| Item | Type | Period | Balance | Description | | Deposit Contracts, Assets | text | | | |
| Deposit Contracts, Liabilities | text | | | |
| Deposit Contracts, Description of Asset Contracts | text | | | Description of the characteristics of contracts treated as deposits for which assets are recorded as of the balance sheet date. |
| Deposit Contracts, Description of Liability Contracts | text | | | Description of the characteristics of contracts treated as deposits for which liabilities are recorded as of the balance sheet date. |
| Short-Duration Contracts, Description | text | | | Description of insurance products considered to be short-duration contracts because the contract provides insurance protection for a fixed period of short duration and enables the insurer to cancel the contract or to adjust the provisions of the contract at the end of any contract period, such as adjusting the amount of premiums charged or coverage provided. |
| Short-duration Insurance Contracts, Discounted Liabilities | text | | | Disclosure of information about liabilities for unpaid claims and claim adjustment expenses that are presented at present value. |
| Short-duration Insurance Contracts, Claims Development | text | | | Tabular disclosure of undiscounted information about claims development by accident year for short-duration insurance contracts. |
| Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability | text | | | Tabular disclosure for the reconciliation of claims development to the liability for unpaid claims and claim adjustment expense for short-duration insurance contracts. |
| Short-duration Insurance Contracts, Schedule of Historical Claims Duration | text | | | Tabular disclosure of average annual percentage payout of incurred claims by age, after reinsurance, for short-duration insurance contracts. |
| Deposit Assets, Amortizaton Expense from Expirations | $ | duration | debit | Amount of amortization expense from expiration of contracts underlying deposit assets. |
| Deposit Assets, Present Value of Expected Recoveries | $ | instant | debit | Present value of initial expected recoveries that will be reimbursed under the insurance or reinsurance contracts. |
| Deposit Assets, Effect of Change in Present Value Assumptions Resulting in Additions to Expected Recoveries | $ | duration | credit | Amount of decrease in expense due to change in present value assumptions used to value deposit assets. |
| Deposit Assets, Effect of Change in Present Value Assumptions Resulting in Reductions to Expected Recoveries | $ | duration | debit | Amount of increase in expense due to change in present value assumptions used to value deposit assets. |
| Deposit Assets, Effect of (Increase) Decrease in Interest Accrual Assumption on Expected Recovery Amounts | $ | duration | credit | Amount of (increase) decrease in expense due to change in the interest accrual assumption on deposit assets. |
| Deposit Assets, Effect of Change in Present Value Assumptions Recorded as Expense | $ | duration | debit | Amount of expense due to change in present value assumptions used to value deposit assets. |
| Deposit Contracts, Assets | $ | instant | debit | Carrying amount of assets as of the balance sheet date pertaining to amounts paid by the insured (including a ceding company) under insurance or reinsurance contracts for which insurance risk is not transferred. |
| Deposit Liabilities, Effect of Change in Present Value Assumptions Resulting in Additions to Expected Recoveries | $ | duration | debit | Amount of expense from increase in deposit liabilities due to change in present value assumptions used to value expected recoveries. |
| Deposit Liabilities, Effect of Change in Present Value Assumptions Resulting in Reductions to Expected Recoveries | $ | duration | credit | Amount of decrease in expense from decrease in deposit liabilities due to change in present value assumptions used to value expected recoveries. |
| Deposit Liabilities, Effect of (Increase) Decrease in Interest Accrual Assumption on Expected Recovery Amounts | $ | duration | debit | Amount of increase (decrease) in expense due to change in the interest accrual assumption on expected recoveries. |
| Deposit Liabilities, Effect of Change in Present Value Assumptions Recorded as Expense | $ | duration | debit | Amount of expense due to change in the present value assumptions on expected recoveries. |
| Deposit Contracts, Liabilities | $ | instant | credit | Carrying amount of liabilities as of the balance sheet date pertaining to amounts received by the insurer or reinsurer from the insured (including a ceding company) under insurance or reinsurance contracts for which insurance risk is not transferred. |
| Income Statement Location | text | | | Information by location in the income statement. |
| Range Axis | | | | |
| Short-duration Insurance Contracts, Discounted Liabilities | text | | | Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. |
| Short-duration Insurance Contracts, Claims Development | text | | | Disclosure of information about undiscounted information about claims development by accident year for short-duration insurance contracts. |
| Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability | text | | | Disclosure of information about the reconciliation of claims development to the liability for unpaid claims and claim adjustment expense for short-duration insurance contracts. |
| Short-duration Insurance Contracts, Historical Claims Duration | text | | | Disclosure of information about average annual percentage payout of incurred claims by age, after reinsurance, for short-duration insurance contracts. |