Deferred Policy Acquisition Costs (Deferred Amortized Policy Acquisition Costs) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Document and Entity Information [Abstract]
Deferred, additions	$ 8,247	$ 11,001		$ 27,672
Deferred, disposition			$ (39,300)
Amortized	(9,843)	(11,909)	31,687	(30,524)
Net	$ (1,596)	$ (908)	$ (7,613)	$ (2,852)