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Loans and Allowance for Credit Losses - Loan Portfolio by Impairment Methodology (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans	$ 1,130,351	$ 941,865
Ending balance: individually evaluated for impairment	14,187	3,734
Ending balance: collectively evaluated for impairment	1,116,164	938,131
Commercial
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans	330,194	125,700
Ending balance: individually evaluated for impairment	11,231	187
Ending balance: collectively evaluated for impairment	318,963	125,513
Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans	702,095	708,542
Ending balance: individually evaluated for impairment	1,819	2,036
Ending balance: collectively evaluated for impairment	700,276	706,506
Consumer
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans	98,062	107,623
Ending balance: individually evaluated for impairment	1,137	1,511
Ending balance: collectively evaluated for impairment	$ 96,925	$ 106,112

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