v3.21.2
Shareholders' Equity - AOCI Components (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning balance     $ 527,816  
Other comprehensive loss before reclassifications $ (2,749) $ 37,857 (13,109) $ (2,234)
Amounts reclassified from AOCI to net income, net of tax (779) (2,368) (5,025) (6,401)
Other comprehensive (loss) income, after tax (3,528) 35,489 (18,134) (8,635)
Ending balance 404,212 530,739 404,212 530,739
Change in net unrealized gains on investment        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning balance 24,605 (22,125) 49,357 21,996
Other comprehensive loss before reclassifications (194) 41,677 (20,700) 1,589
Amounts reclassified from AOCI to net income, net of tax (779) (2,368) (5,025) (6,401)
Other comprehensive (loss) income, after tax (973) 39,309 (25,725) (4,812)
Ending balance 23,632 17,184 23,632 17,184
Foreign currency translation        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning balance (15,354) (4,163) (25,500) (4,160)
Other comprehensive loss before reclassifications (2,555) (3,820) 7,591 (3,823)
Amounts reclassified from AOCI to net income, net of tax 0 0 0 0
Other comprehensive (loss) income, after tax (2,555) (3,820) 7,591 (3,823)
Ending balance (17,909) (7,983) (17,909) (7,983)
AOCI Attributable to Parent        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning balance 9,251 (26,288) 23,857 17,836
Ending balance $ 5,723 $ 9,201 $ 5,723 $ 9,201