Borrowings (Union Square Construction Financing) (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Mar. 31, 2023	Dec. 31, 2022
Emerald Creek Capital [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 55.0
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 on variable rate	7.00%
London Interbank Offered Rate (LIBOR) [Member] \| Emerald Creek Capital [Member]
Debt Instrument [Line Items]
Spread on variable rate	6.90%

Face (par) amount of debt instrument at time of issuance.

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