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Bank Loans (Tables) | 3 Months Ended
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Mar. 31, 2017
Receivables [Abstract] |
Schedule Of Balance And Associated Percentage Of Each Major Loan Category In Bank Loan Portfolio |
|  | March 31, 2017 |  |  | December 31, 2016 |
|  | Balance |  |  | Percent |  |  | Balance |  |  | Percent |
Residential real estate |  | $ | 2,214,356 |  |  |  | 37.4 | % |  | $ | 2,161,400 |  |  |  | 38.4 | %
Commercial and industrial |  |  | 1,830,865 |  |  |  | 30.9 |  |  |  | 1,710,399 |  |  |  | 30.3 |
Securities-based loans |  |  | 1,728,516 |  |  |  | 29.2 |  |  |  | 1,614,033 |  |  |  | 28.6 |
Commercial real estate |  |  | 78,522 |  |  |  | 1.3 |  |  |  | 78,711 |  |  |  | 1.4 |
Consumer |  |  | 42,856 |  |  |  | 0.7 |  |  |  | 45,391 |  |  |  | 0.8 |
Home equity lines of credit |  |  | 14,578 |  |  |  | 0.3 |  |  |  | 15,008 |  |  |  | 0.3 |
Construction and land |  |  | 13,931 |  |  |  | 0.2 |  |  |  | 12,623 |  |  |  | 0.2 |
Gross bank loans |  |  | 5,923,624 |  |  |  | 100.0 | % |  |  | 5,637,565 |  |  |  | 100.0 | %
Unamortized loan premium/(discount), net |  |  | 1,039 |  |  |  |  |  |  |  | 858 |  |  |  |  |
Unamortized loan fees, net of loan fees |  |  | (892 | ) |  |  |  |  |  |  | (49 | ) |  |  |  |
Loans in process |  |  | (7,925 | ) |  |  |  |  |  |  | (2,021 | ) |  |  |  |
Allowance for loan losses |  |  | (51,298 | ) |  |  |  |  |  |  | (45,163 | ) |  |  |  |
Bank loans, net |  | $ | 5,864,548 |  |  |  |  |  |  | $ | 5,591,190 |  |  |  |  |
Activity In The Allowance For Loan Losses By Portfolio Segment |
|  | Three Months Ended March 31, 2017 |
|  | Beginning Balance |  |  | Provision |  |  | Charge-offs |  |  | Recoveries |  |  | Ending Balance |
Commercial and industrial |  | $ | 35,127 |  |  | $ | 3,662 |  |  | $ | — |  |  | $ | — |  |  | $ | 38,789 |
Securities-based loans |  |  | 3,094 |  |  |  | 299 |  |  |  | — |  |  |  | — |  |  |  | 3,393 |
Consumer |  |  | 129 |  |  |  | (22 | ) |  |  | — |  |  |  | — |  |  |  | 107 |
Residential real estate |  |  | 2,660 |  |  |  | 1,530 |  |  |  | — |  |  |  | — |  |  |  | 4,190 |
Commercial real estate |  |  | 1,363 |  |  |  | 255 |  |  |  | — |  |  |  | — |  |  |  | 1,618 |
Home equity lines of credit |  |  | 371 |  |  |  | (85 | ) |  |  | (1 | ) |  |  | — |  |  |  | 285 |
Construction and land |  |  | 232 |  |  |  | 205 |  |  |  | — |  |  |  | — |  |  |  | 437 |
Qualitative |  |  | 2,187 |  |  |  | 292 |  |  |  | — |  |  |  | — |  |  |  | 2,479 |
|  | $ | 45,163 |  |  | $ | 6,136 |  |  | $ | (1 | ) |  | $ | — |  |  | $ | 51,298 |
|  | Three Months Ended March 31, 2016 |
|  | Beginning Balance |  |  | Provision |  |  | Charge-offs |  |  | Recoveries |  |  | Ending Balance |
Commercial and industrial |  | $ | 24,748 |  |  | $ | 2,952 |  |  | $ | — |  |  | $ | — |  |  | $ | 27,700 |
Securities-based loans |  |  | 1,607 |  |  |  | (2 | ) |  |  | — |  |  |  | — |  |  |  | 1,605 |
Residential real estate |  |  | 1,241 |  |  |  | 88 |  |  |  | — |  |  |  | 1 |  |  |  | 1,330 |
Commercial real estate |  |  | 264 |  |  |  | 1,022 |  |  |  | — |  |  |  | 3 |  |  |  | 1,289 |
Home equity lines of credit |  |  | 290 |  |  |  | (23 | ) |  |  | — |  |  |  | — |  |  |  | 267 |
Construction and land |  |  | 78 |  |  |  | 40 |  |  |  | — |  |  |  | — |  |  |  | 118 |
