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Bank Deposits (Tables) | 3 Months Ended
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Mar. 31, 2018
Deposits Liabilities Balance Sheet Reported Amounts [Abstract] |
Schedule Of Deposits | Deposits consist of money market and savings accounts, certificates of deposit, and demand deposits. Deposits at March 31, 2018 and December 31, 2017 were as follows (in thousands):
|  | March 31, 2018 |  |  | December 31, 2017 |
Money market and savings accounts |  | $ | 12,834,447 |  |  | $ | 13,219,675 |
Demand deposits (interest-bearing) |  |  | 225,617 |  |  |  | 184,829 |
Demand deposits (non-interest-bearing) |  |  | 15,601 |  |  |  | 5,856 |
Certificates of deposit |  |  | 253,958 |  |  |  | 1,575 |
|  | $ | 13,329,623 |  |  | $ | 13,411,935 |

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