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Allowance for Loan Losses - Schedule of Allowance for Loans Losses and Recorded Investment in Loans by Loan Segment (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	$ 882		$ 1,110
Collectively evaluated for impairment	15,734		20,052
Total	16,616	$ 20,797	21,162	$ 18,913	$ 12,880	$ 10,742
Individually evaluated for impairment	3,715		3,296
Collectively evaluated for impairment	639,253		1,227,095
Total	642,968		1,230,391	1,230,391
Real Estate- Residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	2,556		2,088
Total	2,556		2,088
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	79,889		64,724
Total	79,889		64,724	64,724
Real Estate- Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	92		162
Collectively evaluated for impairment	3,090		2,737
Total	3,182		2,899
Individually evaluated for impairment	2,925		2,348
Collectively evaluated for impairment	148,197		112,536
Total	151,122		114,884	114,884
Real Estate - Construction and Land
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	339		310
Total	339		310
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	17,848		15,113
Total	17,848		15,113	15,113
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	790		948
Collectively evaluated for impairment	9,381		14,470
Total	10,171		15,418
Individually evaluated for impairment	790		948
Collectively evaluated for impairment	231,626		192,979
Total	232,416		193,927	193,927
Commercial and industrial - PPP
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	0		0
Total	0		0
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	156,783		838,847
Total	156,783		838,847	838,847
Consumer and other
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	312		252
Total	312		252
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	4,910		2,896
Total	4,910		2,896	$ 2,896
Unallocated
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	56		195
Total	56		195
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	0		0
Total	$ 0		$ 0