This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to financial liabilities assumed in connection with a business combination for which the initial accounting was incomplete.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of the cost of borrowed funds accounted for as interest expense.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Period Type:	instant

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Amount of the fee for available but unused credit capacity under the credit facility.

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Date the credit facility terminates, in YYYY-MM-DD format.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

Term over which funding of first mortgage loans on multi-family and healthcare real estate using a combination of available cash and facility advances is allowed per terms of the agreement.

+ References

No definition available.

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The interest rate percentage floor when determining variable rate options under the terms of a debt agreement.

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Balance Type:	na
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Represents the advance under the credit facility as a percentage of loans made by the reporting entity.

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No definition available.

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Maximum committed borrowing capacity under a credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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No definition available.

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Maximum uncommitted borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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No definition available.

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Number of credit facilities.

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No definition available.

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The number of financial covenants included in a financial agreement.

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No definition available.

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Number of loans funded through committed warehouse loan agreement.

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No definition available.

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DEBT - Summary Information (Detail) $ in Thousands	1 Months Ended		12 Months Ended
DEBT - Summary Information (Detail) $ in Thousands	Feb. 28, 2022	Dec. 31, 2021 USD ($)	Dec. 31, 2021 USD ($) facility item loan	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Warehouse notes payable
Outstanding Balance		$ 1,941,572	$ 1,941,572	$ 2,517,156
Warehouse Facilities
Warehouse notes payable
Committed Amount		2,859,810	2,859,810	2,404,810
Uncommitted Amount		3,215,000	3,215,000	3,140,000
Total Facility Capacity		6,074,810	6,074,810	5,544,810
Outstanding Balance		1,941,572	1,941,572	2,517,156
Interest expense			34,500	45,000	$ 58,100
Debt issuance costs		(875)	(875)	(945)
Facility fees			3,800	4,100	4,900
Loans Held for Sale
Warehouse notes payable
Interest expense			28,084	35,154	46,294
Loans Held for Sale \| Agency Warehouse Facility
Warehouse notes payable
Committed Amount		2,375,000	2,375,000	2,075,000
Uncommitted Amount		3,215,000	3,215,000	3,065,000
Total Facility Capacity		5,590,000	5,590,000	5,140,000
Outstanding Balance		1,761,332	1,761,332	2,383,858
Loans Held for Sale \| Agency Warehouse Facility #4 \| Agency Warehouse Facility
Warehouse notes payable
Committed Amount		350,000	350,000
Loans Held for Investment
Warehouse notes payable
Interest expense			4,694	6,351	$ 8,277
