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Fair Value Measurements - Quantitative Information, Level 3 (Details) - Nonrecurring - Impaired Loans $ in Thousands	Sep. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Collateral-dependent loans	$ 27	$ 3,380
Level 3
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Collateral-dependent loans	$ 27	$ 3,380
Level 3 | Minimum | Comparability Adjustment
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Range of Inputs		(18.5)
Level 3 | Maximum | Comparability Adjustment
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Range of Inputs		173.5
Level 3 | Weighted Average | Comparability Adjustment
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Range of Inputs		36.8

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- Definition

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+ References

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- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-URI http://asc.fasb.org/subtopic&trid=2196772

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