Commitments and Contingencies - Additional Information (Details)		3 Months Ended
	Oct. 30, 2020 USD ($)	Mar. 31, 2021 USD ($) contract	Mar. 31, 2020 USD ($)	Feb. 29, 2020 USD ($)	Jul. 26, 2019 USD ($)	Jun. 24, 2016 USD ($)
Other Commitments [Line Items]
Unfunded Commitments for Capital Contributions		$ 11,787,000
Cash Paid For Contingent Consideration		$ 270,000	$ 81,000
Derivative Asset, Notional Amount				$ 38,908,000
Derivative, Gain (Loss) on Derivative, Net			$ (9,228,000)
Number of Foreign Currency Derivatives Held | contract		0
Secured Line of Credit [Member] | PNC Bank [Member]
Other Commitments [Line Items]
Maximum Borrowing Capacity						$ 30,000,000
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	$ 30,000,000				$ 20,000,000
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%