Fair Value of Financial Assets and Financial Liabilities (Fair Value of Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Mortgage Loans on Real Estate [Member]
Assets and Related Instruments [Abstract]
Carrying Value, Assets	$ 381	$ 383
Estimated Fair Value, Assets	381	383
Policy Loans [Member]
Assets and Related Instruments [Abstract]
Carrying Value, Assets	1,324	1,317
Estimated Fair Value, Assets	1,324	1,317
Cash Surrender Value [Member]
Assets and Related Instruments [Abstract]
Carrying Value, Assets	5,981	5,931
Estimated Fair Value, Assets	5,981	5,931
Other Long-term Investments [Member]
Assets and Related Instruments [Abstract]
Carrying Value, Assets	3,707	3,777
Estimated Fair Value, Assets	3,707	3,777
Insurance Claims [Member]
Liabilities and Related Instruments [Abstract]
Carrying Value, Liabilities	1,412	1,417
Estimated Fair Value, Liabilities	1,412	1,417
Short-term Debt [Member]
Liabilities and Related Instruments [Abstract]
Carrying Value, Liabilities	1,292	1,292
Estimated Fair Value, Liabilities	1,292	1,292
Long-term Debt [Member]
Liabilities and Related Instruments [Abstract]
Carrying Value, Liabilities	25,639	25,339
Estimated Fair Value, Liabilities	$ 25,639	$ 25,339