Bank Loans (Tables)

12 Months Ended

Dec. 31, 2016

Receivables [Abstract]

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

	December 31, 2016						December 31, 2015
	Balance			Percent			Balance			Percent
Residential real estate	$	2,161,400			38.4	%	$	429,132			13.5	%
Commercial and industrial		1,710,399			30.3			1,216,656			38.2
Securities-based loans		1,614,033			28.6			1,388,953			43.7
Commercial real estate		78,711			1.4			92,623			2.9
Consumer		45,391			0.8			36,846			1.2
Home equity lines of credit		15,008			0.3			12,475			0.4
Construction and land		12,623			0.2			3,899			0.1
Gross bank loans		5,637,565			100.0	%		3,180,584			100.0	%
Unamortized loan premium/(discount), net		858						(5,296	)
Loans in process		(49	)					(419	)
Unamortized loan fees, net		(2,021	)					(1,567	)
Allowance for loan losses		(45,163	)					(29,787	)
Bank loans, net	$	5,591,190					$	3,143,515

Activity In The Allowance For Loan Losses By Portfolio Segment

	Year Ended December 31, 2016
	Beginning Balance		Provision		Charge- offs			Recoveries		Ending Balance
Commercial and industrial	$	24,748	$	10,646	$	(267	)	$	—	$	35,127
Securities-based loans		1,607		1,487		—			—		3,094
Residential real estate		1,241		1,430		(13	)		2		2,660
Commercial real estate		264		1,090		—			9		1,363
Home equity lines of credit		290		81		—			—		371
Construction and land		78		154		—			—		232
Consumer		105		38		(16	)		2		129
Qualitative		1,454		733		—			—		2,187
	$	29,787	$	15,659	$	(296	)	$	13	$	45,163

	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
Residential real estate		787		544			(144	)		54		1,241
Home equity lines of credit		267		15		—				8		290
Commercial real estate		232		(30	)	—				62		264
Consumer		156		(58	)	—				7		105
Construction and land	—			78		—			—			78
Qualitative		1,581		(127	)	—			—			1,454
	$	20,731	$	9,069		$	(144	)	$	131	$	29,787

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
Residential real estate	$	24	$	2,636	$	2,660	$	178	$	2,161,222	$	2,161,400
Commercial and industrial		2,392		32,735		35,127		16,815		1,693,584		1,710,399
Securities-based loans	—			3,094		3,094	—			1,614,033		1,614,033
Commercial real estate		722		641		1,363		9,522		69,189		78,711
Consumer		6		123		129		6		45,385		45,391
Home equity lines of credit		231		140		371		413		14,595		15,008
Construction and land	—			232		232	—			12,623		12,623
Qualitative	—			2,187		2,187	—		—			—
	$	3,375	$	41,788	$	45,163	$	26,934	$	5,610,631	$	5,637,565

	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
Securities-based loans	$	—	$	1,607	$	1,607	$	—	$	1,388,953	$	1,388,953
Commercial and industrial		—		24,748		24,748		—		1,216,656		1,216,656
Residential real estate		24		1,217		1,241		182		428,950		429,132
Commercial real estate		—		264		264		—		92,623		92,623
Consumer		14		91		105		14		36,832		36,846
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

Loans That Were Individually Evaluated For Impairment By Portfolio Segment

	December 31, 2016
	Unpaid Contractual Principal Balance		Recorded Investment with No Allowance		Recorded Investment with Allowance		Total Recorded Investment		Related Allowance		Average Recorded Investment
Commercial and industrial	$	16,815	$	—	$	16,815	$	16,815	$	2,392	$	22,559
Commercial real estate		10,503	—			9,522		9,522		722		9,080
Consumer		833	—			6		6		6		9
Home equity lines of credit		413	—			413		413		231		413
Residential real estate		178	—			178		178		24		181
Construction and land	—		—		—			—	—		—
Total	$	28,742	$	—	$	26,934	$	26,934	$	3,375	$	32,242

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

Aging Of The Recorded Investment In Past Due Loans

	December 31, 2016
	30-89 Days Past Due		90 or More Days Past Due		Total Past Due		Current Balance		Total
Residential real estate	$	1,923	$	—	$	1,923	$	2,159,477		2,161,400
Commercial and industrial	—		—			—		1,710,399		1,710,399
Securities-based loans	—		—			—		1,614,033		1,614,033
Commercial real estate		9,522	—			9,522		69,189		78,711
Consumer	—			2		2		45,389		45,391
Home equity lines of credit		78		196		274		14,734		15,008
Construction and land	—		—			—		12,623		12,623
Total	$	11,523	$	198	$	11,721	$	5,625,844	$	5,637,565

	December 31, 2016 *
	Non-accrual		Restructured (1)		Total
Commercial and industrial	$	16,815	$	—	$	16,815
Commercial real estate		—		9,522		9,522
Home equity lines of credit		413		—		413
Residential real estate		—		178		178
Consumer		6		—		6
Construction and land		—		—		—
Total	$	17,234	$	9,700	$	26,934

⁽¹⁾ On non-accrual status.

* There were no loans past due 90 days and still accruing interest at December 31, 2016.

	December 31, 2015
	30 – 89 Days Past Due		90 or More Days Past Due		Total Past Due		Current Balance		Total
Securities-based loans	$	—	$	—	$	—	$	1,388,953		1,388,953
Commercial and industrial		—		—		—		1,216,656		1,216,656
Residential real estate		3,310		450		3,760		425,372		429,132
Commercial real estate		—		—		—		92,623		92,623
Consumer		7		7		14		36,832		36,846
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

	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

* There were no loans past due 90 days and still accruing interest at December 31, 2015.

Risk Category Of Loan Portfolio

	December 31, 2016
	Pass		Special Mention		Substandard		Doubtful		Total
Residential real estate	$	2,161,223	$	—	$	177	$	—	$	2,161,400
Commercial and industrial		1,652,211		27,905		30,283	—			1,710,399
Securities-based loans		1,614,033	—		—		—			1,614,033
Commercial real estate		69,189	—			9,522	—			78,711
Consumer		45,385	—			6	—			45,391
Home equity lines of credit		14,595	—			413	—			15,008
Construction and land		12,623	—		—		—			12,623
Total	$	5,569,259	$	27,905	$	40,401	$	—	$	5,637,565

	December 31, 2015
	Pass		Special Mention		Substandard		Doubtful		Total
Securities-based loans	$	1,388,939	$	—	$	14	$	—		1,388,953
Commercial and industrial		1,191,030		11,320		14,306	—			1,216,656
Residential real estate		427,950		1,182	—		—			429,132
Commercial real estate		92,623	—		—		—			92,623
Consumer		36,846	—		—		—			36,846
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