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Bank Loans (Tables) | 9 Months Ended
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Sep. 30, 2017
Receivables [Abstract] |
Schedule Of Balance And Associated Percentage Of Each Major Loan Category In Bank Loan Portfolio |
|  | September 30, 2017 |  |  | December 31, 2016 |
|  | Balance |  |  | Percent |  |  | Balance |  |  | Percent |
Residential real estate |  | $ | 2,517,543 |  |  |  | 36.6 | % |  | $ | 2,161,400 |  |  |  | 38.4 | %
Commercial and industrial |  |  | 2,380,417 |  |  |  | 34.6 |  |  |  | 1,710,399 |  |  |  | 30.3 |
Securities-based loans |  |  | 1,839,981 |  |  |  | 26.7 |  |  |  | 1,614,033 |  |  |  | 28.6 |
Commercial real estate |  |  | 78,614 |  |  |  | 1.1 |  |  |  | 78,711 |  |  |  | 1.4 |
Consumer |  |  | 36,149 |  |  |  | 0.5 |  |  |  | 45,391 |  |  |  | 0.8 |
Home equity lines of credit |  |  | 13,072 |  |  |  | 0.2 |  |  |  | 15,008 |  |  |  | 0.3 |
Construction and land |  |  | 18,115 |  |  |  | 0.3 |  |  |  | 12,623 |  |  |  | 0.2 |
Gross bank loans |  |  | 6,883,891 |  |  |  | 100.0 | % |  |  | 5,637,565 |  |  |  | 100.0 | %
Unamortized loan premium/(discount), net |  |  | 655 |  |  |  |  |  |  |  | 858 |  |  |  |  |
Unamortized loan fees, net of loan fees |  |  | 707 |  |  |  |  |  |  |  | (49 | ) |  |  |  |
Loans in process |  |  | (39,946 | ) |  |  |  |  |  |  | (2,021 | ) |  |  |  |
Allowance for loan losses |  |  | (62,229 | ) |  |  |  |  |  |  | (45,163 | ) |  |  |  |
Bank loans, net |  | $ | 6,783,078 |  |  |  |  |  |  | $ | 5,591,190 |  |  |  |  |
Activity In The Allowance For Loan Losses By Portfolio Segment |
|  | Three Months Ended September 30, 2017 |
|  | Beginning Balance |  |  | Provision |  |  | Charge-offs |  |  | Recoveries |  |  | Ending Balance |
Commercial and industrial |  | $ | 40,805 |  |  | $ | 6,312 |  |  | $ | — |  |  | $ | 35 |  |  | $ | 47,152 |
Securities-based loans |  |  | 3,600 |  |  |  | (288 | ) |  |  | — |  |  |  | — |  |  |  | 3,312 |
Consumer |  |  | 105 |  |  |  | (3 | ) |  |  | — |  |  |  | 1 |  |  |  | 103 |
Residential real estate |  |  | 5,569 |  |  |  | 1,566 |  |  |  | — |  |  |  | — |  |  |  | 7,135 |
Commercial real estate |  |  | 932 |  |  |  | 95 |  |  |  | — |  |  |  | — |  |  |  | 1,027 |
Home equity lines of credit |  |  | 283 |  |  |  | (13 | ) |  |  | — |  |  |  | 1 |  |  |  | 271 |
Construction and land |  |  | 224 |  |  |  | 9 |  |  |  | — |  |  |  | — |  |  |  | 233 |
Qualitative |  |  | 2,684 |  |  |  | 312 |  |  |  | — |  |  |  | — |  |  |  | 2,996 |
|  | $ | 54,202 |  |  | $ | 7,990 |  |  | $ | — |  |  | $ | 37 |  |  | $ | 62,229 |
|  | Nine Months Ended September 30, 2017 |
|  | Beginning Balance |  |  | Provision |  |  | Charge-offs |  |  | Recoveries |  |  | Ending Balance |
Commercial and industrial |  | $ | 35,127 |  |  | $ | 12,239 |  |  | $ | (250 | ) |  | $ | 36 |  |  | $ | 47,152 |
Securities-based loans |  |  | 3,094 |  |  |  | 218 |  |  |  | — |  |  |  | — |  |  |  | 3,312 |
Consumer |  |  | 129 |  |  |  | (27 | ) |  |  | — |  |  |  | 1 |  |  |  | 103 |
Residential real estate |  |  | 2,660 |  |  |  | 4,475 |  |  |  | — |  |  |  | — |  |  |  | 7,135 |
Commercial real estate |  |  | 1,363 |  |  |  | 2,367 |  |  |  | (2,703 | ) |  |  | — |  |  |  | 1,027 |
Home equity lines of credit |  |  | 371 |  |  |  | (102 | ) |  |  | — |  |  |  | 2 |  |  |  | 271 |
Construction and land |  |  | 232 |  |  |  | 1 |  |  |  | — |  |  |  | — |  |  |  | 233 |
Qualitative |  |  | 2,187 |  |  |  | 809 |  |  |  | — |  |  |  | — |  |  |  | 2,996 |
