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Income Taxes - Summary of Liabilities for Unrecognized Tax Benefits Reconciliation (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Balance at beginning of period $ 152 $ 327
Gross increases in current period tax positions 217 31
Settlements with taxing authorities 0 (88)
Settlements with taxing authorities (16) (118)
Balance at end of period 353 152
Accrued interest and penalties at end of period 69 24
Total liability for unrecognized tax benefits $ 422 $ 176