Loans and Leases - Summary of Interest Foregone on Impaired Loans (Detail) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
|
| Receivables [Abstract] | ||||
| Interest income that would have been recognized had impaired loans performed in accordance with their original terms | $ 819,000 | $ 696,000 | $ 2,150,000 | $ 1,934,000 |
| Less: Interest income recognized on impaired loans | (475,000) | (476,000) | (1,224,000) | (1,320,000) |
| Interest foregone on impaired loans | $ 344,000 | $ 220,000 | $ 926,000 | $ 614,000 |
| X | ||||||||||
- Definition Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The gross interest income that would have been recorded in the period on troubled debt restructurings, if the loans had been current in accordance with their original terms and had been outstanding throughout the period or since origination, if held for part of the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- References No definition available.
|