Commitments and Contingencies - Additional Information (Details) - USD ($)		3 Months Ended
	Oct. 29, 2021	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Oct. 30, 2020	Jun. 24, 2016
Other Commitments [Line Items]
Unfunded Commitments for Capital Contributions		$ 2,695,000
Cash Paid For Contingent Consideration			$ 270,000
Other Noncurrent Liabilities | Real Estate Capital Advisory [Member]
Other Commitments [Line Items]
Noncontrolling Interest, Purchase of Interest, Contingent Consideration, Liability, Noncurrent		20,010,000		$ 20,587,000
Secured Line of Credit [Member] | PNC Bank [Member]
Other Commitments [Line Items]
Maximum Borrowing Capacity						$ 30,000,000
Short-Term Borrowings		0
Secured Line of Credit [Member] | PNC Bank [Member] | London Interbank Offered Rate (LIBOR) [Member]
Other Commitments [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.50%
Unsecured Line of Credit [Member] | PNC Bank [Member]
Other Commitments [Line Items]
Maximum Borrowing Capacity	$ 55,000,000				$ 30,000,000
Short-Term Borrowings		0
Unsecured Line of Credit [Member] | PNC Bank [Member] | EGL [Member]
Other Commitments [Line Items]
Maximum Borrowing Capacity	$ 75,000,000
Short-Term Borrowings		$ 0
Unsecured Line of Credit [Member] | PNC Bank [Member] | London Interbank Offered Rate (LIBOR) [Member]
Other Commitments [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.80%
Unsecured Line of Credit [Member] | PNC Bank [Member] | London Interbank Offered Rate (LIBOR) [Member] | EGL [Member]
Other Commitments [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.80%