Bank Loans (Tables)

12 Months Ended

Dec. 31, 2015

Receivables [Abstract]

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

	December 31, 2015						December 31, 2014
	Balance			Percent			Balance			Percent
Securities-based loans	$	1,388,953			43.7	%	$	732,799			34.6	%
Commercial and industrial		1,216,656			38.2			896,853			42.4
Consumer		36,846			1.2			25,489			1.2
Residential real estate		429,132			13.5			432,646			20.4
Commercial real estate		92,623			2.9			15,902			0.8
Home equity lines of credit		12,475			0.4			12,945			0.6
Construction and land		3,899			0.1			—			—
Gross bank loans		3,180,584			100.0	%		2,116,634			100.0	%
Unamortized loan discount		(5,296	)					(30,533	)
Unamortized loan fees, net of loan fees		(1,567	)					(1,631	)
Loans in process		(419	)					1,681
Allowance for loan losses		(29,787	)					(20,731	)
Bank loans, net	$	3,143,515					$	2,065,420

Activity In The Allowance For Loan Losses By Portfolio Segment

	Year Ended December 31, 2015
	Beginning Balance		Provision			Charge- offs			Recoveries		Ending Balance
Commercial and industrial	$	16,609	$	8,139		$	—		$	—	$	24,748
Securities-based loans		1,099		508			—			—		1,607
Consumer		156		(58	)		—			7		105
Residential real estate		787		544			(144	)		54		1,241
Commercial real estate		232		(30	)		—			62		264
Home equity lines of credit		267		15			—			8		290
Construction and land		—		78			—			—		78
Qualitative		1,581		(127	)		—			—		1,454
	$	20,731	$	9,069		$	(144	)	$	131	$	29,787

	Year Ended December 31, 2014
	Beginning Balance		Provision			Charge- offs			Recoveries		Ending Balance
Commercial and industrial	$	9,832	$	7,287		$	(510	)	$	—	$	16,609
Securities-based loans		893		211			(5	)		—		1,099
Consumer		—		172			(16	)		—		156
Residential real estate		408		373			—			6		787
Commercial real estate		198		(23	)		—			57		232
Home equity lines of credit		174		93			—			—		267
Construction and land		12		(12	)		—			—		—
Qualitative		1,151		430			—			—		1,581
	$	12,668	$	8,531		$	(531	)	$	63	$	20,731

	Year Ended December 31, 2013
	Beginning Balance		Provision			Charge- offs			Recoveries		Ending Balance
Commercial and industrial	$	5,450	$	8,246		$	(3,864	)	$	—	$	9,832
Securities-based loans		638		255			—			—		893
Consumer		9		(2	)		(7	)		—		—
Residential real estate		408		474			(501	)		27		408
Commercial real estate		691		(512	)		—			19		198
Home equity lines of credit		195		(21	)		—			—		174
Construction and land		13		(8	)		—			7		12
Qualitative		741		410			—			—		1,151
	$	8,145	$	8,842		$	(4,372	)	$	53	$	12,668

Recorded Balance 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	$	—	$	24,748	$	24,748	$	—	$	1,216,656	$	1,216,656
Securities-based loans		—		1,607		1,607		—		1,388,953		1,388,953
Consumer		14		91		105		14		36,832		36,846
Residential real estate		24		1,217		1,241		182		428,950		429,132
Commercial real estate		—		264		264		—		92,623		92,623
Home equity lines of credit		149		141		290		323		12,152		12,475
Construction and land		—		78		78		—		3,899		3,899
Qualitative		—		1,454		1,454		—		—		—
	$	187	$	29,600	$	29,787	$	519	$	3,180,065	$	3,180,584

	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	$	—	$	16,609	$	16,609	$	—	$	896,853	$	896,853
Securities-based loans		—		1,099		1,099		—		732,799		732,799
Consumer		13		143		156		13		25,476		25,489
Residential real estate		87		700		787		377		432,269		432,646
Commercial real estate		23		209		232		23		15,879		15,902
Home equity lines of credit		149		118		267		323		12,622		12,945
Construction and land		—		—		—		—		—		—
Qualitative		—		1,581		1,581		—		—		—
	$	272	$	20,459	$	20,731	$	736	$	2,115,898	$	2,116,634