Consumer |  |  | 105 |  |  |  | (21 | ) |  |  | — |  |  |  | — |  |  |  | 84 |
Qualitative |  |  | 1,454 |  |  |  | 203 |  |  |  | — |  |  |  | — |  |  |  | 1,657 |
|  | $ | 29,787 |  |  | $ | 4,259 |  |  | $ | — |  |  | $ | 4 |  |  | $ | 34,050 |
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 |  |  | $ | 4,166 |  |  | $ | 4,190 |  |  | $ | 176 |  |  | $ | 2,214,180 |  |  | $ | 2,214,356 |
Commercial and industrial |  |  | 2,453 |  |  |  | 36,336 |  |  |  | 38,789 |  |  |  | 18,010 |  |  |  | 1,812,855 |  |  |  | 1,830,865 |
Securities-based loans |  |  | — |  |  |  | 3,393 |  |  |  | 3,393 |  |  |  | — |  |  |  | 1,728,516 |  |  |  | 1,728,516 |
Commercial real estate |  |  | 972 |  |  |  | 646 |  |  |  | 1,618 |  |  |  | 9,522 |  |  |  | 69,000 |  |  |  | 78,522 |
Consumer |  |  | 5 |  |  |  | 102 |  |  |  | 107 |  |  |  | 5 |  |  |  | 42,851 |  |  |  | 42,856 |
Home equity lines of credit |  |  | 148 |  |  |  | 137 |  |  |  | 285 |  |  |  | 323 |  |  |  | 14,255 |  |  |  | 14,578 |
Construction and land |  |  | — |  |  |  | 437 |  |  |  | 437 |  |  |  | — |  |  |  | 13,931 |  |  |  | 13,931 |
Qualitative |  |  | — |  |  |  | 2,479 |  |  |  | 2,479 |  |  |  | — |  |  |  | — |  |  |  | — |
|  | $ | 3,602 |  |  | $ | 47,696 |  |  | $ | 51,298 |  |  | $ | 28,036 |  |  | $ | 5,895,588 |  |  | $ | 5,923,624 |
|  | 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 |  | $ | — |  |  | $ | 1,605 |  |  | $ | 1,605 |  |  | $ | — |  |  | $ | 1,345,719 |  |  | $ | 1,345,719 |
Commercial and industrial |  |  | 1,215 |  |  |  | 26,485 |  |  |  | 27,700 |  |  |  | 12,148 |  |  |  | 1,283,170 |  |  |  | 1,295,318 |
Residential real estate |  |  | 24 |  |  |  | 1,306 |  |  |  | 1,330 |  |  |  | 704 |  |  |  | 729,979 |  |  |  | 730,683 |
Commercial real estate |  |  | 981 |  |  |  | 308 |  |  |  | 1,289 |  |  |  | 9,809 |  |  |  | 73,464 |  |  |  | 83,273 |
Consumer |  |  | 14 |  |  |  | 70 |  |  |  | 84 |  |  |  | 18 |  |  |  | 31,018 |  |  |  | 31,036 |
Home equity lines of credit |  |  | 149 |  |  |  | 118 |  |  |  | 267 |  |  |  | 323 |  |  |  | 12,188 |  |  |  | 12,511 |
Construction and land |  |  | — |  |  |  | 118 |  |  |  | 118 |  |  |  | — |  |  |  | 6,969 |  |  |  | 6,969 |
Qualitative |  |  | — |  |  |  | 1,657 |  |  |  | 1,657 |  |  |  | — |  |  |  | — |  |  |  | — |
|  | $ | 2,383 |  |  | $ | 31,667 |  |  | $ | 34,050 |  |  | $ | 23,002 |  |  | $ | 3,482,507 |  |  | $ | 3,505,509 |
Loans That Were Individually Evaluated For Impairment By Portfolio Segment |
|  | March 31, 2017 |
|  | Unpaid Contractual Principal Balance |  |  | Recorded Investment with No Allowance |  |  | Recorded Investment with Allowance |  |  | Total Recorded Investment |  |  | Related Allowance |  |  | Average Recorded Investment |
Commercial and industrial |  | $ | 18,010 |  |  | $ | — |  |  | $ | 18,010 |  |  | $ | 18,010 |  |  | $ | 2,453 |  |  | $ | 17,885 |
Consumer |  |  | 701 |  |  |  | — |  |  |  | 5 |  |  |  | 5 |  |  |  | 5 |  |  |  | 9 |
Residential real estate |  |  | 176 |  |  |  | — |  |  |  | 176 |  |  |  | 176 |  |  |  | 24 |  |  |  | 177 |
Commercial real estate |  |  | 10,503 |  |  |  | — |  |  |  | 9,522 |  |  |  | 9,522 |  |  |  | 972 |  |  |  | 9,522 |
Home equity lines of credit |  |  | 323 |  |  |  | — |  |  |  | 323 |  |  |  | 323 |  |  |  | 148 |  |  |  | 323 |
