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Loans and Allowance for Loan Losses - Loans outstanding by portfolio segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Loans and Allowance for Loan Losses
Total loans	$ 1,721,279	$ 1,701,850
Deferred loan fees and costs	1,000	1,700
Commercial
Loans and Allowance for Loan Losses
Total loans	1,000,225	969,634
Consumer
Loans and Allowance for Loan Losses
Total loans	721,054	732,216
Commercial and industrial | Commercial
Loans and Allowance for Loan Losses
Total loans	479,144	510,706
Real estate construction | Commercial
Loans and Allowance for Loan Losses
Total loans	26,378	18,965
Residential | Consumer | Real estate first mortgage
Loans and Allowance for Loan Losses
Total loans	457,155	448,143
Residential | Consumer | Real estate junior lien
Loans and Allowance for Loan Losses
Total loans	177,373	188,855
Commercial real estate | Commercial
Loans and Allowance for Loan Losses
Total loans	494,703	439,963
Other revolving and installment | Consumer
Loans and Allowance for Loan Losses
Total loans	$ 86,526	$ 95,218

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The amount of deferred loan fees and cost incurred during the reporting period.

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- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522

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