Capitalized Software (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Capitalized Software
Capitalized software costs	$ 88,912,000	$ 94,177,000
Less: accumulated amortization	51,020,000	50,183,000
Total	37,892,000	43,994,000
Capitalized software development costs	22,579,000	24,635,000	29,061,000
Reduction in capitalized software costs and related accumulated amortization for fully amortized costs that are no longer in use	27,500,000
Capitalized software costs not subject to amortization	200,000	0
Amortization of capitalized software costs	$ 28,500,000	$ 32,100,000	$ 35,700,000