Accumulated Other Comprehensive Income (Loss) (Schedule of Balances of Accumulated Other Comprehensive Income (Loss)) (Detail) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Unrealized gains (losses) on available-for-sale securities, beginning balance		$ 435
Unrealized losses on cash flow hedges, beginning balance		1,821
Total Accumulated Other Comprehensive Loss, beginning balance	[1]	2,256
Unrealized gains (losses) on available-for-sale securities	[2]	(17)	$ (38)
Unrealized gains (losses) on cash flow hedges	[3]	(1,821)	4,999
Total Accumulated Other Comprehensive Loss		(1,838)	$ 4,961
Unrealized gains (losses) on available-for-sale securities, ending balance		418
Unrealized losses on cash flow hedges, ending balance		0
Total Accumulated Other Comprehensive Loss, ending balance	[4]	$ 418

[1] Note 1

[2] Net of tax of ($9) and ($20) for the three months ended March 31, 2016 and 2015, respectively.

[3] Net of tax of ($981) and $2,692 for the three months ended March 31, 2016 and 2015, respectively

[4] unaudited