Loans Held for Investment \| Interim Warehouse Facility #2 \| Interim Warehouse Facility
Warehouse notes payable
Committed Amount		100,000	$ 100,000
National Banks \| Agency Warehouse Facility
Warehouse notes payable
Number of credit facilities \| facility			7
National Banks \| Alliant Warehouse Facility
Warehouse notes payable
Committed Amount		30,000	$ 30,000
Total Facility Capacity		30,000	30,000
Outstanding Balance		$ 8,296	$ 8,296
Maturity date		Apr. 30, 2022	Apr. 30, 2022
Acquisition adjustments			$ 0
National Banks \| Alliant Warehouse Facility \| Daily LIBOR
Warehouse notes payable
Percentage added to reference rate			3.00%
National Banks \| Alliant Warehouse Facility \| Daily LIBOR \| Minimum
Warehouse notes payable
Interest rate floor			1.50%
National Banks \| Loans Held for Sale \| Agency Warehouse Facility
Warehouse notes payable
Committed Amount		$ 2,375,000	$ 2,375,000	2,075,000
Uncommitted Amount		1,715,000	1,715,000	1,565,000
Total Facility Capacity		4,090,000	4,090,000	3,640,000
Outstanding Balance		575,026	575,026	1,658,773
National Banks \| Loans Held for Sale \| Agency Warehouse Facility #1 \| Agency Warehouse Facility
Warehouse notes payable
Committed Amount		425,000	425,000	425,000
Total Facility Capacity		425,000	425,000	425,000
Outstanding Balance		34,032	$ 34,032	$ 83,336
Maturity date			Oct. 24, 2022
Advances made as a percentage of the loan balance			100.00%
National Banks \| Loans Held for Sale \| Agency Warehouse Facility #1 \| Agency Warehouse Facility \| 30-day LIBOR
Warehouse notes payable
Percentage added to reference rate				1.40%
National Banks \| Loans Held for Sale \| Agency Warehouse Facility #1 \| Agency Warehouse Facility \| Adjusted Term SOFR
Warehouse notes payable
Percentage added to reference rate			1.30%
National Banks \| Loans Held for Sale \| Agency Warehouse Facility #2 \| Agency Warehouse Facility
Warehouse notes payable
Committed Amount		700,000	$ 700,000	$ 700,000
Uncommitted Amount		300,000	300,000	300,000
Total Facility Capacity		1,000,000	1,000,000	1,000,000
Outstanding Balance		147,055	$ 147,055	$ 460,388
Maturity date			Apr. 14, 2022
Advances made as a percentage of the loan balance			100.00%
National Banks \| Loans Held for Sale \| Agency Warehouse Facility #2 \| Agency Warehouse Facility \| 30-day LIBOR
Warehouse notes payable
Percentage added to reference rate			1.30%	1.40%
National Banks \| Loans Held for Sale \| Agency Warehouse Facility #3 \| Agency Warehouse Facility
Warehouse notes payable
Committed Amount		600,000	$ 600,000	$ 600,000
Uncommitted Amount		265,000	265,000	265,000
Total Facility Capacity		865,000	865,000	865,000
Outstanding Balance		156,705	$ 156,705	$ 410,546
Maturity date			May 14, 2022
Advances made as a percentage of the loan balance			100.00%
National Banks \| Loans Held for Sale \| Agency Warehouse Facility #3 \| Agency Warehouse Facility \| 30-day LIBOR
Warehouse notes payable
Percentage added to reference rate			1.30%	1.15%
National Banks \| Loans Held for Sale \| Agency Warehouse Facility #3 \| Agency Warehouse Facility \| 30-day LIBOR \| Minimum
Warehouse notes payable
Interest rate floor			0.00%
National Banks \| Loans Held for Sale \| Agency Warehouse Facility #4 \| Agency Warehouse Facility
Warehouse notes payable
Committed Amount		350,000	$ 350,000	$ 350,000
Total Facility Capacity		350,000	350,000	350,000
Outstanding Balance		45,337	$ 45,337	$ 181,996
Maturity date			Jun. 22, 2022
Advances made as a percentage of the loan balance			100.00%
National Banks \| Loans Held for Sale \| Agency Warehouse Facility #4 \| Agency Warehouse Facility \| 30-day LIBOR
Warehouse notes payable
Percentage added to reference rate			1.30%	1.40%
National Banks \| Loans Held for Sale \| Agency Warehouse Facility #4 \| Agency Warehouse Facility \| 30-day LIBOR \| Minimum
