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Borrowings (Other Borrowings) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Long-term Federal Home Loan Bank Advances	$ 32,001	$ 41,126
Convertible note due July 2015 at 4.34% [Member]
Debt Instrument, Basis Spread on Variable Rate	0.17%
Debt Instrument, Description of Variable Rate Basis	three-month LIBOR
Convertible note due January 2017 at 4.71% [Member]
Long-term Federal Home Loan Bank Advances	$ 10,000	10,000
Debt Instrument, Interest Rate, Stated Percentage	4.71%
Amortizing fixed rate borrowing due December 2017 at 1.27% [Member]
Long-term Federal Home Loan Bank Advances	$ 4,025	8,000
Debt Instrument, Interest Rate, Stated Percentage	1.27%
Amortizing fixed rate borrowing due January 2018 at 0.91% [Member]
Long-term Federal Home Loan Bank Advances	$ 662	1,267
Debt Instrument, Interest Rate, Stated Percentage	0.91%
Amortizing fixed rate borrowing due December 2018 at 1.42% [Member]
Long-term Federal Home Loan Bank Advances	$ 1,634	2,434
Debt Instrument, Interest Rate, Stated Percentage	1.42%
Amortizing fixed rate borrowing due June 2020 at 1.49% [Member]
Long-term Federal Home Loan Bank Advances	$ 7,078	9,033
Debt Instrument, Interest Rate, Stated Percentage	1.49%
Amortizing fixed rate borrowing due December 2020 at 1.71% [Member]
Long-term Federal Home Loan Bank Advances	$ 4,034	5,000
Debt Instrument, Interest Rate, Stated Percentage	1.71%
Amortizing fixed rate borrowing due March 2022 at 1.75% [Member]
Long-term Federal Home Loan Bank Advances	$ 4,568	$ 5,392
Debt Instrument, Interest Rate, Stated Percentage	1.75%

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64702-112823

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822

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