Schedule II (Details) - USD ($) $ in Thousands |
12 Months Ended | ||||
---|---|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|||
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] | |||||
Balance at Beginning of Year | $ 0 | ||||
Additions | [1] | 316 | |||
Deductions | 0 | ||||
Balance at End of Year | 316 | $ 0 | |||
Allowance for Doubtful Accounts [Member] | |||||
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] | |||||
Balance at Beginning of Year | 0 | 257 | $ 0 | ||
Additions | [1] | 0 | 0 | 257 | |
Deductions | 0 | (257) | 0 | ||
Balance at End of Year | 0 | 0 | $ 257 | ||
Allowance for Expected Credit Losses [Member] | |||||
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] | |||||
Balance at Beginning of Year | 0 | ||||
Additions | [1] | 316 | |||
Deductions | 0 | ||||
Balance at End of Year | $ 316 | $ 0 | |||
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