Goodwill and Other Intangible Assets Expected future amortization expense (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	$ 1,625,000	$ 1,306,000	$ 1,400,000
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	1,100,000
Estimated annual amortization expense, year one	1,200,000
Estimated annual amortization expense, year two	1,200,000
Estimated annual amortization expense, year three	1,200,000
Estimated annual amortization expense, year four	1,200,000
Estimated annual amortization expense, year five	1,200,000
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	1,500,000
Estimated annual amortization expense, year one	1,600,000
Estimated annual amortization expense, year two	1,600,000
Estimated annual amortization expense, year three	1,600,000
Estimated annual amortization expense, year four	1,600,000
Estimated annual amortization expense, year five	$ 1,600,000