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Subsequent Event - Additional Information (Detail) - Pegasus Bank [Member] - USD ($) $ in Millions | Apr. 23, 2019 | Dec. 31, 2018
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Subsequent Event [Line Items] |  |
Total assets acquired |  | $ 639.1
Loans |  | 367.4
Deposits |  | $ 595.3
Subsequent Event [Member] |  |
Subsequent Event [Line Items] |  |
Business acquisition, date of agreement | Apr. 23, 2019 |
Contract price | $ 122.0 |

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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- Details
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