Fair Value Measurement (Tables)

12 Months Ended

Dec. 31, 2018

Schedule of carrying values and fair values of debt instruments

The carrying values and fair values of debt instruments are as follows (in thousands):



	December 31, 2018				December 31, 2017
	Carrying Value		Fair Value		Carrying Value		Fair Value
Bank line of credit	$	247,000	$	247,000	$	247,000	$	247,000
Senior debt	828,517		828,309		808,455		807,698
Subordinated debt	273,337		272,937		111,488		111,095
Securitization debt	400,068		394,756		95,821		96,999
SREC Loans	—		—		32,181		32,183
Total	$	1,748,922	$	1,743,002	$	1,294,945	$	1,294,975

Schedule of financial instruments measured at fair value on a recurring basis

At December 31, 2018 and 2017, financial instruments measured at fair value on a recurring basis, based upon the fair value hierarchy are as follows (in thousands):



	December 31, 2018
	Level 1		Level 2		Level 3		Total
Derivative assets:
Interest rate swaps	—		6,958		—		$	6,958
Total	$	—	$	6,958	$	—	$	6,958

Derivative liabilities:
Interest rate swaps	—		11,910		—		$	11,910
Total	$	—	$	11,910	$	—	$	11,910



	December 31, 2017
	Level 1		Level 2		Level 3		Total
Derivative assets:
Interest rate swaps	—		1,917		—		$	1,917
Total	$	—	$	1,917	$	—	$	1,917

Derivative liabilities:
Interest rate swaps	—		8,568		—		$	8,568
Total	$	—	$	8,568	$	—	$	8,568