Accumulated Other Comprehensive Income (Loss) (Schedule of Balances of Accumulated Other Comprehensive Income (Loss)) (Detail) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2017	Mar. 31, 2016
Unrealized gains (losses) on available-for-sale securities	[1]	$ 0	$ (17)
Unrealized gains (losses) on cash flow hedges	[2]	0	(1,821)
Net Income (Loss) Attributable to Noncontrolling Interest		$ 47	$ 0

[1] Net of tax of zero and ($9) for the three months ended March 31, 2017 and 2016, respectively

[2] Net of tax of zero and ($981) for the three months ended March 31, 2017 and 2016, respectively