Summary of Significant Accounting Policies (Accounts Receivable, Net) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	$ 86,810	$ 86,388
Reserve for uncollectible amounts	15,900	16,500
Reserve for uncollectible amounts under ASC 842	10,100	11,500
Reserve for uncollectible amounts under ASC 450		5,000
Collectibility of receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Reserve for uncollectible amounts under ASC 450	5,800
Straight-line rent receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	75,212	72,461
Tenant receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	6,751	8,647
Other receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	$ 4,847	$ 5,280