Commitments and Contingencies - Additional Information (Details)		3 Months Ended	6 Months Ended
	Oct. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) contract	Jun. 30, 2020 USD ($)	Feb. 29, 2020 USD ($)	Jul. 26, 2019 USD ($)	Jun. 24, 2016 USD ($)
Other Commitments [Line Items]
Unfunded Commitments for Capital Contributions			$ 10,091,000
Cash Paid For Contingent Consideration			$ 270,000	$ 81,000
Derivative Asset, Notional Amount					$ 38,908,000
Derivative, Gain (Loss) on Derivative, Net		$ 5,230,000		$ (3,998,000)
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%