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Employee benefit plans - Salaries and Employee Benefits Expense - Profit Sharing (Details) - Retirement Profit Sharing Plan - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Sep. 30, 2018 | Jun. 30, 2019
Profit Sharing plan |  |
Company contribution | $ 2,700 |
Safe harbor contribution |  | $ 18
Discretionary contributions |  | 92
Future annual premium |  | $ 0

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- Definition The future annual premium due to the current funding status of the pension. + References No definition available. + Details
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- Definition Amount of safe harbor contributions made by employer into fund established for purposes of making future disbursement to individual in accordance with deferred compensation arrangement. + References No definition available. + Details
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- Definition Amount of contributions made by employer into fund established for purposes of making future disbursement to individual in accordance with deferred compensation arrangement. + References No definition available. + Details
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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. + References No definition available. + Details
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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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- Details
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