Deferred Policy Acquisition Costs Deferred Costs, Capitalized, Prepaid, and Other Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Deferred Policy Acquisition Costs Disclosures [Abstract]
Deferred policy acquisition costs, beg. balance	$ 103,882	$ 65,473
Deferred Policy Acquisition Costs, Additions	244,136	210,324
Amortization	(225,900)	(171,915)
Deferred Sales Commission	(16,536)	0
Deferred policy acquisition costs, end. balance	$ 105,582	$ 103,882