Equity and Noncontrolling Interest (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Jan. 01, 2020	Jan. 01, 2019
Beginning Balance	$ 1,242,366,000	$ 436,369,000
Cumulative effect of accounting change			$ (402,000)	$ (44,000)
Adjusted Beginning Balance			1,241,964,000	436,325,000
Net income	(28,344,000)	13,900,000
Amounts reported in other comprehensive income (loss)	(43,486,000)	1,547,000
Dividends, Common Stock	(6,834,000)	(4,933,000)
Acquisition of Noncontrolling Interest	(1,047,000)	0
Disposition of Noncontrolling Interest	(751,000)
Share issuance and equity-based compensation plans	1,039,000	(476,000)
Ending Balance	1,162,541,000	446,363,000
Common Stock [Member]
Beginning Balance	17,735,000	13,338,000
Cumulative effect of accounting change			0	0
Adjusted Beginning Balance			17,735,000	13,338,000
Net income	0	0
Amounts reported in other comprehensive income (loss)	0	0
Dividends, Common Stock	0	0
Acquisition of Noncontrolling Interest	0
Disposition of Noncontrolling Interest	0
Share issuance and equity-based compensation plans	17,000	(4,000)
Ending Balance	17,752,000	13,334,000
Additional Paid-in Capital [Member]
Beginning Balance	888,218,000	97,304,000
Cumulative effect of accounting change			0	0
Adjusted Beginning Balance			888,218,000	97,304,000
Net income	0	0
Amounts reported in other comprehensive income (loss)	0	0
Dividends, Common Stock	0	0
Acquisition of Noncontrolling Interest	(707,000)
Disposition of Noncontrolling Interest	0
Share issuance and equity-based compensation plans	1,022,000	(472,000)
Ending Balance	888,533,000	96,832,000
Retained Earnings [Member]
Beginning Balance	412,979,000	405,125,000
Cumulative effect of accounting change			(402,000)	(44,000)
Adjusted Beginning Balance			412,577,000	405,081,000
Net income	(28,381,000)	13,844,000
Amounts reported in other comprehensive income (loss)	0	0
Dividends, Common Stock	(6,834,000)	(4,933,000)
Acquisition of Noncontrolling Interest	0
Disposition of Noncontrolling Interest	0
Share issuance and equity-based compensation plans	0	0
Ending Balance	377,362,000	413,992,000
Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance	(78,170,000)	(80,715,000)
Cumulative effect of accounting change			0	0
Adjusted Beginning Balance			(78,170,000)	(80,715,000)
Net income	0	0
Amounts reported in other comprehensive income (loss)	(43,354,000)	1,548,000
Dividends, Common Stock	0	0
Acquisition of Noncontrolling Interest	0
Disposition of Noncontrolling Interest	0
Share issuance and equity-based compensation plans	0	0
Ending Balance	(121,524,000)	(79,167,000)
Noncontrolling Interest [Member]
Beginning Balance	1,604,000	1,317,000
Cumulative effect of accounting change			0	0
Adjusted Beginning Balance			$ 1,604,000	$ 1,317,000
Net income	37,000	56,000
Amounts reported in other comprehensive income (loss)	(132,000)	(1,000)
Dividends, Common Stock	0	0
Acquisition of Noncontrolling Interest	(340,000)
Disposition of Noncontrolling Interest	(751,000)
Share issuance and equity-based compensation plans	0	0
Ending Balance	$ 418,000	$ 1,372,000