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Loan Servicing - Schedule of Amortization of Mortgage Servicing Rights Netted Against Loan Servicing Fee Income (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Mortgage Loans
Servicing assets:
Beginning of year	$ 1,002	$ 298
Additions	501	602
Disposals	(134)	(31)
Amortized to expense	(271)	(109)
End of period	1,098	760
SBA Loans
Servicing assets:
Beginning of year	2,702	1,807
Additions	2,149	1,033
Disposals	(202)	(99)
Amortized to expense	(377)	(244)
End of period	$ 4,272	$ 2,497

X

- Definition

Amortized amount of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 25
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-URI http://asc.fasb.org/extlink&oid=7524895&loc=d3e120260-111741

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of additions from purchases, assumption or transfer to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Amount of amortization of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

+ References

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- Definition

Amount conveyed to unrelated parties of contract to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

+ References

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