Fair Value of Financial Assets and Financial Liabilities (Fair Value of Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Mortgage Loans on Real Estate [Member]
Assets and Related Instruments [Abstract]
Carrying Value, Assets	$ 383	$ 390
Estimated Fair Value, Assets	383	390
Policy Loans [Member]
Assets and Related Instruments [Abstract]
Carrying Value, Assets	1,317	1,244
Estimated Fair Value, Assets	1,317	1,244
Cash Surrender Value [Member]
Assets and Related Instruments [Abstract]
Carrying Value, Assets	5,931	5,660
Estimated Fair Value, Assets	5,931	5,660
Other Long-term Investments [Member]
Assets and Related Instruments [Abstract]
Carrying Value, Assets	3,777	3,929
Estimated Fair Value, Assets	3,777	3,929
Insurance Claims [Member]
Liabilities and Related Instruments [Abstract]
Carrying Value, Liabilities	1,417	1,408
Estimated Fair Value, Liabilities	1,417	1,408
Short-term Debt [Member]
Liabilities and Related Instruments [Abstract]
Carrying Value, Liabilities	1,292	485
Estimated Fair Value, Liabilities	1,292	485
Long-term Debt [Member]
Liabilities and Related Instruments [Abstract]
Carrying Value, Liabilities	25,339	12,372
Estimated Fair Value, Liabilities	$ 25,339	$ 12,372