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Other Assets (Tables) | 12 Months Ended
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Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Schedule of Other Assets | Other assets consist of the following as of December 31, 2020 and 2021 (in thousands):
| December 31, 2020 |  | December 31, 2021
Prepaid expenses, net of current portion | $ | 22,418 |  |  | $ | 19,852 |
Equity method investments | 15,795 |  |  | 15,582 |
Cloud computing arrangements | 6,385 |  |  | 5,957 |
Other investments | 2,527 |  |  | 3,576 |
Tuition receivable, non-current | 3,585 |  |  | 2,466 |
Other | 4,218 |  |  | 4,864 |
Other assets | $ | 54,928 |  |  | $ | 52,297 |
Changes in Company's Limited Partnership Investments | The following table illustrates changes in the Company’s limited partnership investments for the years ended December 31, 2020 and 2021 (in thousands):
| 2020 |  | 2021
Limited partnership investments, beginning of period | $ | 15,795 |  |  | $ | 15,795 |
Capital contributions | 550 |  |  | 892 |
Pro-rata share in the net income of limited partnerships | 1,862 |  |  | 4,925 |
Distributions | (2,412) |  |  | (6,030) |
Limited partnership investments, end of period | $ | 15,795 |  |  | $ | 15,582 |

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