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Disaggregated Revenue and Deferred Revenue (Tables) | 9 Months Ended
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Sep. 30, 2019
Disaggregation of Revenue [Line Items] |
Schedule of Other Income, by Component | The following table provides the components of "other income" on the consolidated statements of income:
| Three months ended September 30, |  |  |  |  | Nine months ended September 30, |  |  |
| 2019 |  | 2018 |  | 2019 |  | 2018
Borrower late fee income | $ | 3,196 |  |  | 3,253 |  |  | 9,870 |  |  | 8,994 |
Management fee revenue | 2,084 |  |  | 1,756 |  |  | 6,007 |  |  | 4,673 |
Gain on investments and notes receivable, net of losses | 1,948 |  |  | 2,503 |  |  | 5,779 |  |  | 10,291 |
Investment advisory services | 753 |  |  | 1,183 |  |  | 2,194 |  |  | 4,169 |
Other | 5,458 |  |  | 7,978 |  |  | 14,808 |  |  | 16,681 |
Other income | $ | 13,439 |  |  | 16,673 |  |  | 38,658 |  |  | 44,808 |
Schedule of Liabilities from Contracts with Customers | Activity in the deferred revenue balance, which is included in "other liabilities" on the consolidated balance sheets, is shown below:
| Loan Servicing and Systems |  | Education Technology, Services, and Payment Processing |  | Communications |  | Corporate and Other Activities |  | Total
| Three months ended September 30, 2019 |  |  |  |  |  |  |  |  |
Balance, beginning of period | $ | 3,315 |  |  | 21,489 |  |  | 3,080 |  |  | 1,611 |  |  | 29,495 |
Deferral of revenue | 881 |  |  | 42,752 |  |  | 9,302 |  |  | 953 |  |  | 53,888 |
Recognition of revenue | (1,149) |  |  | (21,820) |  |  | (9,158) |  |  | (850) |  |  | (32,977) |
Balance, end of period | $ | 3,047 |  |  | 42,421 |  |  | 3,224 |  |  | 1,714 |  |  | 50,406 |
| Three months ended September 30, 2018 |  |  |  |  |  |  |  |
Balance, beginning of period | $ | 3,771 |  |  | 17,989 |  |  | 2,149 |  |  | 1,751 |  |  | 25,660 |
Deferral of revenue | 1,591 |  |  | 34,252 |  |  | 6,567 |  |  | 2,764 |  |  | 45,174 |
Recognition of revenue | (1,754) |  |  | (17,049) |  |  | (6,342) |  |  | (2,858) |  |  | (28,003) |
Balance, end of period | $ | 3,608 |  |  | 35,192 |  |  | 2,374 |  |  | 1,657 |  |  | 42,831 |
| Nine months ended September 30, 2019 |  |  |  |  |  |  |  |
Balance, beginning of period | $ | 4,413 |  |  | 30,556 |  |  | 2,551 |  |  | 1,602 |  |  | 39,122 |
Deferral of revenue | 2,761 |  |  | 81,484 |  |  | 26,366 |  |  | 2,530 |  |  | 113,141 |
Recognition of revenue | (4,127) |  |  | (69,619) |  |  | (25,693) |  |  | (2,418) |  |  | (101,857) |
Balance, end of period | $ | 3,047 |  |  | 42,421 |  |  | 3,224 |  |  | 1,714 |  |  | 50,406 |
| Nine months ended September 30, 2018 |  |  |  |  |  |  |  |
Balance, beginning of period | $ | 4,968 |  |  | 24,164 |  |  | 1,665 |  |  | 1,479 |  |  | 32,276 |
Deferral of revenue | 2,555 |  |  | 65,940 |  |  | 17,916 |  |  | 4,869 |  |  | 91,280 |
Recognition of revenue | (3,915) |  |  | (54,912) |  |  | (17,207) |  |  | (4,691) |  |  | (80,725) |
Balance, end of period | $ | 3,608 |  |  | 35,192 |  |  | 2,374 |  |  | 1,657 |  |  | 42,831 |
Loan Servicing and Systems |
Disaggregation of Revenue [Line Items] |
Disaggregation of Revenue | Loan Servicing and Systems
| Three months ended September 30, |  |  |  |  | Nine months ended September 30, |  |  |
| 2019 |  | 2018 |  | 2019 |  | 2018
Government servicing - Nelnet | $ | 38,645 |  |  | 38,907 |  |  | 118,744 |  |  | 118,015 |
Government servicing - Great Lakes | 46,234 |  |  | 45,671 |  |  | 139,285 |  |  | 122,107 |
Private education and consumer loan servicing | 9,561 |  |  | 10,007 |  |  | 28,026 |  |  | 31,990 |
FFELP servicing | 6,089 |  |  | 7,422 |  |  | 19,208 |  |  | 24,259 |
Software services | 10,493 |  |  | 8,201 |  |  | 30,255 |  |  | 24,461 |
Outsourced services and other | 2,264 |  |  | 2,371 |  |  | 6,651 |  |  | 6,433 |
Loan servicing and systems revenue | $ | 113,286 |  |  | 112,579 |  |  | 342,169 |  |  | 327,265 |
Education Technology, Services, and Payment Processing |
Disaggregation of Revenue [Line Items] |
Disaggregation of Revenue | Education Technology, Services, and Payment Processing
| Three months ended September 30, |  |  |  |  | Nine months ended September 30, |  |  |
| 2019 |  | 2018 |  | 2019 |  | 2018
Tuition payment plan services | $ | 25,760 |  |  | 19,771 |  |  | 80,589 |  |  | 63,209 |
Payment processing | 35,138 |  |  | 26,956 |  |  | 85,428 |  |  | 62,908 |
Education technology and services | 13,067 |  |  | 11,419 |  |  | 46,872 |  |  | 40,411 |
Other | 286 |  |  | 263 |  |  | 864 |  |  | 844 |
Education technology, services, and payment processing revenue | $ | 74,251 |  |  | 58,409 |  |  | 213,753 |  |  | 167,372 |
Communications |
Disaggregation of Revenue [Line Items] |
Disaggregation of Revenue | Communications
| Three months ended September 30, |  |  |  |  | Nine months ended September 30, |  |  |
| 2019 |  | 2018 |  | 2019 |  | 2018
Internet | $ | 9,899 |  |  | 6,453 |  |  | 27,641 |  |  | 16,541 |
Television | 4,068 |  |  | 3,380 |  |  | 12,020 |  |  | 9,241 |
Telephone | 2,487 |  |  | 1,962 |  |  | 7,062 |  |  | 5,482 |
Other | 16 |  |  | 23 |  |  | 47 |  |  | 63 |
Communications revenue | $ | 16,470 |  |  | 11,818 |  |  | 46,770 |  |  | 31,327 |
Residential revenue | $ | 12,397 |  |  | 8,896 |  |  | 35,351 |  |  | 23,367 |
Business revenue | 4,025 |  |  | 2,861 |  |  | 11,256 |  |  | 7,779 |
Other | 48 |  |  | 61 |  |  | 163 |  |  | 181 |
Communications revenue | $ | 16,470 |  |  | 11,818 |  |  | 46,770 |  |  | 31,327 |

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