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Borrowings (Union Square Construction Financing) (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Emerald Creek Capital [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Face Amount | $ 55.0 |
Line of credit facility, term | 3 years |
Union Square Construction Financing [Member] |  |
Debt Instrument [Line Items] |  |
Maturity date | May 06, 2024 | May 06, 2024
Floor Rate [Member] | Emerald Creek Capital [Member] |  |
Debt Instrument [Line Items] |  |
Spread over LIBOR | 7.00% |
London Interbank Offered Rate (LIBOR) [Member] | Emerald Creek Capital [Member] |  |
Debt Instrument [Line Items] |  |
Spread over LIBOR | 6.90% |

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