|  | $ | 45,163 |  |  | $ | 19,980 |  |  | $ | (2,953 | ) |  | $ | 39 |  |  | $ | 62,229 |
|  | Three Months Ended September 30, 2016 |
|  | Beginning Balance |  |  | Provision |  |  | Charge-offs |  |  | Recoveries |  |  | Ending Balance |
Commercial and industrial |  | $ | 29,816 |  |  | $ | 2,631 |  |  | $ | (267 | ) |  | $ | — |  |  | $ | 32,180 |
Securities-based loans |  |  | 1,731 |  |  |  | 172 |  |  |  | — |  |  |  | — |  |  |  | 1,903 |
Consumer |  |  | 107 |  |  |  | 203 |  |  |  | (16 | ) |  |  | 1 |  |  |  | 295 |
Residential real estate |  |  | 1,529 |  |  |  | 346 |  |  |  | — |  |  |  | — |  |  |  | 1,875 |
Commercial real estate |  |  | 512 |  |  |  | (8 | ) |  |  | — |  |  |  | — |  |  |  | 504 |
Home equity lines of credit |  |  | 283 |  |  |  | 2 |  |  |  | — |  |  |  | — |  |  |  | 285 |
Construction and land |  |  | 144 |  |  |  | 59 |  |  |  | — |  |  |  | — |  |  |  | 203 |
Qualitative |  |  | 1,744 |  |  |  | 156 |  |  |  | — |  |  |  | — |  |  |  | 1,900 |
|  | $ | 35,866 |  |  | $ | 3,561 |  |  | $ | (283 | ) |  | $ | 1 |  |  | $ | 39,145 |
|  | Nine Months Ended September 30, 2016 |
|  | Beginning Balance |  |  | Provision |  |  | Charge-offs |  |  | Recoveries |  |  | Ending Balance |
Commercial and industrial |  | $ | 24,748 |  |  | $ | 7,699 |  |  | $ | (267 | ) |  | $ | — |  |  | $ | 32,180 |
Securities-based loans |  |  | 1,607 |  |  |  | 296 |  |  |  | — |  |  |  | — |  |  |  | 1,903 |
Consumer |  |  | 105 |  |  |  | 205 |  |  |  | (16 | ) |  |  | 1 |  |  |  | 295 |
Residential real estate |  |  | 1,241 |  |  |  | 644 |  |  |  | (13 | ) |  |  | 3 |  |  |  | 1,875 |
Commercial real estate |  |  | 264 |  |  |  | 233 |  |  |  | — |  |  |  | 7 |  |  |  | 504 |
Home equity lines of credit |  |  | 290 |  |  |  | (5 | ) |  |  | — |  |  |  | — |  |  |  | 285 |
Construction and land |  |  | 78 |  |  |  | 125 |  |  |  | — |  |  |  | — |  |  |  | 203 |
Qualitative |  |  | 1,454 |  |  |  | 446 |  |  |  | — |  |  |  | — |  |  |  | 1,900 |
|  | $ | 29,787 |  |  | $ | 9,643 |  |  | $ | (296 | ) |  | $ | 11 |  |  | $ | 39,145 |
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 |  |  | $ | 7,111 |  |  | $ | 7,135 |  |  | $ | 173 |  |  | $ | 2,517,370 |  |  | $ | 2,517,543 |
Commercial and industrial |  |  | 2,131 |  |  |  | 45,021 |  |  |  | 47,152 |  |  |  | 14,511 |  |  |  | 2,365,906 |  |  |  | 2,380,417 |
Securities-based loans |  |  | — |  |  |  | 3,312 |  |  |  | 3,312 |  |  |  | — |  |  |  | 1,839,981 |  |  |  | 1,839,981 |
Commercial real estate |  |  | — |  |  |  | 1,027 |  |  |  | 1,027 |  |  |  | — |  |  |  | 78,614 |  |  |  | 78,614 |
Consumer |  |  | 3 |  |  |  | 100 |  |  |  | 103 |  |  |  | 3 |  |  |  | 36,146 |  |  |  | 36,149 |
Home equity lines of credit |  |  | 149 |  |  |  | 122 |  |  |  | 271 |  |  |  | 322 |  |  |  | 12,750 |  |  |  | 13,072 |
Construction and land |  |  | — |  |  |  | 233 |  |  |  | 233 |  |  |  | — |  |  |  | 18,115 |  |  |  | 18,115 |
Qualitative |  |  | — |  |  |  | 2,996 |  |  |  | 2,996 |  |  |  | — |  |  |  | — |  |  |  | — |
|  | $ | 2,307 |  |  | $ | 59,922 |  |  | $ | 62,229 |  |  | $ | 15,009 |  |  | $ | 6,868,882 |  |  | $ | 6,883,891 |
|  | 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 |
Loans That Were Individually Evaluated For Impairment By Portfolio Segment |
|  | September 30, 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 |  | $ | 14,511 |  |  | $ | — |  |  | $ | 14,511 |  |  | $ | 14,511 |  |  | $ | 2,131 |  |  | $ | 16,057 |
