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Fair Value Measurements - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2023	Dec. 31, 2022
Fair Value
Net unrealized gain (loss) on derivative designated as effective hedge		$ 59,700	$ 55,000
Gain (loss) expected to be reclassified into interest expense within the next 12 months		35,900
Impairment loss	$ 59,307	59,307
Nonrecurring
Fair Value
Impairment loss	59,300	59,300
Nonrecurring \| Fair Value
Fair Value
Estimated fair value			$ 0
2101 L Street and 2100 Crystal Drive \| Level 3 \| Nonrecurring
Fair Value
Estimated fair value	148,900	148,900
Development Parcel \| Level 2 \| Nonrecurring
Fair Value
Estimated fair value	$ 11,300	$ 11,300