Loans Receivable and Allowance for Credit Losses (Narrative) (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Loans in process of foreclosure
Other real estate owned, net	$ 734,000	$ 830,000
Residential real estate properties
Loans in process of foreclosure
Carrying amount of foreclosed residential real estate properties included in total net OREO	0	188,000
Residential
Loans in process of foreclosure
Recorded investment in residential and consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings were in process	8,300,000	6,600,000
PCI Loans
Nonaccrual loans
Loans on nonaccrual status	$ 5,200,000	$ 5,300,000

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Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
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Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Carrying amount as of the balance sheet date of other real estate and foreclosed assets. Other real estate may include real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. Foreclosed assets include all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
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Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-SubTopic 10
-Section S99
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