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Leases (Tables) | 6 Months Ended
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Jun. 30, 2021
Leases [Abstract] |
Schedule Of Supplemental Cash Flow Related To Leases |
| Three months ended |  | Six months ended
| June 30, |  | June 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Cash paid for operating lease liabilities | $ | 89,134 |  | $ | 66,595 |  | $ | 177,942 |  | $ | 144,484
Operating lease assets obtained in exchange for operating lease liabilities | $ | 150,561 |  | $ | 102,113 |  | $ | 294,663 |  | $ | 239,079
Derecognition of operating lease assets due to terminations or impairment | $ | 432 |  | $ | 12,410 |  | $ | 1,979 |  | $ | 14,417

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