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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, 2016	Dec. 31, 2015
Composition of Borrowed Funds [Line Items]
Borrowed funds	$ 45,004	$ 44,730
Borrowed funds, average balance	$ 44,534	$ 49,705
Borrowed funds, interest rate during period	6.75%	5.94%
Long-term borrowings
Composition of Borrowed Funds [Line Items]
Borrowed funds	$ 38,094	$ 37,720
Short-term borrowings
Composition of Borrowed Funds [Line Items]
Borrowed funds	6,910	7,010
Federal funds purchased
Composition of Borrowed Funds [Line Items]
Borrowed funds	0	0
Borrowed funds, average balance	$ 0	$ 237
Borrowed funds, interest rate during period	0.00%	0.86%
FHLB advances and other borrowings
Composition of Borrowed Funds [Line Items]
Borrowed funds	$ 8,646	$ 9,790
Borrowed funds, average balance	$ 9,033	$ 15,457
Borrowed funds, interest rate during period	2.00%	1.14%
Senior line of credit
Composition of Borrowed Funds [Line Items]
Borrowed funds	$ 3,910	$ 2,510
Borrowed funds, average balance	$ 3,064	$ 1,619
Borrowed funds, interest rate during period	3.22%	3.18%
Subordinated notes payable
Composition of Borrowed Funds [Line Items]
Borrowed funds	$ 22,455	$ 22,440
Borrowed funds, average balance	$ 22,446	$ 22,410
Borrowed funds, interest rate during period	7.14%	7.14%
Junior subordinated notes
Composition of Borrowed Funds [Line Items]
Borrowed funds	$ 9,993	$ 9,990
Borrowed funds, average balance	$ 9,991	$ 9,982
Borrowed funds, interest rate during period	11.09%	11.14%

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13,16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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-Name Accounting Standards Codification
-Topic 210
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-Section S99
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