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Borrowings - Activity (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Assets Sold under Agreements to Repurchase [Line Items] |  |
Long-term debt | $ 438,838 | $ 304,675
Securities sold under agreements to repurchase |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Long-term debt | $ 32,469 | $ 23,745
Weighted Average Interest Rate | 0.61% | 0.89%
FHLB advances |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Long-term debt | $ 200,000 | $ 250,000
Weighted Average Interest Rate | 0.77% | 1.60%
Subordinated debt |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Long-term debt | $ 189,750 | $ 30,930
Weighted Average Interest Rate | 5.10% | 5.13%
Other Borrowings |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Long-term debt | $ 16,619 | $ 0
Weighted Average Interest Rate | 1.88% | 0.00%

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