Other Intangible Assets (Net Carrying Value) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Other intangible assets:
Total other intangible assets	$ 40,211	$ 26,982
Core deposit intangible assets
Other intangible assets:
Total other intangible assets	40,211	26,654
Non-compete intangible assets
Other intangible assets:
Total other intangible assets	$ 0	$ 328