Loans and Allowance for Loan Losses - Loans Held-For-Sale (Details) - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Transfer of loans to held-for-sale	$ 0	$ 522,000	$ 1,355,000	$ 824,000
Transfer of loans to held-for-investment	0	0	697,000	0
Purchase of loans held-for-investment			0	893,000
Loans held-for-sale	30,878,000		30,878,000		$ 1,975,000
Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from sale of loans held-for-investment	0	0	0	0
Real Estate \| Residential property
Accounts, Notes, Loans and Financing Receivable [Line Items]
Transfer of loans to held-for-sale	0	522,000	1,125,000	824,000
Transfer of loans to held-for-investment	0	0	697,000	0
Purchase of loans held-for-investment	0	893,000	0	893,000
Loans held-for-sale	4,047,000		4,047,000		760,000
Real Estate \| SBA property
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held-for-sale	24,197,000		24,197,000		150,000
Commercial and Industrial \| SBA commercial term
Accounts, Notes, Loans and Financing Receivable [Line Items]
Transfer of loans to held-for-sale	0	$ 0	230,000	$ 0
Loans held-for-sale	$ 2,634,000		$ 2,634,000		$ 1,065,000

Financing Receivable, Reclassification To Held-For-Investment

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Amount of financing receivable reclassified to held-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
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Amount, before valuation allowance, of financing receivable classified as held-for-sale.

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-Publisher FASB
-Name Accounting Standards Codification
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The cash outflow associated with purchasing loans held for investment purposes during the period.

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The cash inflow from Sales of Loans Held For Investment.

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