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FHLB Advances, Other Borrowings and Junior Subordinated Notes Payable (Composition of Borrowed Funds) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2017 | Dec. 31, 2016
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | $ 131,849 | $ 69,680
Borrowed funds, average balance | $ 96,630 | $ 50,945
Borrowed funds, interest rate during period | 3.67% | 6.03%
Long-term borrowings |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | $ 53,782 | $ 49,092
Short-term borrowings |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | 78,067 | 20,588
Federal funds purchased |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | 0 | 0
Borrowed funds, average balance | $ 244 | $ 178
Borrowed funds, interest rate during period | 1.15% | 0.92%
FHLB advances |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | $ 96,057 | $ 33,578
Borrowed funds, average balance | $ 60,703 | $ 14,485
Borrowed funds, interest rate during period | 1.01% | 0.97%
Line of credit |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | $ 1,010 | $ 1,010
Borrowed funds, average balance | $ 1,010 | $ 2,079
Borrowed funds, interest rate during period | 3.54% | 3.26%
Other borrowings |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | $ 2,262 | $ 2,590
Borrowed funds, average balance | $ 2,164 | $ 1,739
Borrowed funds, interest rate during period | 8.26% | 7.64%
Subordinated notes payable |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | $ 22,512 | $ 22,498
Borrowed funds, average balance | $ 22,503 | $ 22,467
Borrowed funds, interest rate during period | 7.12% | 7.13%
Junior subordinated notes |  |
Composition of Borrowed Funds [Line Items] |  |
Borrowed funds | $ 10,008 | $ 10,004
Borrowed funds, average balance | $ 10,006 | $ 9,997
Borrowed funds, interest rate during period | 10.97% | 11.07%

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