Fair Value Disclosures (Narrative) (Details) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Transfers between Level 1 and Level 2 financial assets	$ 0	$ 0
Transfers between Level 2 to Level 1 financial assets	0	0
Allowance for doubtful accounts reinsurance recoverable	10,820,000	10,820,000
IDC | Fixed Maturity and Equity Securities | Level 3 | Market Approach Valuation Technique
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets at fair value	5,859,000	304,000
Priced internally | Fixed Maturity and Equity Securities | Level 3 | Market Approach Valuation Technique
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets at fair value	$ 124,034,000	$ 65,600,000