Significant Transactions (Details Textual) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands				3 Months Ended	6 Months Ended
	Jul. 15, 2021	Apr. 23, 2021	Apr. 14, 2021	Jun. 30, 2021	Jun. 30, 2021	Dec. 31, 2020
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Revolving credit facility borrowings				$ 347,200	$ 347,200	$ 265,600
Effective date of acquisition					Jun. 17, 2021
Secured Debt				$ 3,064,803	$ 3,064,803	$ 3,628,236
Common Stock, par value (in dollars per share)				$ 0.01	$ 0.01	$ 0.01
Class A Common Stock [Member] | Private Placement [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Share issued and sold		7,825
Common Stock, par value (in dollars per share)		$ 43.766
Cash purchase price received		$ 342,200
Prepayment Penalties on Debt Repayment		33,800
Revolving Credit Facility [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Revolving credit facility borrowings			$ 1,400,000	$ 347,200	$ 347,200
Credit facility, closing payment amount			950,000
Credit agreement option to increase maximum borrowing capacity					1.09%
Revolving credit facility			$ 600,000
Variable interest rate description			30-day LIBOR plus 0.90%	30-day LIBOR plus 1.00%
Line of credit facility, expiration date			Apr. 14, 2025
Revolving credit facility right to extend term			two six-month extension
Line of credit facility maximum borrowing capacity				$ 248,900	$ 248,900
Revolving Credit Facility [Member] | 30-Day LIBOR [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Spread on variable interest rate			0.90%
Variable Rate Term Loan [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Secured Debt			$ 800,000
Term Loan [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Repayment of Debt			$ 350,000
Secured term loan	$ 350,000
Spread on variable interest rate	0.00%
Variable interest rate description	30-day LIBOR plus 0.95%
Line of credit facility, expiration date	Jul. 14, 2022
Revolving credit facility right to extend term	six month extension
Effective interest rate on outstanding borrowings				1.60%	1.60%
Term Loan [Member] | LIBOR Floor [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Spread on variable interest rate			0.00%
Property Debt [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Repayment of Property Debt		$ 318,400	$ 213,000
Debt, Weighted Average Interest Rate		4.60%
Credit Agreement One [Member] | Term Loan [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Revolving credit facility			$ 150,000
Line of credit facility, expiration date			Dec. 15, 2023
Revolving credit facility right to extend term			two one-year extension
Credit Agreement Two [Member] | Term Loan [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Revolving credit facility			$ 300,000
Line of credit facility, expiration date			Dec. 15, 2024
Revolving credit facility right to extend term			one-year extension
Credit Agreement Three [Member] | Term Loan [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Revolving credit facility			$ 150,000
Line of credit facility, expiration date			Dec. 15, 2025
Credit Agreement Four [Member] | Term Loan [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Revolving credit facility			$ 200,000
Line of credit facility, expiration date			Apr. 14, 2026