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Summary of Significant Accounting Policies - Transfer of Financial Assets (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Summary of Significant Accounting Policies
Gain on sale of loans held for investment	$ 3,489

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- Definition

The net gain (loss) resulting from a sale of loans held for investment.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	duration

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- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration