Other Intangible Assets - Additional Disclosures (Details) - USD ($)	3 Months Ended			9 Months Ended
	Sep. 30, 2016	Mar. 31, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Amortization of finite-lived intangible assets	$ 900,000		$ 1,200,000	$ 3,100,000	$ 3,600,000
Impairment of finite-lived intangible assets	0	$ 9,200,000	0		0
Amortization of deferred financing costs	$ 100,000		$ 100,000	$ 308,000	$ 260,000
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