Allowance for Loan Losses - Recorded Investment Segregated by Amounts Individually or Collectively in Allowance for Loan Losses (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	$ 1,492,720	$ 1,043,371
Balance, end of period: Individually evaluated for impairment	19,946	24,673
Balance, end of period: Collectively evaluated for impairment	1,472,774	1,018,698
Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	825,702	411,327
Balance, end of period: Individually evaluated for impairment	9,178	16,077
Balance, end of period: Collectively evaluated for impairment	816,524	395,250
Real estate construction one-to-four family
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	37,751	38,503
Balance, end of period: Individually evaluated for impairment	701	1,349
Balance, end of period: Collectively evaluated for impairment	37,050	37,154
Real estate construction other
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	81,772	60,906
Balance, end of period: Individually evaluated for impairment	0	0
Balance, end of period: Collectively evaluated for impairment	81,772	60,906
Real estate term owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	148,167	138,181
Balance, end of period: Individually evaluated for impairment	7,430	5,104
Balance, end of period: Collectively evaluated for impairment	140,737	133,077
Real estate term non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	318,738	311,302
Balance, end of period: Individually evaluated for impairment	790	178
Balance, end of period: Collectively evaluated for impairment	317,948	311,124
Real estate term other
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	43,245	42,200
Balance, end of period: Individually evaluated for impairment	1,499	1,594
Balance, end of period: Collectively evaluated for impairment	41,746	40,606
Consumer secured by 1st deeds of trust
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	14,037	16,191
Balance, end of period: Individually evaluated for impairment	264	281
Balance, end of period: Collectively evaluated for impairment	13,773	15,910
Consumer other
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	23,308	24,761
Balance, end of period: Individually evaluated for impairment	84	90
Balance, end of period: Collectively evaluated for impairment	$ 23,224	$ 24,671

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No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524

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

+ References

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- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. 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=121593590&loc=d3e4428-111522

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5074-111524

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