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Non-Interest Revenues - Non-interest Revenues by Business Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Interchange and card revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | $ 7,084 | $ 9,570 | $ 23,127 | $ 31,729
Deposit fees |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 2,002 | 2,659 | 5,726 | 7,918
Accounting Standards Update 2014-09 |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 1,200 | 1,200 | 3,900 | 4,400
Total revenue from contracts with customers | 10,297 | 13,341 | 32,352 | 42,933
Accounting Standards Update 2014-09 | Community Business Banking |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from contracts with customers | 492 | 536 | 1,480 | 1,446
Accounting Standards Update 2014-09 | BankMobile |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from contracts with customers | 9,805 | 12,805 | 30,872 | 41,487
Accounting Standards Update 2014-09 | Transferred at Point in Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
University Fees - Card and Disbursement Fees | 261 | 283 | 772 | 878
Total revenue from contracts with customers | 9,347 | 12,512 | 29,625 | 40,525
Accounting Standards Update 2014-09 | Transferred at Point in Time | Interchange and card revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 7,084 | 9,570 | 23,127 | 31,729
Accounting Standards Update 2014-09 | Transferred at Point in Time | Deposit fees |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 2,002 | 2,659 | 5,726 | 7,918
Accounting Standards Update 2014-09 | Transferred at Point in Time | Community Business Banking |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
University Fees - Card and Disbursement Fees | 0 | 0 | 0 | 0
Total revenue from contracts with customers | 492 | 536 | 1,480 | 1,446
Accounting Standards Update 2014-09 | Transferred at Point in Time | Community Business Banking | Interchange and card revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 181 | 215 | 588 | 544
Accounting Standards Update 2014-09 | Transferred at Point in Time | Community Business Banking | Deposit fees |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 311 | 321 | 892 | 902
Accounting Standards Update 2014-09 | Transferred at Point in Time | BankMobile |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
University Fees - Card and Disbursement Fees | 261 | 283 | 772 | 878
Total revenue from contracts with customers | 8,855 | 11,976 | 28,145 | 39,079
Accounting Standards Update 2014-09 | Transferred at Point in Time | BankMobile | Interchange and card revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 6,903 | 9,355 | 22,539 | 31,185
Accounting Standards Update 2014-09 | Transferred at Point in Time | BankMobile | Deposit fees |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 1,691 | 2,338 | 4,834 | 7,016
Accounting Standards Update 2014-09 | Transferred over Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
University Fees - Subscription Revenue | 950 | 829 | 2,727 | 2,408
Total revenue from contracts with customers | 950 | 829 | 2,727 | 2,408
Accounting Standards Update 2014-09 | Transferred over Time | Community Business Banking |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
University Fees - Subscription Revenue | 0 | 0 | 0 | 0
Total revenue from contracts with customers | 0 | 0 | 0 | 0
Accounting Standards Update 2014-09 | Transferred over Time | BankMobile |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
University Fees - Subscription Revenue | 950 | 829 | 2,727 | 2,408
Total revenue from contracts with customers | $ 950 | $ 829 | $ 2,727 | $ 2,408

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