Other Intangible Assets (Additional Disclosures) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Amortization of other intangible assets	$ 2,800,000	$ 3,000,000	$ 3,000,000
Impairment loss	0	0	0
Amortization of deferred financing costs	$ 424,000	$ 346,000	$ 343,000
Minimum
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Amortization period	2 years
Maximum
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Amortization period	20 years