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Statutory (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Statutory [Abstract]      
Net income of the insurance subsidiaries in accordance with statutory accounting practices $ 25,302 $ 36,236 $ 22,000
Consolidated statutory capital and surplus for subsidiaries 371,793 $ 395,891  
Amount of statutory surplus transferred by dividend or loan to the parent company 37,937    
Minimum statutory surplus necessary for the insurance subsidiaries to satisfy statutory risk based capital requirements 131,608    
Consolidated statutory capital and surplus exceeded requirement $ 240,185