Income Taxes Text Details (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Other Tax Carryforward [Line Items]
Increase (Decrease) in Deferred Income Taxes	$ 6,900,000
Deferred Tax Liabilities, Tax Deferred Income	7,168,000	7,072,000
Deferred Tax Assets, Net	55,364,000	62,245,000
Deferred Tax Assets, Valuation Allowance	2,000,000	2,232,000
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	346,000	781,000
Operating Loss Carryforwards	6,300,000
Unrecognized Tax Benefits that Would Not Impact Effective Tax Rate	4,300,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	400,000	200,000	400,000
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions	(4,332,000)	0	(60,000)
Unrecognized Tax Benefits	549,000	4,802,000	526,000	477,000
Unrecognized Tax Benefits, Period Increase (Decrease)	4,300,000
Unrecognized Tax Benefits, Increase Resulting from Settlements with Taxing Authorities	1,500,000
Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities	1,493,000	0	0
Significant Change in Unrecognized Tax Benefits, Nature of Event	the release of $4.3 million of timing-related uncertainties as a result of the Company filing an accounting method change for income tax purposes.
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	400,000	(300,000)	0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	0	400,000	0
Income Tax Examination, Year under Examination	2009	2009	2008
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority	0
Income Tax Examination, Likelihood of Unfavorable Settlement	The Company believes the resolution of this examination will not have a significant impact on the effective tax rate.
Effective Income Tax Rate Reconciliation, Tax Settlement, Amount	600,000
Capital Gain Carryforward [Member]
Other Tax Carryforward [Line Items]
Deferred Tax Liabilities, Tax Deferred Income	200,000
Deferred Revenue	400,000
Capital Loss Carryforward [Member]
Other Tax Carryforward [Line Items]
Other Tax Carryforward, Deferred Tax Asset	2,200,000
Other Tax Carryforward, Gross Amount	5,300,000
Deferred Tax Assets, Valuation Allowance	2,000,000	2,200,000
Valuation Allowance, Deferred Tax Asset, Change in Amount	200,000
Shareholders' Equity [Member]
Other Tax Carryforward [Line Items]
Increase (Decrease) in Deferred Income Taxes	3,400,000
Expiring in 2014 [Member] | Capital Loss Carryforward [Member]
Other Tax Carryforward [Line Items]
Other Tax Carryforward, Gross Amount	4,100,000
Expiring in 2016 [Member] | Capital Loss Carryforward [Member]
Other Tax Carryforward [Line Items]
Other Tax Carryforward, Gross Amount	1,200,000
Expiring in 2030 [Member]
Other Tax Carryforward [Line Items]
Operating Loss Carryforwards	4,400,000
Expiring in 2031 [Member]
Other Tax Carryforward [Line Items]
Operating Loss Carryforwards	100,000
Expiring in 2032 [Member]
Other Tax Carryforward [Line Items]
Operating Loss Carryforwards	1,800,000
Discontinued Operations [Member]
Other Tax Carryforward [Line Items]
Increase (Decrease) in Deferred Income Taxes	$ 1,700,000