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Non-Interest Revenues - Non-interest Revenues by Business Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Interchange and card revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | $ 6,382 | $ 8,648 | $ 16,043 | $ 22,158
Deposit Fees |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 1,632 | 2,133 | 3,724 | 5,260
Accounting Standards Update 2014-09 |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 1,200 | 1,300 | 2,700 | 3,200
Total revenue from contracts with customers | 9,106 | 11,771 | 22,056 | 29,592
Accounting Standards Update 2014-09 | Community Business Banking |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from contracts with customers | 477 | 384 | 986 | 910
Accounting Standards Update 2014-09 | BankMobile |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from contracts with customers | 8,629 | 11,387 | 21,070 | 28,682
Accounting Standards Update 2014-09 | Transferred at Point in Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
University Fees - Card and Disbursement Fees | 185 | 206 | 512 | 595
Total revenue from contracts with customers | 8,199 | 10,987 | 20,279 | 28,013
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 | 6,382 | 8,648 | 16,043 | 22,158
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 | 1,632 | 2,133 | 3,724 | 5,260
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 | 477 | 384 | 986 | 910
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 | 183 | 126 | 406 | 328
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 | 294 | 258 | 580 | 582
Accounting Standards Update 2014-09 | Transferred at Point in Time | BankMobile |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
University Fees - Card and Disbursement Fees | 185 | 206 | 512 | 595
Total revenue from contracts with customers | 7,722 | 10,603 | 19,293 | 27,103
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 | 6,199 | 8,522 | 15,637 | 21,830
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 | 1,338 | 1,875 | 3,144 | 4,678
Accounting Standards Update 2014-09 | Transferred over Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
University Fees - Subscription Revenue | 907 | 784 | 1,777 | 1,579
Total revenue from contracts with customers | 907 | 784 | 1,777 | 1,579
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 | 907 | 784 | 1,777 | 1,579
Total revenue from contracts with customers | $ 907 | $ 784 | $ 1,777 | $ 1,579

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