,528		1,962,528
Commercial real estate		—		2,478		2,478		—		367,283		367,283
Construction and land		—		2,402		2,402		—		226,559		226,559
Home equity lines of credit		—		421		421		184		49,025		49,209
Other		20		159		179		165		137,682		137,847
Qualitative		—		1,376		1,376		—		—		—
	$	8,348	$	82,124	$	90,472	$	23,465	$	9,042,813	$	9,066,278

	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

	June 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	$	21,995	$	216	$	21,779	$	21,995	$	8,304	$	23,460
Residential real estate		1,191		955		166		1,121		24		838
Home equity lines of credit		184		184		—		184		—		184
Other		315		—		165		165		20		199
Total	$	23,685	$	1,355	$	22,110	$	23,465	$	8,348	$	24,681

	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 June 30, 2019
	30 – 89 Days Past Due		90 or More Days Past Due		Total Past Due		Current Balance		Total
Commercial and industrial	$	—	$	14,211	$	14,211	$	3,323,916	$	3,338,127
Residential real estate		2,385		892		3,277		2,981,448		2,984,725
Securities-based loans		—		—		—		1,962,528		1,962,528
Commercial real estate		—		—		—		367,283		367,283
Construction and land		—		—		—		226,559		226,559
Home equity lines of credit		184		—		184		49,025		49,209
Other		—		155		155		137,692		137,847
Total	$	2,569	$	15,258	$	17,827	$	9,048,451	$	9,066,278

	As of June 30, 2019*
	Non-Accrual		Restructured		Total
Commercial and industrial	$	14,211	$	7,715	$	21,926
Residential real estate		955		166		1,121
Home equity lines of credit		184		—		184
Other		165		—		165
Total	$	15,515	$	7,881	$	23,396

* There were no loans past due 90 days and still accruing interest at June 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 June 30, 2019
	Pass		Special Mention		Substandard		Doubtful		Total
Commercial and industrial	$	3,299,366	$	12,332	$	26,429	$	—	$	3,338,127
Residential real estate		2,983,456		148		1,121		—		2,984,725
Securities-based loans		1,962,528		—		—		—		1,962,528
Commercial real estate		367,283		—		—		—		367,283
Construction and land		226,559		—		—		—		226,559
Home equity lines of credit		49,025		—		184		—		49,209
Other		137,682		—		—		165		137,847
Total	$	9,025,899	$	12,480	$	27,734	$	165	$	9,066,278

	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