Other Intangible Assets - Additional Disclosures (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Amortization of finite-lived intangible assets	$ 700	$ 700	$ 1,400	$ 1,400
Amortization of deferred financing costs	$ 100	$ 100	$ 253	$ 205
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