| Item | Type | Period | Balance | Description | | | | | |
| Valuation And Qualifying Accounts Abstract | | | | |
| Schedule Of Valuation And Qualifying Accounts Disclosure Text Block | | | | |
| Valuation And Qualifying Accounts Disclosure Table | | | | |
| SEC Schedule, 12-09, Valuation Allowances and Reserves Type | text | | | Information by valuation and qualifying accounts and reserves. |
| Valuation And Qualifying Accounts Disclosure Line Items | | | | |
| SEC Schedule, 12-09, Valuation Allowances and Reserves | | duration | | Valuation and qualifying accounts and reserves. |
| SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves | text | | | A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. |
| SEC Schedule, 12-09, Allowance, Notes Receivable | | duration | | Allowance for portion expected to be uncollectible of receivable from written agreement to receive, at specified future date, money consisting of principal and accrued interest. |
| SEC Schedule, 12-09, Allowance, Loss on Finance Receivable | | duration | | Allowance for portion expected to be uncollectible of investment in contractual right to receive money on demand or on fixed or determinable date recognized as asset in creditor's statement of financial position. |
| SEC Schedule, 12-09, Allowance, Franchise Notes Receivable | | duration | | Allowance for portion expected to be uncollectible of receivable from written payment obligation owed by franchisee to franchisor. |
| SEC Schedule, 12-09, Allowance, Receivable from Insurance Provider | | duration | | Allowance for portion expected to be uncollectible of receivable for insurance proceeds. |
| SEC Schedule, 12-09, Allowance, Uncollectible Premium Receivable | | duration | | Allowance for portion expected to be uncollectible of receivable from writing and issuing insurance policy. |
| SEC Schedule, 12-09, Allowance, Loan and Lease Loss | | duration | | Allowance for portion expected to be uncollectible of receivable from loan and lease portfolio. |
| SEC Schedule, 12-09, Allowance, Reinsurance Recoverable | | duration | | Allowance for portion expected to be uncollectible of recoverable from reinsurer for paid and unpaid claims and claim settlement expense. |
| SEC Schedule, 12-09, Allowance, Uncollectible Agency Loan | | duration | | Allowance for portion expected to be uncollectible of receivable from money lent to government agency. |
| SEC Schedule, 12-09, Allowance, Uncollectible Deductible | | duration | | Allowance for portion expected to be uncollectible of receivable from insured party for deductible portion of claim. |
| SEC Schedule, 12-09, Allowance, Loan and Lease Loss, Real Estate | | duration | | Allowance for portion expected to be uncollectible of receivable from loan and lease real estate portfolio. |
| SEC Schedule, 12-09, Allowance, Uncollectible Customer's Liability for Acceptances | | duration | | Allowance for portion expected to be uncollectible of receivable from customer for short-term negotiable time draft drawn on and accepted by financial institution (banker's acceptance). |
| SEC Schedule, 12-09, Allowance, Other Real Estate Owned | | duration | | Allowance for portion expected to be unrecoverable from real estate owned by financial institution which is not directly related to its business. |
| SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset | | duration | | Valuation allowance of deferred tax asset attributable to deductible temporary difference and carryforward. |
| SEC Schedule, 12-09, Reserve, Impairment of Recognized Servicing Asset | | duration | | Reserve for expected decrease in value of asset representing net future revenue from contractually specified servicing fee, late charge, and other ancillary revenue, in excess of future cost from servicing arrangement. |
| SEC Schedule, 12-09, Allowance, Earn-out Receivable | | duration | | Allowance for portion expected to be uncollectible of receivable from sale of business based on future sale or revenue. |
| SEC Schedule, 12-09, Reserve, Environmental Cost | | duration | | Reserve for expected cost from environmental loss contingency. |
| SEC Schedule, 12-09, Reserve, off-Balance-Sheet Activity | | duration | | Reserve for obligation, contingent liability, and other exposure related to off-balance sheet arrangement, including, but not limited to, unfunded loan commitment, contractual obligation, recourse from loan securitized, and variable interest entity. |
| SEC Schedule, 12-09, Reserve, Legal | | duration | | Reserve for expected cost from potential and pending litigation. Excludes statutory reserve for bank or insurance company. |
| SEC Schedule, 12-09, Reserve, Inventory | | duration | | Reserve to reduce inventory to lower of cost or net realizable value. |
| SEC Schedule, 12-09, Reserve, Impairment of Intangible Asset | | duration | | Reserve for expected decrease in value of asset, excluding financial asset and goodwill, lacking physical substance. |
| SEC Schedule, 12-09, Reserve, Warranty | | duration | | Reserve for expected cost from warranty provided on specific product or service. |
| SEC Schedule, 12-09, Reserve, Business Restructuring | | duration | | Reserve for expected cost from exit or disposal obligation excluding cost pertaining to entity newly acquired in business combination and asset retirement obligation. Includes, but is not limited to, cost for one-time termination benefit, termination of contract, and consolidating or closing facility. |
| SEC Schedule, 12-09, Allowance, Credit Loss | | duration | | Allowance for credit loss from right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. |
| Valuation Allowances And Reserves Balance | | | | |
| SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Beginning Balance | $ | instant | credit | Amount of valuation and qualifying accounts and reserves. |
| SEC Schedule, 12-09, Valuation Allowances and Reserves, Business Acquired | $ | duration | credit | Amount of increase in valuation and qualifying accounts and reserves from business combination. |
| SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense | $ | duration | credit | Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. |
| SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account | $ | duration | credit | Amount of increase in valuation and qualifying accounts and reserves from charge to accounts other than cost and expense. |
| SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction | $ | duration | debit | Amount of decrease in valuation and qualifying accounts and reserves. |
| SEC Schedule, 12-09, Valuation Allowances and Reserves, Addition, Recovery | $ | duration | credit | Amount of increase in valuation and qualifying accounts and reserves from recovery of amount previously written off or reestablishment of reserve previously utilized. |
| SEC Schedule, 12-09, Valuation Allowances and Reserves, Increase (Decrease) Adjustment | $ | duration | credit | Amount of increase (decrease) in valuation and qualifying accounts and reserves from adjustment. |
| SEC Schedule, 12-09, Valuation Allowances and Reserves, Period Increase (Decrease), Total | $ | duration | | Amount of increase (decrease) in valuation and qualifying accounts and reserves. |