Consumer |  |  | 677 |  |  |  | — |  |  |  | 3 |  |  |  | 3 |  |  |  | 3 |  |  |  | 6 |
Residential real estate |  |  | 173 |  |  |  | — |  |  |  | 173 |  |  |  | 173 |  |  |  | 24 |  |  |  | 175 |
Home equity lines of credit |  |  | 322 |  |  |  | — |  |  |  | 322 |  |  |  | 322 |  |  |  | 149 |  |  |  | 323 |
Total |  | $ | 15,683 |  |  | $ | — |  |  | $ | 15,009 |  |  | $ | 15,009 |  |  | $ | 2,307 |  |  | $ | 16,561 |
|  | 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 |
Total |  | $ | 28,742 |  |  | $ | — |  |  | $ | 26,934 |  |  | $ | 26,934 |  |  | $ | 3,375 |  |  | $ | 32,242 |
Aging Of The Recorded Investment In Past Due Loans |
|  | As of September 30, 2017 |
|  | 30 – 89 Days Past Due |  |  | 90 or More Days Past Due |  |  | Total Past Due |  |  | Current Balance |  |  | Total |
Residential real estate |  | $ | 5,471 |  |  | $ | — |  |  | $ | 5,471 |  |  | $ | 2,512,072 |  |  | $ | 2,517,543 |
Commercial and industrial |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,380,417 |  |  |  | 2,380,417 |
Securities-based loans |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,839,981 |  |  |  | 1,839,981 |
Commercial real estate |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 78,614 |  |  |  | 78,614 |
Consumer |  |  | 314 |  |  |  | 2 |  |  |  | 316 |  |  |  | 35,833 |  |  |  | 36,149 |
Home equity lines of credit |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 13,072 |  |  |  | 13,072 |
Construction and land |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 18,115 |  |  |  | 18,115 |
Total |  | $ | 5,785 |  |  | $ | 2 |  |  | $ | 5,787 |  |  | $ | 6,878,104 |  |  | $ | 6,883,891 |
|  | As of September 30, 2017 * |
|  | Non-Accrual |  |  | Restructured (1) |  |  | Total |
Commercial and industrial |  | $ | 5,749 |  |  | $ | 8,762 |  |  | $ | 14,511 |
Home equity lines of credit |  |  | 322 |  |  |  | — |  |  |  | 322 |
Residential real estate |  |  | — |  |  |  | 173 |  |  |  | 173 |
Consumer |  |  | 3 |  |  |  | — |  |  |  | 3 |
Total |  | $ | 6,074 |  |  | $ | 8,935 |  |  | $ | 15,009 |
(1) | On non-accrual status.
* | There were no loans past due 90 days and still accruing interest at September 30, 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 |
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 September 30, 2017 |
|  | Pass |  |  | Special Mention |  |  | Substandard |  |  | Doubtful |  |  | Total |
Residential real estate |  | $ | 2,516,586 |  |  | $ | 784 |  |  | $ | 173 |  |  | $ | — |  |  | $ | 2,517,543 |
Commercial and industrial |  |  | 2,338,246 |  |  |  | 26,548 |  |  |  | 15,623 |  |  |  | — |  |  |  | 2,380,417 |
Securities-based loans |  |  | 1,839,981 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,839,981 |
Commercial real estate |  |  | 78,614 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 78,614 |
Consumer |  |  | 36,144 |  |  |  | — |  |  |  | 5 |  |  |  | — |  |  |  | 36,149 |
Home equity lines of credit |  |  | 12,750 |  |  |  | — |  |  |  | 322 |  |  |  | — |  |  |  | 13,072 |
Construction and land |  |  | 18,115 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 18,115 |
Total |  | $ | 6,840,436 |  |  | $ | 27,332 |  |  | $ | 16,123 |  |  | $ | — |  |  | $ | 6,883,891 |
|  | 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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- References No definition available. + Details
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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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