Loans That Were Individually Evaluated For Impairment By Portfolio Segment

	December 31, 2015
	Unpaid Contractual Principal Balance		Recorded Investment with No Allowance		Recorded Investment with Allowance		Total Recorded Investment		Related Allowance		Average Recorded Investment
Commercial and industrial	$	—	$	—	$	—	$	—	$	—	$	—
Consumer		944		—		15		15		15		23
Residential real estate		776		524		182		706		24		752
Commercial real estate		—		—		—		—		—		—
Home equity lines of credit		342		19		323		342		149		342
Construction and land		—		—		—		—		—		—
Total	$	2,062	$	543	$	520	$	1,063	$	188	$	1,117

	December 31, 2014
	Unpaid Contractual Principal Balance		Recorded Investment with No Allowance		Recorded Investment with Allowance		Total Recorded Investment		Related Allowance		Average Recorded Investment
Commercial and industrial	$	—	$	—	$	—	$	—	$	—	$	—
Consumer		13		—		13		13		13		15
Residential real estate		5,006		3,944		377		4,321		87		4,646
Commercial real estate		228		—		228		228		23		235
Home equity lines of credit		323		—		323		323		149		323
Construction and land		—		—		—		—		—		—
Total	$	5,570	$	3,944	$	941	$	4,885	$	272	$	5,219

Aging Of The Recorded Investment In Past Due Loans

	As of December 31, 2015
	30 – 89 Days Past Due		90 or More Days Past Due		Total Past Due		Current Balance		Total
Commercial and industrial	$	—	$	—	$	—	$	1,216,656		1,216,656
Securities-based loans		—		—		—		1,388,953		1,388,953
Consumer		7		7		14		36,832		36,846
Residential real estate		3,310		450		3,760		425,372		429,132
Commercial real estate		—		—		—		92,623		92,623
Home equity lines of credit		323		19		342		12,133		12,475
Construction and land		—		—		—		3,899		3,899
Total	$	3,640	$	476	$	4,116	$	3,176,468	$	3,180,584

	As of December 31, 2015*
	Non-Accrual		Restructured		Total
Commercial and industrial	$	—	$	—	$	—
Consumer		15		—		15
Residential real estate		380		326		706
Commercial real estate		—		—		—
Home equity lines of credit		342		—		342
Construction and land		—		—		—
Total	$	737	$	326	$	1,063

	As of December 31, 2014
	30 – 89 Days Past Due		90 or More Days Past Due		Total Past Due		Current Balance		Total
Commercial and industrial	$	—	$	—	$	—	$	896,853		896,853
Securities-based loans		—		—		—		732,799		732,799
Consumer		28		14		42		25,447		25,489
Residential real estate		6,603		4,834		11,437		421,209		432,646
Commercial real estate		—		—		—		15,902		15,902
Home equity lines of credit		—		—		—		12,945		12,945
Construction and land		—		—		—		—		-
Total	$	6,631	$	4,848	$	11,479	$	2,105,155	$	2,116,634

	As of December 31, 2014*
	Non-Accrual		Restructured		Total
Commercial and industrial	$	—	$	—	$	—
Consumer		13		—		13
Residential real estate		4,321		—		4,321
Commercial real estate		228		—		228
Home equity lines of credit		323		—		323
Construction and land		—		—		—
Total	$	4,885	$	—	$	4,885

Risk Category Of Loan Portfolio

	As of December 31, 2015
	Pass		Special Mention		Substandard		Doubtful		Total
Commercial and industrial	$	1,191,030	$	11,320	$	14,306	$	—	$	1,216,656
Securities-based loans		1,388,939		—		14		—		1,388,953
Consumer		36,846		—		—		—		36,846
Residential real estate		427,950		1,182		—		—		429,132
Commercial real estate		92,623		—		—		—		92,623
Home equity lines of credit		12,456		—		19		—		12,475
Construction and land		3,899		—		—		—		3,899
Total	$	3,153,743	$	12,502	$	14,339	$	—	$	3,180,584

	As of December 31, 2014
	Pass		Special Mention		Substandard		Doubtful		Total
Commercial and industrial	$	896,853	$	—	$	—	$	—		896,853
Securities-based loans		732,799		—		—				732,799
Consumer		25,447		28		14		—		25,489
Residential real estate		421,209		6,603		4,834		—		432,646
Commercial real estate		15,902		—		—		—		15,902
Home equity lines of credit		12,945		—		—		—		12,945
Construction and land		—		—		—		—		—
Total	$	2,105,155	$	6,631	$	4,848	$	—	$	2,116,634