Consolidated Statement of Capital (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Net income	$ 98,488	$ 196,816
Other comprehensive income (loss)
Amounts reclassified from accumulated other comprehensive income (loss)	(1,492)	1,010
Contributions from partners	1,777
Distributions to partners	(1,039)	(1,070)
Restricted units issued as a result of restricted stock issued by Parent Company, net of amortization	4,819	4,208
Total Partners' Capital [Member]
Net income	97,281	195,228
Other comprehensive income (loss)
Amounts reclassified from accumulated other comprehensive income (loss)	(1,317)	926
Restricted units issued as a result of restricted stock issued by Parent Company, net of amortization	4,819	4,208
Partnership Interest [Member]
Beginning Balance	6,178,039	6,109,932
Net income	98,488	196,816
Other comprehensive income (loss)
Other comprehensive income (loss) before reclassification	(2,544)	8,214
Amounts reclassified from accumulated other comprehensive income (loss)	(1,492)	1,010
Contributions from partners	1,777
Distributions to partners	(112,868)	(108,515)
Restricted units issued as a result of restricted stock issued by Parent Company, net of amortization	4,819	4,208
Common units repurchased and retired as a result of common stock repurchased and retired by Parent Company	(20,006)
Common units repurchased as a result of common stock repurchased by Parent Company, net of issuances	(6,778)	(5,973)
Ending Balance	6,139,435	6,205,692
Partnership Interest [Member] | Total Partners' Capital [Member]
Beginning Balance	6,131,474	6,072,818
Net income	97,701	196,091
Other comprehensive income (loss)
Other comprehensive income (loss) before reclassification	(2,327)	7,574
Amounts reclassified from accumulated other comprehensive income (loss)	(1,322)	930
Distributions to partners	(111,829)	(107,445)
Restricted units issued as a result of restricted stock issued by Parent Company, net of amortization	4,819	4,208
Common units repurchased and retired as a result of common stock repurchased and retired by Parent Company	(20,006)
Common units repurchased as a result of common stock repurchased by Parent Company, net of issuances	(6,778)	(5,973)
Ending Balance	6,091,732	6,168,203
Partnership Interest [Member] | Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance	7,560	(10,227)
Other comprehensive income (loss)
Other comprehensive income (loss) before reclassification	(2,316)	7,537
Amounts reclassified from accumulated other comprehensive income (loss)	(1,317)	926
Ending Balance	3,927	(1,764)
Partnership Interest [Member] | Noncontrolling Interests In Limited Partners Interest In Consolidated Partnerships [Member]
Beginning Balance	46,565	37,114
Net income	787	725
Other comprehensive income (loss)
Other comprehensive income (loss) before reclassification	(217)	640
Amounts reclassified from accumulated other comprehensive income (loss)	(170)	80
Contributions from partners	1,777
Distributions to partners	(1,039)	(1,070)
Ending Balance	47,703	37,489
Partnership Interest [Member] | General Partner Preferred and Common Units [Member]
Beginning Balance	6,089,425	6,047,598
Net income	97,281	195,228
Other comprehensive income (loss)
Distributions to partners	(111,347)	(106,970)
Restricted units issued as a result of restricted stock issued by Parent Company, net of amortization	4,819	4,208
Common units repurchased and retired as a result of common stock repurchased and retired by Parent Company	(20,006)
Common units repurchased as a result of common stock repurchased by Parent Company, net of issuances	(6,778)	(5,973)
Ending Balance	6,053,394	6,134,091
Partnership Interest [Member] | Limited Partner [Member]
Beginning Balance	34,489	35,447
Net income	420	863
Other comprehensive income (loss)
Other comprehensive income (loss) before reclassification	(11)	37
Amounts reclassified from accumulated other comprehensive income (loss)	(5)	4
Distributions to partners	(482)	(475)
Ending Balance	$ 34,411	$ 35,876