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v3.23.1

Long-Term Debt - Schedule of Components of Long-Term Debt (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Debt Instrument [Line Items] |  |
Borrowings | $ 1,743,934,000 | $ 1,746,145,000
Unamortized Deferred Issuance Costs / Discount | (10,906,000) | (12,720,000)
Net Carrying Value | 1,733,028,000 | 1,733,425,000
Line of Credit |  |
Debt Instrument [Line Items] |  |
Borrowings | 1,077,142,000 | 1,079,353,000
Unamortized Deferred Issuance Costs / Discount | (1,043,000) | (2,153,000)
Net Carrying Value | 1,076,099,000 | 1,077,200,000
Trust Preferred Securities and Subordinated Notes |  |
Debt Instrument [Line Items] |  |
Borrowings | 139,500,000 | 139,500,000
Unamortized Deferred Issuance Costs / Discount | (721,000) | (733,000)
Net Carrying Value | $ 138,779,000 | $ 138,767,000
Trust Preferred Securities and Subordinated Notes | LIBOR |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate (as a percent) | 2.25% | 2.25%
Facility A | Recourse Subordinate Securities Financing | Affiliated Entity |  |
Debt Instrument [Line Items] |  |
Borrowings | $ 129,329,000 | $ 130,408,000
Unamortized Deferred Issuance Costs / Discount | 0 | 0
Net Carrying Value | $ 129,329,000 | $ 130,408,000
Weighted Average Interest Rate (as a percent) | 5.71% | 5.71%
Facility B | Recourse Subordinate Securities Financing | Affiliated Entity |  |
Debt Instrument [Line Items] |  |
Borrowings | $ 101,691,000 | $ 101,706,000
Unamortized Deferred Issuance Costs / Discount | 0 | (50,000)
Net Carrying Value | $ 101,691,000 | $ 101,656,000
Weighted Average Interest Rate (as a percent) | 5.71% | 4.21%
Facility C | Recourse Subordinate Securities Financing | Affiliated Entity |  |
Debt Instrument [Line Items] |  |
Borrowings | $ 66,197,000 | $ 68,995,000
Unamortized Deferred Issuance Costs / Discount | (63,000) | (125,000)
Net Carrying Value | $ 66,134,000 | $ 68,870,000
Weighted Average Interest Rate (as a percent) | 4.75% | 4.75%
Facility D | Line of Credit |  |
Debt Instrument [Line Items] |  |
Borrowings | $ 427,310,000 | $ 404,622,000
Unamortized Deferred Issuance Costs / Discount | (68,000) | (667,000)
Net Carrying Value | 427,242,000 | 403,955,000
Limit | $ 750,000,000 | $ 750,000,000
Facility D | Line of Credit | SOFR |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate (as a percent) | 2.87% | 2.87%
Facility E | Line of Credit |  |
Debt Instrument [Line Items] |  |
Borrowings | $ 305,159,000 | $ 308,933,000
Unamortized Deferred Issuance Costs / Discount | (912,000) | (838,000)
Net Carrying Value | 304,247,000 | 308,095,000
Limit | $ 335,000,000 | $ 335,000,000
Facility E | Line of Credit | SOFR |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate (as a percent) | 3.25% | 3.25%
Facility F | Line of Credit |  |
Debt Instrument [Line Items] |  |
Borrowings | $ 0 | $ 64,689,000
Unamortized Deferred Issuance Costs / Discount | 0 | (473,000)
Net Carrying Value | 0 | 64,216,000
Limit | $ 500,000,000 | $ 500,000,000
Facility F | Line of Credit | SOFR | Minimum |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate (as a percent) | 2.50% | 2.25%
Facility F | Line of Credit | SOFR | Maximum |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate (as a percent) | 2.25% | 2.50%
Facility G | Line of Credit |  |
Debt Instrument [Line Items] |  |
Borrowings | $ 47,456,000 |
Unamortized Deferred Issuance Costs / Discount | 0 |
Net Carrying Value | 47,456,000 |
Limit | $ 50,000,000 |
Facility G | Line of Credit | SOFR |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate (as a percent) | 3.25% |
5.625% convertible senior notes | Convertible notes |  |
Debt Instrument [Line Items] |  |
Borrowings | $ 150,200,000 | $ 150,200,000
Unamortized Deferred Issuance Costs / Discount | (1,076,000) | (1,282,000)
Net Carrying Value | $ 149,124,000 | $ 148,918,000
Weighted Average Interest Rate (as a percent) | 5.625% | 5.625%
5.75% exchangeable senior notes | Convertible notes |  |
Debt Instrument [Line Items] |  |
Borrowings | $ 162,092,000 | $ 162,092,000
Unamortized Deferred Issuance Costs / Discount | (2,207,000) | (2,410,000)
Net Carrying Value | $ 159,885,000 | $ 159,682,000
Weighted Average Interest Rate (as a percent) | 5.75% | 5.75%
7.75% convertible senior notes | Convertible notes |  |
Debt Instrument [Line Items] |  |
Borrowings | $ 215,000,000 | $ 215,000,000
Unamortized Deferred Issuance Costs / Discount | (5,859,000) | (6,142,000)
Net Carrying Value | $ 209,141,000 | $ 208,858,000
Weighted Average Interest Rate (as a percent) | 7.75% | 7.75%

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