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Loans Receivable and Other Lending Investments, net (Allowance for Loan Losses) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Jan. 01, 2020
Financing Receivables |  |  |  |
Allowance for loan losses at beginning of period | $ 12,020 |  |  |
(Recovery of) provision for loan losses | (8,085) | $ 8,866 | $ 6,482 |
Allowance for loan losses at end of period | 4,769 | 12,020 |  |
Held to Maturity Debt Securities |  |  |  |
Allowance for loan losses at beginning of period | 3,093 |  |  |
(Recovery of) Provision for loan losses | (789) | 3,073 |  |
Allowance for loan losses at end of period | 2,304 | 3,093 |  |
Total |  |  |  |
Allowance for loan losses at beginning of period | 12,020 | 28,634 |  |
(Recovery of) Provision for loan losses | (7,251) | (9,510) |  |
Charge offs |  | (25,889) |  |
Allowance for loan losses at end of period | 4,769 | 12,020 | 28,634 |
Increase to reserves for loan losses | 100 | 1,000 |  |
Provision for (recovery of) loan losses | (8,100) |  |  |
Provision for ( recovery of) unfunded commitments | 1,000 |  |  |
Accrued Interest And Operating Lease Income Receivable, Net |  |  |  |
Financing Receivables |  |  |  |
(Recovery of) provision for loan losses |  | 900 |  |
Accounts Payable, Accrued Expenses and Other Liabilities |  |  |  |
Total |  |  |  |
Provision for (recovery of) loan losses |  | 8,900 |  |
Provision for ( recovery of) unfunded commitments |  | 1,500 |  |
Period of Adoption, Adjustment |  |  |  |
Held to Maturity Debt Securities |  |  |  |
Allowance for loan losses at beginning of period |  | 20 |  |
Allowance for loan losses at end of period |  |  | 20 |
Total |  |  |  |
Allowance for loan losses at beginning of period |  | (235) |  |
Allowance for loan losses at end of period |  |  | (235) |
Period of Adoption, Adjustment | ASU 2016-13 |  |  |  |
Total |  |  |  |
Increase to reserves for loan losses |  |  |  | $ 2,300
Period of Adoption, Adjustment | ASU 2016-13 | Accounts Payable, Accrued Expenses and Other Liabilities |  |  |  |
Total |  |  |  |
Increase to reserves for loan losses |  |  |  | $ 2,500
Construction Loans |  |  |  |
Financing Receivables |  |  |  |
Allowance for loan losses at beginning of period | 6,541 | 6,668 |  |
(Recovery of) provision for loan losses | (5,328) | 226 |  |
Allowance for loan losses at end of period | 1,213 | 6,541 | 6,668 |
Construction Loans | Period of Adoption, Adjustment |  |  |  |
Financing Receivables |  |  |  |
Allowance for loan losses at beginning of period |  | (353) |  |
Allowance for loan losses at end of period |  |  | (353) |
Loans |  |  |  |
Financing Receivables |  |  |  |
Allowance for loan losses at beginning of period | 1,643 | 265 |  |
(Recovery of) provision for loan losses | (967) | 1,280 |  |
Allowance for loan losses at end of period | 676 | 1,643 | 265 |
Loans | Period of Adoption, Adjustment |  |  |  |
Financing Receivables |  |  |  |
Allowance for loan losses at beginning of period |  | 98 |  |
Allowance for loan losses at end of period |  |  | 98 |
Specific receivables |  |  |  |
Financing Receivables |  |  |  |
Allowance for loan losses at beginning of period | 743 | 21,701 |  |
(Recovery of) provision for loan losses | (167) | 4,931 |  |
Charge offs |  | (25,889) |  |
Allowance for loan losses at end of period | $ 576 | 743 | $ 21,701 |
Total |  |  |  |
Charge offs |  | $ 25,889 |  |

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