Information of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	Jun. 30, 2016		Dec. 31, 2015
Assets:
Derivative assets	$ 53		$ 206
Total assets	53		206
Liabilities:
Junior subordinated notes, at fair value	10,789		10,504
Derivative liabilities	3,972		4,727
Warrants and investor SARs	29,300		26,200
Total liabilities	44,061		41,431
Significant Other Observable Inputs (Level 2)
Assets:
Derivative assets	53	[1]	206	[2]
Total assets	53	[1]	206	[2]
Liabilities:
Derivative liabilities	3,972	[1]	4,727	[2]
Total liabilities	3,972	[1]	4,727	[2]
Significant Unobservable Inputs (Level 3)
Liabilities:
Junior subordinated notes, at fair value	10,789	[1]	10,504	[2]
Warrants and investor SARs	29,300	[1]	26,200	[2]
Total liabilities	$ 40,089	[1]	$ 36,704	[2]

[1] During the six months ended June 30, 2016, there were no transfers between Level 1 and Level 2, and there were no transfers into and/or out of Level 3.

[2] During the year ended December 31, 2015, there were no transfers between Level 1 and Level 2, and there were no transfers into and/or out of Level 3.