Short Duration Contracts (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016	Dec. 31, 2015
Short Duration Contracts [Abstract]
Liability for Claims and Claims Adjustment Expense	$ 447	$ 452	$ 544	$ 514
Reinsurance Recoverables, Including Reinsurance Premium Paid	0	0	0	0
Liability for Unpaid Claims and Claims Adjustment Expense, Net	447	452	$ 544	$ 514
Current Year Claims and Claims Adjustment Expense	673	557
Prior Year Claims and Claims Adjustment Expense	(42)	(87)
Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims	631	470
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Current Year	428	306
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Prior Years	300	226
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid	$ 728	$ 532