Fair Value of Financial Assets and Financial Liabilities (Fair Value of Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Insurance Claims [Member]
Liabilities and Related Instruments [Abstract]
Carrying Value, Liabilities	$ 1,525	$ 1,510
Estimated Fair Value, Liabilities	1,525	1,510
Short-term Debt [Member]
Liabilities and Related Instruments [Abstract]
Carrying Value, Liabilities	1,557	857
Estimated Fair Value, Liabilities	1,557	857
Long-term Debt [Member]
Liabilities and Related Instruments [Abstract]
Carrying Value, Liabilities	17,515	18,715
Estimated Fair Value, Liabilities	17,515	18,715
Held-to-maturity Securities [Member]
Assets and Related Instruments [Abstract]
Carrying Value, Assets	2,767	3,108
Estimated Fair Value, Assets	2,905	3,182
Mortgage Loans on Real Estate [Member]
Assets and Related Instruments [Abstract]
Carrying Value, Assets	208	210
Estimated Fair Value, Assets	208	210
Policy Loans [Member]
Assets and Related Instruments [Abstract]
Carrying Value, Assets	1,556	1,530
Estimated Fair Value, Assets	1,556	1,530
Cash Surrender Value [Member]
Assets and Related Instruments [Abstract]
Carrying Value, Assets	5,161	5,513
Estimated Fair Value, Assets	5,161	5,513
Other Long-term Investments [Member]
Assets and Related Instruments [Abstract]
Carrying Value, Assets	3,484	3,553
Estimated Fair Value, Assets	$ 3,484	$ 3,553