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Dividend Restrictions (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Statutory Accounting Practices [Line Items]    
Percentage of dividend withholding tax for distributions 5.00%  
Percentage of dividend distribution tax 30.00%  
Retained earnings $ 89,586 $ 79,753
UNITED STATES    
Statutory Accounting Practices [Line Items]    
Dividend limitations percentage of statutory surplus 10.00%  
Maximum amount of dividends available without regulatory approval $ 26,700  
BERMUDA    
Statutory Accounting Practices [Line Items]    
Maximum amount of dividends and return of capital available $ 125,600