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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% |  |  |  |  |  |

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