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Loans and Leases Loans and Leases (Schedule of Contractually Required Payments Including Principal and Interest, Expected Cash Flows to be Collected and Fair Values) (Details) - USD ($) $ in Thousands | May 01, 2018 | Jan. 13, 2017 | Mar. 11, 2016
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
PCI loans and leases |  | $ 15,555 | $ 199,682
HomeBancorp Inc. |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Contractually required payments | $ 26,651 |  |
Cash flows expected to be collected | 19,697 |  |
PCI loans and leases | $ 15,555 |  |

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