Warehouse notes payable
Interest rate floor			0.05%
National Banks \| Loans Held for Sale \| Agency Warehouse Facility #4, Defaulted FHA Sublimit \| Agency Warehouse Facility
Warehouse notes payable
Committed Amount		75,000	$ 75,000
National Banks \| Loans Held for Sale \| Agency Warehouse Facility #5 \| Agency Warehouse Facility
Warehouse notes payable
Committed Amount		1,000,000	1,000,000
Uncommitted Amount		1,000,000	1,000,000	$ 1,000,000
Total Facility Capacity		1,000,000	1,000,000	1,000,000
Outstanding Balance		175,608	$ 175,608	$ 522,507
Maturity date			Sep. 15, 2022
Advances made as a percentage of the loan balance			100.00%
National Banks \| Loans Held for Sale \| Agency Warehouse Facility #5 \| Agency Warehouse Facility \| 30-day LIBOR
Warehouse notes payable
Percentage added to reference rate				1.45%
National Banks \| Loans Held for Sale \| Agency Warehouse Facility #5 \| Agency Warehouse Facility \| Adjusted Term SOFR
Warehouse notes payable
Percentage added to reference rate			1.45%
National Banks \| Loans Held for Sale \| Agency Warehouse Facility #6 \| Agency Warehouse Facility
Warehouse notes payable
Committed Amount		150,000	$ 150,000
Uncommitted Amount		100,000	100,000
Total Facility Capacity		250,000	$ 250,000
Maturity date			Mar. 05, 2022
Advances made as a percentage of the loan balance			100.00%
National Banks \| Loans Held for Sale \| Agency Warehouse Facility #6 \| Agency Warehouse Facility \| 30-day LIBOR
Warehouse notes payable
Percentage added to reference rate			1.40%
National Banks \| Loans Held for Sale \| Agency Warehouse Facility #6 \| Agency Warehouse Facility \| 30-day LIBOR \| Minimum
Warehouse notes payable
Interest rate floor			0.25%
National Banks \| Loans Held for Sale \| Agency Warehouse Facility #7 \| Agency Warehouse Facility
Warehouse notes payable
Committed Amount		150,000	$ 150,000
Uncommitted Amount		50,000	50,000
Total Facility Capacity		200,000	200,000
Outstanding Balance		16,289	$ 16,289
Maturity date			Aug. 24, 2022
Advances made as a percentage of the loan balance			100.00%
National Banks \| Loans Held for Sale \| Agency Warehouse Facility #7 \| Agency Warehouse Facility \| 30-day LIBOR
Warehouse notes payable
Percentage added to reference rate			1.30%
National Banks \| Loans Held for Investment \| Interim Warehouse Facility
Warehouse notes payable
Number of credit facilities \| facility			4
Committed Amount		454,810	$ 454,810	$ 329,810
Uncommitted Amount				75,000
Total Facility Capacity		454,810	454,810	404,810
Outstanding Balance		172,819	172,819	134,243
National Banks \| Loans Held for Investment \| Interim Warehouse Facility #1 \| Interim Warehouse Facility
Warehouse notes payable
Committed Amount		135,000	135,000	135,000
Total Facility Capacity		135,000	$ 135,000	135,000
Outstanding Balance				$ 71,572
Maturity date			May 14, 2022
National Banks \| Loans Held for Investment \| Interim Warehouse Facility #1 \| Interim Warehouse Facility \| Maximum
Warehouse notes payable
Term over which funding of first mortgage loans on multi-family real estate properties can be made using a combination of available cash and facility advances			3 years
National Banks \| Loans Held for Investment \| Interim Warehouse Facility #1 \| Interim Warehouse Facility \| 30-day LIBOR
Warehouse notes payable
Percentage added to reference rate			1.90%	1.90%
National Banks \| Loans Held for Investment \| Interim Warehouse Facility #1 \| Interim Warehouse Facility \| 30-day LIBOR \| Minimum
Warehouse notes payable
Interest rate floor			0.00%
National Banks \| Loans Held for Investment \| Interim Warehouse Facility #2 \| Interim Warehouse Facility
Warehouse notes payable
Committed Amount		100,000	$ 100,000	$ 100,000
Total Facility Capacity		100,000	$ 100,000	100,000
