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COMMITMENTS AND CONTINGENCIES (Tables) | 6 Months Ended
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Jun. 30, 2020
Commitments and Contingencies Disclosure [Abstract] |
Deferred FI implementation costs | The following table summarizes changes in deferred FI implementation costs (in thousands):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2019 |  | 2020 |  | 2019 |  | 2020
Beginning balance | $ | 14,067 |  |  | $ | 7,375 |  |  | $ | 15,877 |  |  | $ | 8,383 |
Recoveries through FI Share | (1,155 | ) |  | — |  |  | (2,312 | ) |  | — |
Amortization | (731 | ) |  | (991 | ) |  | (1,384 | ) |  | (1,999 | )
Ending balance | $ | 12,181 |  |  | $ | 6,384 |  |  | $ | 12,181 |  |  | $ | 6,384 |

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