Organization and Basis of Presentation - Additional Information (Detail) - USD ($) $ in Thousands |
9 Months Ended | |
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Sep. 30, 2020 |
Dec. 31, 2019 |
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| Organization And Basis Of Presentation [Line Items] | ||
| Increase to beginning balance of allowance for credit losses | $ 17,400 | |
| Decrease to beginning balance of allowance for off balance sheet items | (300) | |
| Retained earnings | 102,751 | $ 100,551 |
| Cumulative Effect Period of Adoption Adjustment | Impact of ASU 2016-13 Adoption | ||
| Organization And Basis Of Presentation [Line Items] | ||
| Retained earnings | $ 12,200 |
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- Definition Organization and basis of presentation. No definition available.
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- Definition Amount of increase (decrease) in allowance for credit loss on financing receivable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of expense (reversal of expense) for expected credit loss on off-balance sheet commitment, from change in methodology. 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 The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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