Schedule V - Valuation and Qualifying Accounts Schedule V - Valuation and Qualifying Accounts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Allowance for Possible Loss on Mortgage Loans [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginnning of period	$ 650	$ 650	$ 4,571
Charged to cost and expense	0	0	650
Reduction	0	0	(4,571)
Transfers	0	0	0
Balance at end of period	650	650	650
Allowance for Loan and Lease Losses, Real Estate [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginnning of period	1,735	1,813	1,758
Charged to cost and expense	0	0	55
Reduction	(106)	(78)	0
Transfers	0	0	0
Balance at end of period	$ 1,629	$ 1,735	$ 1,813