Off-Balance Sheet Commitments - Allowance for Credit Losses Related to Off-Balance Sheet Items (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
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Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Loss Contingencies [Line Items] | |||
| Balance at beginning of period | $ 2,397 | $ 1,439 | $ 1,296 |
| Adjusted balance | 2,062 | 1,439 | 1,296 |
| Provision expense for credit losses | 730 | 958 | 143 |
| Balance at end of period | 2,792 | $ 2,397 | $ 1,439 |
| ASU 2016-13 | |||
| Loss Contingencies [Line Items] | |||
| Adjustment related to adoption of ASU 2016-13 | $ (335) | ||
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- Definition Off-balance sheet credit loss liability after adjustment. No definition available.
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- Definition Off balance sheet credit loss liability effect of new accounting principle in period of adoption. No definition available.
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- Definition 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. No definition available.
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- Definition Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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