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Fair Value Measurements - Quantitative Information, Level 3 (Details) - Nonrecurring $ in Thousands	Jun. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Collateral-dependent loans		$ 2,619
Impaired Loans
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Collateral-dependent loans	$ 1,795
Branch held for sale
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Collateral-dependent loans		1,330
Level 3
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Collateral-dependent loans		2,619
Level 3 | Impaired Loans
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Collateral-dependent loans	$ 1,795	$ 1,289
Level 3 | Impaired Loans | Minimum | Comparability Adjustment
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Range of Inputs	(0.200)	(40.1)
Level 3 | Impaired Loans | Maximum | Comparability Adjustment
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Range of Inputs	0.550	0.6
Level 3 | Impaired Loans | Weighted Average | Comparability Adjustment
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Range of Inputs	0.183	(24.1)
Level 3 | Branch held for sale
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Collateral-dependent loans		$ 1,330
Level 3 | Branch held for sale | Minimum | Comparability Adjustment
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Range of Inputs		40.3
Level 3 | Branch held for sale | Maximum | Comparability Adjustment
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Range of Inputs		140.7
Level 3 | Branch held for sale | Weighted Average | Comparability Adjustment
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Range of Inputs		33.2

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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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