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Mortgage Servicing Rights, Net (Tables)

12 Months Ended

Dec. 31, 2016

Mortgage Servicing [Abstract]

Schedule Of Servicing Assets At Fair Value [Table Text Block]

					Year ended December 31
(Dollars in thousands)					2016			2015
Beginning balance				$	2,316			2,388
Additions, net					324			529
Amortization expense					(687)			(654)
Change in valuation allowance					(1)			53
Ending balance				$	1,952			2,316
Valuation allowance included in MSRs, net:
Beginning of period				$	—			53
End of period					1			—
Fair value of amortized MSRs:
Beginning of period				$	3,086			3,238
End of period					2,678			3,086

Data And Assumptions Used In Fair Value Calculation Of MSRs [Table Text Block]

				December 31
(Dollars in thousands)				2016			2015
Unpaid principal balance			$	338,434			358,928
Weighted average prepayment speed (CPR)				10.9	%		10.0
Discount rate (annual percentage)				10.0	%		10.0
Weighted average coupon interest rate				3.8	%		3.9
Weighted average remaining maturity (months)				257			266
Weighted average servicing fee (basis points)				25.0			25.0

Estimated Amortization Expense Of MSRs For Five Years [Table Text Block]

(Dollars in thousands)	December 31, 2016
2017			$	424
2018				356
2019				301
2020				255
2021				215

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- Definition

Tabular disclosure of the activity in the balance of servicing assets (including a description of where changes in fair value are reported in the statement of income for each period for which results of operations are presented), including but not limited to, the following: beginning and ending balances, additions (for instance, through purchases of servicing assets), disposals, changes in fair value during the period resulting from changes in inputs or assumptions used in the valuation model, other changes in fair value along with a description of those changes, and other changes that affect the balance along with a description of those changes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=56950315&loc=d3e122625-111746

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Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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