Goodwill And Other Intangible Assets (Estimated Amortization) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Actual in six months ended June 30, 2015	$ 934	$ 1,156	$ 1,947	$ 2,319
Estimated remaining in 2015	1,766		1,766
Estimated—2016	3,007		3,007
Estimated—2017	2,499		2,499
Estimated—2018	2,186		2,186
Estimated—2019	$ 1,837		$ 1,837