Construction and land |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 29,713 |  |  | $ | — |  |  | $ | 28,036 |  |  | $ | 28,036 |  |  | $ | 3,602 |  |  | $ | 27,916 |
|  | 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 |
Aging Of The Recorded Investment In Past Due Loans |
|  | As of March 31, 2017 |
|  | 30 – 89 Days Past Due |  |  | 90 or More Days Past Due |  |  | Total Past Due |  |  | Current Balance |  |  | Total |
Residential real estate |  | $ | 761 |  |  | $ | — |  |  | $ | 761 |  |  | $ | 2,213,595 |  |  | $ | 2,214,356 |
Commercial and industrial |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,830,865 |  |  |  | 1,830,865 |
Securities-based loans |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,728,516 |  |  |  | 1,728,516 |
Commercial real estate |  |  | 4,000 |  |  |  | 9,522 |  |  |  | 13,522 |  |  |  | 65,000 |  |  |  | 78,522 |
Consumer |  |  | — |  |  |  | 2 |  |  |  | 2 |  |  |  | 42,854 |  |  |  | 42,856 |
Home equity lines of credit |  |  | — |  |  |  | 184 |  |  |  | 184 |  |  |  | 14,394 |  |  |  | 14,578 |
Construction and land |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 13,931 |  |  |  | 13,931 |
Total |  | $ | 4,761 |  |  | $ | 9,708 |  |  | $ | 14,469 |  |  | $ | 5,909,155 |  |  | $ | 5,923,624 |
|  | As of March 31, 2017 * |
|  | Non-Accrual |  |  | Restructured (1) |  |  | Total |
Commercial and industrial |  | $ | 18,010 |  |  | $ | — |  |  | $ | 18,010 |
Commercial real estate |  |  | — |  |  |  | 9,522 |  |  |  | 9,522 |
Home equity lines of credit |  |  | 323 |  |  |  | — |  |  |  | 323 |
Residential real estate |  |  | — |  |  |  | 176 |  |  |  | 176 |
Consumer |  |  | 5 |  |  |  | — |  |  |  | 5 |
Construction and land |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 18,338 |  |  | $ | 9,698 |  |  | $ | 28,036 |
(1) | On non-accrual status.
* | There were no loans past due 90 days and still accruing interest at March 31, 2017.
|  | As of 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 |
|  | As of December 31, 2016* |
|  | Non-Accrual |  |  | Restructured |  |  | 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 |
* | There were no loans past due 90 days and still accruing interest at December 31, 2016.
Risk Category Of Loan Portfolio |
|  | As of March 31, 2017 |
|  | Pass |  |  | Special Mention |  |  | Substandard |  |  | Doubtful |  |  | Total |
Residential real estate |  | $ | 2,214,180 |  |  | $ | — |  |  | $ | 176 |  |  | $ | — |  |  | $ | 2,214,356 |
Commercial and industrial |  |  | 1,790,574 |  |  |  | 8,632 |  |  |  | 19,681 |  |  |  | 11,978 |  |  |  | 1,830,865 |
Securities-based loans |  |  | 1,728,516 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,728,516 |
Commercial real estate |  |  | 69,000 |  |  |  | — |  |  |  | 9,522 |  |  |  | — |  |  |  | 78,522 |
Consumer |  |  | 42,851 |  |  |  | — |  |  |  | 5 |  |  |  | — |  |  |  | 42,856 |
Home equity lines of credit |  |  | 14,255 |  |  |  | — |  |  |  | 323 |  |  |  | — |  |  |  | 14,578 |
Construction and land |  |  | 13,931 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 13,931 |
Total |  | $ | 5,873,307 |  |  | $ | 8,632 |  |  | $ | 29,707 |  |  | $ | 11,978 |  |  | $ | 5,923,624 |
|  | As of 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 |

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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