Partners' Equity, Allocations and Cash Distribution - Distributions paid and Preferred Units (Details) - USD ($) $ / shares in Units, $ in Thousands													3 Months Ended
	Oct. 25, 2022	Oct. 17, 2022	Aug. 15, 2022	Aug. 12, 2022	Jul. 26, 2022	Jul. 18, 2022	May 16, 2022	May 13, 2022	Apr. 26, 2022	Apr. 18, 2022	Feb. 15, 2022	Feb. 14, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021
Cash Distribution Payment
Per Unit Cash Distribution (in dollars per unit)				$ 0.6050				$ 0.5950				$ 0.5850
Cash distribution, common units				$ 20,567				$ 20,227				$ 19,887
Cash distribution, general partner				147				144				141
Cash distribution, incentive				1,075				973				871
Distributions, Total				$ 21,789				$ 21,344				$ 20,899	$ 25,252	$ 24,807	$ 24,362	$ 23,916	$ 23,916	$ 21,022
Common Limited Partners
Distribution declared
Quarterly cash distributions declared (in dollars per unit)					$ 0.6050				$ 0.5950
Common Limited Partners | Subsequent event
Distribution declared
Quarterly cash distributions declared (in dollars per unit)	$ 0.6250
Common Limited Partners | Subsequent event | Annualized Basis
Cash Distribution Payment
Per Unit Cash Distribution (in dollars per unit)	$ 2.50
Series A Preferred Limited Partners
Cash Distribution Payment
Per Unit Cash Distribution (in dollars per unit)			$ 0.609375				$ 0.609375				$ 0.609375
Cash distribution			$ 1,682				$ 1,682				$ 1,682
Distribution declared
Quarterly cash distributions declared (in dollars per unit)						$ 0.609375				$ 0.609375
Series A Preferred Limited Partners | Subsequent event
Distribution declared
Quarterly cash distributions declared (in dollars per unit)		$ 0.609375
Series A Preferred Limited Partners | Subsequent event | Annualized Basis
Cash Distribution Payment
Per Unit Cash Distribution (in dollars per unit)		2.4375
Series B Preferred Limited Partners
Cash Distribution Payment
Per Unit Cash Distribution (in dollars per unit)			$ 0.59375				$ 0.59375				$ 0.59375
Cash distribution			$ 1,781				$ 1,781				$ 1,781
Distribution declared
Quarterly cash distributions declared (in dollars per unit)						$ 0.59375				$ 0.59375
Series B Preferred Limited Partners | Subsequent event
Distribution declared
Quarterly cash distributions declared (in dollars per unit)		0.59375
Series B Preferred Limited Partners | Subsequent event | Annualized Basis
Cash Distribution Payment
Per Unit Cash Distribution (in dollars per unit)		$ 2.375