Loans and Allowance for Credit Losses - Average Impaired Loans Information Prior to Adoption of ASU 2016-13 (Details) $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($)
Financing Receivable, Impaired [Line Items]
Average Impaired Loans	$ 22,737
Interest Recognized	73
Commercial & industrial loans
Financing Receivable, Impaired [Line Items]
Average Impaired Loans	13,430
Interest Recognized	30
Real estate construction one-to-four family
Financing Receivable, Impaired [Line Items]
Average Impaired Loans	1,132
Interest Recognized	0
Real estate construction other
Financing Receivable, Impaired [Line Items]
Average Impaired Loans	0
Interest Recognized	0
Real estate term owner occupied
Financing Receivable, Impaired [Line Items]
Average Impaired Loans	6,047
Interest Recognized	28
Real estate term non-owner occupied
Financing Receivable, Impaired [Line Items]
Average Impaired Loans	177
Interest Recognized	3
Real estate term other
Financing Receivable, Impaired [Line Items]
Average Impaired Loans	1,583
Interest Recognized	7
Consumer secured by 1st deeds of trust
Financing Receivable, Impaired [Line Items]
Average Impaired Loans	279
Interest Recognized	5
Consumer other
Financing Receivable, Impaired [Line Items]
Average Impaired Loans	89
Interest Recognized	$ 0

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5212-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5258-111524

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Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

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