Fair Value - Carrying and Fair Values of Borrowings (Details) - Sep. 30, 2022
€ in Thousands, £ in Thousands, $ in Thousands |
USD ($) |
GBP (£) |
EUR (€) |
| Principal Amount |
|
|
|
| Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |
|
|
|
| Borrowings |
$ 1,979,957
|
|
|
| Principal Amount | Unsecured Notes |
|
|
|
| Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |
|
|
|
| Borrowings |
531,500
|
|
|
| Principal Amount | SBA-guaranteed debentures |
|
|
|
| Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |
|
|
|
| Borrowings |
300,000
|
|
|
| Principal Amount | Convertible Notes |
|
|
|
| Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |
|
|
|
| Borrowings |
201,250
|
|
|
| Principal Amount | Revolving Credit Facility | Holdings Credit Facility | Credit Facility |
|
|
|
| Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |
|
|
|
| Borrowings |
630,663
|
|
|
| Principal Amount | Revolving Credit Facility | DB Credit Facility | Credit Facility |
|
|
|
| Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |
|
|
|
| Borrowings |
186,400
|
|
|
| Principal Amount | Revolving Credit Facility | NMFC Credit Facility | Credit Facility |
|
|
|
| Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |
|
|
|
| Borrowings |
127,210
|
£ 22,850
|
€ 700
|
| Principal Amount | Revolving Credit Facility | NMNLC Credit Facility II | Credit Facility |
|
|
|
| Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |
|
|
|
| Borrowings |
2,934
|
|
|
| Fair Value |
|
|
|
| Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |
|
|
|
| Borrowings |
1,884,398
|
|
|
| Fair Value | Unsecured Notes |
|
|
|
| Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |
|
|
|
| Borrowings |
498,018
|
|
|
| Fair Value | SBA-guaranteed debentures |
|
|
|
| Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |
|
|
|
| Borrowings |
257,090
|
|
|
| Fair Value | Convertible Notes |
|
|
|
| Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |
|
|
|
| Borrowings |
199,238
|
|
|
| Fair Value | Revolving Credit Facility | Holdings Credit Facility | Credit Facility |
|
|
|
| Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |
|
|
|
| Borrowings |
617,558
|
|
|
| Fair Value | Revolving Credit Facility | DB Credit Facility | Credit Facility |
|
|
|
| Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |
|
|
|
| Borrowings |
184,127
|
|
|
| Fair Value | Revolving Credit Facility | NMFC Credit Facility | Credit Facility |
|
|
|
| Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |
|
|
|
| Borrowings |
125,434
|
£ 22,531
|
€ 690
|
| Fair Value | Revolving Credit Facility | NMNLC Credit Facility II | Credit Facility |
|
|
|
| Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |
|
|
|
| Borrowings |
$ 2,933
|
|
|