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FHLB Advances, Other Borrowings and Junior Subordinated Notes Payable (Composition of Borrowed Funds) (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2019 | Dec. 31, 2018
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | $ 342,941 | $ 308,977
Borrowed funds, average balance | $ 316,073 | $ 308,943
Borrowed funds, interest rate during period | 2.95% | 2.72%
Long-term borrowings |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | $ 223,941 | $ 172,477
Short-term borrowings |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | 119,000 | 136,500
Federal funds purchased |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | 0 | 0
Borrowed funds, average balance | $ 49 | $ 119
Borrowed funds, interest rate during period | 2.70% | 2.43%
FHLB advances |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | $ 308,500 | $ 274,500
Borrowed funds, average balance | $ 280,539 | $ 274,382
Borrowed funds, interest rate during period | 2.20% | 2.06%
Line of credit |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | $ 0 | $ 0
Borrowed funds, average balance | $ 0 | $ 3
Borrowed funds, interest rate during period | 0.00% | 4.47%
Other borrowings |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | $ 675 | $ 675
Borrowed funds, average balance | $ 675 | $ 675
Borrowed funds, interest rate during period | 8.09% | 7.94%
Subordinated notes payable(1) |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | $ 23,722 | $ 23,769
Borrowed funds, average balance | $ 24,772 | $ 23,739
Borrowed funds, interest rate during period | 7.93% | 6.64%
Junior subordinated notes |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | $ 10,044 | $ 10,033
Borrowed funds, average balance | $ 10,038 | $ 10,025
Borrowed funds, interest rate during period | 11.05% | 11.10%

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