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Loans Receivable and Other Lending Investments, net - Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Jan. 01, 2020
Financing Receivables |  |  |
Allowance for loan losses at beginning of period | $ 28,634 |  |
Adoption of new accounting standard |  |  | $ (12,382)
Provision for loan losses | 4,003 | $ (97) |
Allowance for loan losses at end of period | 33,264 |  |
Held to Maturity Debt Securities |  |  |
Allowance for loan losses at beginning of period | 0 |  |
Adoption of new accounting standard |  |  | (12,382)
Provision for loan losses | 33 |  |
Allowance for loan losses at end of period | 53 |  |
Total |  |  |
Allowance for loan losses at beginning of period | 28,634 |  |
Adoption of new accounting standard |  |  | (12,382)
Provision for loan losses | 3,901 |  |
Allowance for loan losses at end of period | 33,264 |  |
Increase to reserves for loan losses | 2,600 |  |
Provision for loan losses | 4,000 |  |
Expected credit losses for unfunded commitments | 100 |  |
ASU 2016-13 |  |  |
Financing Receivables |  |  |
Adoption of new accounting standard |  |  | 729
Held to Maturity Debt Securities |  |  |
Adoption of new accounting standard |  |  | 729
Total |  |  |
Adoption of new accounting standard |  |  | 729
Increase to reserves for loan losses |  |  | 3,300
ASU 2016-13 | Accounts Payable, Accrued Expenses, and Other Liabilities |  |  |
Total |  |  |
Increase to reserves for loan losses |  |  | 2,500
Held to Maturity Debt Securities |  |  |
Financing Receivables |  |  |
Adoption of new accounting standard |  |  | 20
Held to Maturity Debt Securities |  |  |
Adoption of new accounting standard |  |  | 20
Total |  |  |
Adoption of new accounting standard |  |  | 20
Construction Loans |  |  |
Financing Receivables |  |  |
Allowance for loan losses at beginning of period | 6,668 |  |
Provision for loan losses | 3,409 |  |
Allowance for loan losses at end of period | 9,724 |  |
Construction Loans | Financing Receivables |  |  |
Financing Receivables |  |  |
Adoption of new accounting standard |  |  | (353)
Held to Maturity Debt Securities |  |  |
Adoption of new accounting standard |  |  | (353)
Total |  |  |
Adoption of new accounting standard |  |  | (353)
Loans |  |  |
Financing Receivables |  |  |
Allowance for loan losses at beginning of period | 265 |  |
Provision for loan losses | 323 |  |
Allowance for loan losses at end of period | 686 |  |
Loans | Financing Receivables |  |  |
Financing Receivables |  |  |
Adoption of new accounting standard |  |  | 98
Held to Maturity Debt Securities |  |  |
Adoption of new accounting standard |  |  | 98
Total |  |  |
Adoption of new accounting standard |  |  | 98
Financing receivables |  |  |
Financing Receivables |  |  |
Allowance for loan losses at beginning of period | 0 |  |
Provision for loan losses | 136 |  |
Allowance for loan losses at end of period | 1,100 |  |
Financing receivables | Financing Receivables |  |  |
Financing Receivables |  |  |
Adoption of new accounting standard |  |  | 964
Held to Maturity Debt Securities |  |  |
Adoption of new accounting standard |  |  | 964
Total |  |  |
Adoption of new accounting standard |  |  | 964
Specific Allowance |  |  |
Financing Receivables |  |  |
Allowance for loan losses at beginning of period | 21,701 |  |
Provision for loan losses | 0 |  |
Allowance for loan losses at end of period | $ 21,701 |  |
Specific Allowance | Financing Receivables |  |  |
Financing Receivables |  |  |
Adoption of new accounting standard |  |  | 0
Held to Maturity Debt Securities |  |  |
Adoption of new accounting standard |  |  | 0
Total |  |  |
Adoption of new accounting standard |  |  | $ 0

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