Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Other Intangibles - Other intangible assets (Details)

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Goodwill and Other Intangibles - Other intangible assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Other intangible assets    
Gross definite-lived intangible assets $ 54,511 $ 20,932
Accumulated amortization (20,638) (18,683)
Net definite-lived intangible assets 33,873 2,249
Indefinite-lived intangible assets not subject to amortization 407 407
Other intangible assets, net $ 34,280 $ 2,656