Interest Expense Interest Expense (Tables)

6 Months Ended

Jun. 30, 2019

Interest Expense [Abstract]

Interest Income and Interest Expense Disclosure [Table Text Block]

The following is a summary of interest expense included in the statements of operations:

	Three Months Ended June 30,						Six Months Ended June 30,
	2019			2018			2019			2018
	(In thousands)
Interest expense	$	20,431		$	21,884		$	43,308		$	45,559
Amortization of deferred financing costs	714			1,241			1,878			2,458
Net unrealized loss (gain) on derivative financial instruments not designated as cash flow hedges	—			(432		)	48			(1,551		)
Capitalized interest	(8,038		)	(4,666		)	(14,953		)	(9,182		)
Interest expense	$	13,107		$	18,027		$	30,281		$	37,284