Goodwill and Other Intangible Assets - Identifiable Intangible Assets Subject To Amortization (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Total other intangibles, gross	$ 29,081	$ 36,581
Less accumulated amortization	13,458	19,473
Other intangibles, net	15,623	17,108
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Total other intangibles, gross	29,081	35,781
Non-compete Agreements
Finite-Lived Intangible Assets [Line Items]
Total other intangibles, gross	$ 0	$ 800