Unpaid Claims - Summary of Cumulative Net Paid Claims (Details) - USD ($)
$ in Thousands |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
| Cumulative Payment Year One [Member] |
|
|
|
| Disclosure Of Claims Incurred And Reported And Not Reported Cumulative Net Paid Claims [Line Items] |
|
|
|
| Liability For Unpaid Claims Incurred And Reported And Not Reported Cumulative Net Paid Claims |
|
|
$ 511,459
|
| Cumulative Payment Year One [Member] | 2018 and prior [Member] |
|
|
|
| Disclosure Of Claims Incurred And Reported And Not Reported Cumulative Net Paid Claims [Line Items] |
|
|
|
| Cumulative Claims Paid |
|
|
$ 511,459
|
| Cumulative Payment Year Two [Member] |
|
|
|
| Disclosure Of Claims Incurred And Reported And Not Reported Cumulative Net Paid Claims [Line Items] |
|
|
|
| Liability For Unpaid Claims Incurred And Reported And Not Reported Cumulative Net Paid Claims |
|
$ 894,877
|
|
| Cumulative Payment Year Two [Member] | 2018 and prior [Member] |
|
|
|
| Disclosure Of Claims Incurred And Reported And Not Reported Cumulative Net Paid Claims [Line Items] |
|
|
|
| Cumulative Claims Paid |
|
550,974
|
|
| Cumulative Payment Year Two [Member] | 2019 [Member] |
|
|
|
| Disclosure Of Claims Incurred And Reported And Not Reported Cumulative Net Paid Claims [Line Items] |
|
|
|
| Cumulative Claims Paid |
|
$ 343,903
|
|
| Cumulative Payment Year Three [Member] |
|
|
|
| Disclosure Of Claims Incurred And Reported And Not Reported Cumulative Net Paid Claims [Line Items] |
|
|
|
| Liability For Unpaid Claims Incurred And Reported And Not Reported Cumulative Net Paid Claims |
$ 1,448,865
|
|
|
| Cumulative Payment Year Three [Member] | 2018 and prior [Member] |
|
|
|
| Disclosure Of Claims Incurred And Reported And Not Reported Cumulative Net Paid Claims [Line Items] |
|
|
|
| Cumulative Claims Paid |
549,647
|
|
|
| Cumulative Payment Year Three [Member] | 2019 [Member] |
|
|
|
| Disclosure Of Claims Incurred And Reported And Not Reported Cumulative Net Paid Claims [Line Items] |
|
|
|
| Cumulative Claims Paid |
397,879
|
|
|
| Cumulative Payment Year Three [Member] | 2020 [Member] |
|
|
|
| Disclosure Of Claims Incurred And Reported And Not Reported Cumulative Net Paid Claims [Line Items] |
|
|
|
| Cumulative Claims Paid |
$ 501,339
|
|
|