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FHLB Advances, Other Borrowings and Junior Subordinated Notes Payable (Composition of Borrowed Funds) (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2019 | Dec. 31, 2018
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | $ 308,012 | $ 308,977
Borrowed funds, average balance | $ 301,550 | $ 308,943
Borrowed funds, interest rate during period | 2.87% | 2.72%
Long-term borrowings |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | $ 179,512 | $ 172,477
Short-term borrowings |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | 128,500 | 136,500
Federal funds purchased |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | 0 | 0
Borrowed funds, average balance | $ 0 | $ 119
Borrowed funds, interest rate during period | 0.00% | 2.43%
FHLB advances |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | $ 273,500 | $ 274,500
Borrowed funds, average balance | $ 267,058 | $ 274,382
Borrowed funds, interest rate during period | 2.21% | 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 | 8.04% | 7.94%
Subordinated notes payable |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | $ 23,797 | $ 23,769
Borrowed funds, average balance | $ 23,781 | $ 23,739
Borrowed funds, interest rate during period | 6.63% | 6.64%
Junior subordinated notes |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | $ 10,040 | $ 10,033
Borrowed funds, average balance | $ 10,036 | $ 10,025
Borrowed funds, interest rate during period | 10.99% | 11.10%

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