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Summary of Significant Accounting Policies - Originated Loans and Allowance for Loan Losses (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Originated Loans and Allowance for Loan Losses
Non-accrual Status Collection Days Past Due	90 days
Aggregate balance	$ 30,740
Performing | Maximum
Originated Loans and Allowance for Loan Losses
Threshold for classification as performing loans	90 days
Non-Performing | Minimum
Originated Loans and Allowance for Loan Losses
Threshold for classification as performing loans	90 days

X

- Definition

Period of time past contractual due date after which loans are generally placed on non-accrual status.

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- Definition

Outstanding principal for which the Bank has accommodated certain borrowers by granting short-term payment deferrals or periods of interest-only payments.

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- Definition

Period of time past due which is used as a threshold for classification of loans as performing or non-performing.

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- Definition

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.

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