Allowance For Loan Losses - Recorded Investment Segregated By Amounts Individually Or Collectively In Allowance For Loan Losses (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable, Allowance for Credit Losses [Line Items]
Total financing receivables	$ 979,449	$ 985,399
Individually evaluated for impairment	38,656	34,640
Collectively evaluated for impairment	940,793	950,759
Commercial
Financing Receivable, Allowance for Credit Losses [Line Items]
Total financing receivables	278,178	272,441
Individually evaluated for impairment	18,657	14,551
Collectively evaluated for impairment	259,521	257,890
Real estate construction one-to-four family
Financing Receivable, Allowance for Credit Losses [Line Items]
Total financing receivables	26,061	44,488
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	26,061	44,488
Real estate construction other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total financing receivables	72,159	74,956
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	72,159	74,956
Real estate term owner occupied
Financing Receivable, Allowance for Credit Losses [Line Items]
Total financing receivables	152,178	143,741
Individually evaluated for impairment	16,946	17,229
Collectively evaluated for impairment	135,232	126,512
Real estate term non-owner occupied
Financing Receivable, Allowance for Credit Losses [Line Items]
Total financing receivables	356,601	347,516
Individually evaluated for impairment	1,084	825
Collectively evaluated for impairment	355,517	346,691
Real estate term other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total financing receivables	45,402	46,672
Individually evaluated for impairment	1,302	1,487
Collectively evaluated for impairment	44,100	45,185
Consumer secured by 1st deeds of trust
Financing Receivable, Allowance for Credit Losses [Line Items]
Total financing receivables	23,589	26,673
Individually evaluated for impairment	615	548
Collectively evaluated for impairment	22,974	26,125
Consumer other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total financing receivables	25,281	28,912
Individually evaluated for impairment	52	0
Collectively evaluated for impairment	$ 25,229	$ 28,912

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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

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The balance of financing receivables that were individually evaluated for impairment.

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- Definition

Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

+ 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 210.5-02.3)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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