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Employee Benefit Plans - Salary Continuation Plan (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Defined Benefit Plan Disclosure [Line Items] |  |  |
Obligation, at the beginning of the year | $ 4,334 | $ 4,600 | $ 0
Balance acquired in Premier Merger | 4,334 | 4,600 | 4,600
Benefits paid | (460) | (554) | (529)
Expenses incurred | 288 | 288 | 411
Obligation, at the end of the year | 4,162 | 4,334 | 4,600
Accrued Expenses and Other Liabilities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Obligation, at the beginning of the year | 0 | 4,718 |
Balance acquired in Premier Merger | 0 | 4,718 | 4,718
Obligation, at the end of the year | $ 0 | $ 0 | $ 4,718

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- Definition Salary Continuation Plan + References No definition available. + Details
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Period Type: | instant

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- Definition Salary Continuation Plan Benefit Paid + References No definition available. + Details
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- Definition Salary Continuation Plan Expense + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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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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- Details
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Balance Type: |
Period Type: |