Equity - Changes in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ (22,234)
Net other comprehensive income (loss)	18,157	$ 28,871	$ (31,950)
Transition adjustment related to adoption	95,901	(22,393)	219,817	$ 644,729
Ending balance	95,276	(22,234)
AOCI Attributable to Parent [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(29,080)	(57,951)	(28,159)
Gains (losses) arising during period	14,579	12,269	(42,859)
Amounts reclassified from accumulated other comprehensive loss	3,578	16,602	10,909
Net other comprehensive income (loss)	18,157	28,871	(31,950)
Transition adjustment related to adoption	(10,923)	(29,080)	(57,951)	$ (28,159)
Ending balance	(10,923)	(29,080)	(57,951)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(16,419)	(26,623)	(23,916)
Gains (losses) arising during period	(1,428)	10,314	(2,901)
Amounts reclassified from accumulated other comprehensive loss	(174)	(110)	194
Net other comprehensive income (loss)	(1,602)	10,204	(2,707)
Ending balance	(18,021)	(16,419)	(26,623)
Accumulated Other-than-Temporary Impairment of Investment [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(3,298)	(3,509)	(5,877)
Amounts reclassified from accumulated other comprehensive loss	211	211	210
Net other comprehensive income (loss)	211	211	210
Ending balance	(3,087)	(3,298)	(3,509)
Interest Rate Derivatives
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(9,363)	(27,819)	1,634
Gains (losses) arising during period	16,007	1,955	(39,958)
Amounts reclassified from accumulated other comprehensive loss	3,541	16,501	10,505
Net other comprehensive income (loss)	19,548	18,456	(29,453)
Ending balance	$ 10,185	$ (9,363)	(27,819)
Cumulative Effect, Period of Adoption, Adjustment [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Transition adjustment related to adoption			(3,185)
Cumulative Effect, Period of Adoption, Adjustment [Member] | AOCI Attributable to Parent [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Transition adjustment related to adoption			2,158
ASU 2018-02 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | AOCI Attributable to Parent [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Transition adjustment related to adoption			2,158
ASU 2018-02 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accumulated Other-than-Temporary Impairment of Investment [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Transition adjustment related to adoption			$ 2,158