Outstanding Balance				$ 34,000
Maturity date	Dec. 13, 2023		Dec. 13, 2023
National Banks \| Loans Held for Investment \| Interim Warehouse Facility #2 \| Interim Warehouse Facility \| Maximum
Warehouse notes payable
Term over which funding of first mortgage loans on multi-family real estate properties can be made using a combination of available cash and facility advances			3 years
National Banks \| Loans Held for Investment \| Interim Warehouse Facility #2 \| Interim Warehouse Facility \| 30-day LIBOR
Warehouse notes payable
Percentage added to reference rate				1.65%
National Banks \| Loans Held for Investment \| Interim Warehouse Facility #2 \| Interim Warehouse Facility \| 30-day LIBOR \| Minimum
Warehouse notes payable
Percentage added to reference rate			1.65%
National Banks \| Loans Held for Investment \| Interim Warehouse Facility #2 \| Interim Warehouse Facility \| 30-day LIBOR \| Maximum
Warehouse notes payable
Percentage added to reference rate			2.00%
National Banks \| Loans Held for Investment \| Interim Warehouse Facility #2 \| Interim Warehouse Facility \| Adjusted Term SOFR \| Minimum
Warehouse notes payable
Percentage added to reference rate	1.35%
Interest rate floor	0.00%
National Banks \| Loans Held for Investment \| Interim Warehouse Facility #2 \| Interim Warehouse Facility \| Adjusted Term SOFR \| Maximum
Warehouse notes payable
Percentage added to reference rate	1.85%
National Banks \| Loans Held for Investment \| Interim Warehouse Facility #3 \| Interim Warehouse Facility
Warehouse notes payable
Committed Amount		200,000	$ 200,000	$ 75,000
Uncommitted Amount				75,000
Total Facility Capacity		200,000	200,000	150,000
Outstanding Balance		153,009	$ 153,009	$ 8,861
Maturity date			Sep. 29, 2022
National Banks \| Loans Held for Investment \| Interim Warehouse Facility #3 \| Interim Warehouse Facility \| Maximum
Warehouse notes payable
Term over which funding of first mortgage loans on multi-family real estate properties can be made using a combination of available cash and facility advances			3 years
National Banks \| Loans Held for Investment \| Interim Warehouse Facility #3 \| Interim Warehouse Facility \| 30-day LIBOR \| Minimum
Warehouse notes payable
Percentage added to reference rate			1.75%	1.75%
National Banks \| Loans Held for Investment \| Interim Warehouse Facility #3 \| Interim Warehouse Facility \| 30-day LIBOR \| Maximum
Warehouse notes payable
Percentage added to reference rate			3.25%	3.25%
National Banks \| Loans Held for Investment \| Interim Warehouse Facility #4 \| Interim Warehouse Facility
Warehouse notes payable
Committed Amount		19,810	$ 19,810	$ 19,810
Total Facility Capacity		19,810	19,810	19,810
Outstanding Balance		19,810	$ 19,810	$ 19,810
Number of loans funded \| loan			1
Maturity date			Oct. 01, 2022
Number of financial covenants \| item			2
National Banks \| Loans Held for Investment \| Interim Warehouse Facility #4 \| Interim Warehouse Facility \| 30-day LIBOR
Warehouse notes payable
Percentage added to reference rate			3.00%	3.00%
National Banks \| Loans Held for Investment \| Interim Warehouse Facility #4 \| Interim Warehouse Facility \| 30-day LIBOR \| Minimum
Warehouse notes payable
Interest rate floor			4.50%
Fannie Mae \| Fannie Mae Repurchase Agreement, Uncommitted Line and Open Maturity \| Agency Warehouse Facility
Warehouse notes payable
Uncommitted Amount		1,500,000	$ 1,500,000
Fannie Mae \| Loans Held for Sale \| Fannie Mae Repurchase Agreement, Uncommitted Line and Open Maturity \| Agency Warehouse Facility
Warehouse notes payable
Uncommitted Amount		1,500,000	1,500,000	$ 1,500,000
Total Facility Capacity		1,500,000	1,500,000	1,500,000
Outstanding Balance		$ 1,186,306	$ 1,186,306	$ 725,085
Advances made as a percentage of the loan balance			99.00%