0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (unaudited) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) link:presentationLink link:calculationLink link:definitionLink 9952156 - Disclosure - The Company link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Fair Value Measurement link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Loans and Allowance for Credit Losses link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Investment in Developmental Real Estate, Net link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Real Estate Owned ("REO") link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Property and Equipment, Net link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Other Assets link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Line of Credit and Mortgage Payable link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Unsecured Notes Payable link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Senior Secured Notes Payable link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Accounts Payable and Accrued Liabilities link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Fee Income from Loans link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Stock-Based Compensation and Employee Benefits link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Equity link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - Earnings (Losses) Per Share link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - Limited Liability Company ("LLC") Investments link:presentationLink link:calculationLink link:definitionLink 9952175 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952176 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Fair Value Measurement (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Loans and Allowance for Credit Losses (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Investment in Developmental Real Estate, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Real Estate Owned ("REO") (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Property and Equipment, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Other Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Unsecured Notes Payable (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Accounts Payable and Accrued Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Fee Income from Loans (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Limited Liability Company ("LLC") Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - The Company (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Fair Value Measurement - Measured on a recurring basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Fair Value Measurement - Measured on a nonrecurring basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Fair Value Measurement - Carrying amounts and fair value (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Loans and Allowance for Credit Losses - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Loans and Allowance for Credit Losses - Company's loan portfolio by the past due (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Loans and Allowance for Credit Losses - CECL Allowance by CECL Allowances by loan portfolio geographical location (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Loans and Allowance for Credit Losses - Internal credit quality indicators (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Loans and Allowance for Credit Losses - Amortized cost of collateral dependent loans (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Loans and Allowance for Credit Losses - Loan modifications made to borrowers experiencing financial difficulty (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Loans and Allowance for Credit Losses - Performance of loans that have been modified in the last 12 months to borrowers experiencing financial difficulty (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Loans and Allowance for Credit Losses - CECL allowance (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Loans and Allowance for Credit Losses - CECL Allowance by Geographical Location (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Loans and Allowance for Credit Losses - CECL Allowance by charge-offs (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Investment in Developmental Real Estate, Net - Schedule of investment in rental real estate (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Investment in Developmental Real Estate, Net - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Real Estate Owned ("REO") - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Real Estate Owned ("REO") - Activity of the Company's real estate owned (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Property and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Other Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Line of Credit and Mortgage Payable - Line of credit - Needham Bank (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Line of Credit and Mortgage Payable - Mortgage payable (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Unsecured Notes Payable - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Unsecured Notes Payable - Future principal payments (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Unsecured Notes Payable - Estimated amortization of the deferred financing costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Senior Secured Notes Payable (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Accounts Payable and Accrued Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Fee Income from Loans (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Stock-Based Compensation and Employee Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Equity (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Earnings (Losses) Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Limited Liability Company ("LLC") Investments - Carrying value (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Limited Liability Company ("LLC") Investments - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Income Taxes - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink