Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2019

Fair Value Disclosures [Abstract]

Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

The following tables summarize our financial assets and liabilities that are measured at fair value on a recurring basis and the fair value measurements, by level, within the fair value hierarchy as of June 30, 2019 and December 31, 2018:

			Fair Value Measurements Using:
As of June 30, 2019	Fair Value		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
(in thousands)
Assets:
Investments—equity securities	$	26	$	26	$	—	$	—
Investments—guaranteed income fund	791		—		—		791
Investments—mutual funds and other	8,004		8,004		—		—
Total investments	8,821		8,030		—		791
Derivative assets	10,571		—		10,571		—
Total assets	$	19,392	$	8,030	$	10,571	$	791
Liabilities:
Derivative liabilities	$	10,994	$	—	$	10,994	$	—

			Fair Value Measurements Using:
As of December 31, 2018	Fair Value		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
(in thousands)
Assets:
Investments—equity securities	$	22	$	22	$	—	$	—
Investments—guaranteed income fund	686		—		—		686
Investments—mutual funds and other	6,003		6,003		—		—
Total investments	6,711		6,025		—		686
Derivative assets	13,165		—		13,165		—
Total assets	$	19,876	$	6,025	$	13,165	$	686
Liabilities:
Derivative liabilities	$	14,871	$	—	$	14,871	$	—

Summary of Changes in Fair Value of Investments

The following table sets forth the summary of the changes in the fair value of Level 3 investments for the six months ended June 30, 2019 and 2018:

     

	Six Months Ended   June 30,
	2019			2018
(in thousands)
Beginning Balance	$	686		$	648
Purchases and adjustments	110			54
Transfers	—			(24		)
Distribution	(12		)	(12		)
Investment income	7			5
Ending Balance	$	791		$	671