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Fair Value of Financial Instruments - Summary of Increase (Decrease) In Value of Certain Assets Held at End of Respective Reporting Periods Presented for Which a Nonrecurring Fair Value Adjustment (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Fair Value, Measurements, Nonrecurring | Loans Receivable      
Financing Receivable Impaired [Line Items]      
Impaired loans $ 105 $ (84) $ 13