Fair Value, Company's Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($)
$ in Thousands

Sep. 30, 2025

Jun. 30, 2025

Dec. 31, 2024

Sep. 30, 2024

Jun. 30, 2024

Dec. 31, 2023

Assets [Abstract]

Derivative assets total

$ 15,314

$ 30,048

Servicing related assets

^[1]

218,688

233,658

Liabilities [Abstract]

Derivative liabilities total

3,866

3,869

Interest Rate Swaps [Member]

Assets [Abstract]

Derivative assets total

15,314

17,244

TBAs [Member]

Assets [Abstract]

Derivative assets total

10,434

U.S. Treasury Futures [Member]

Assets [Abstract]

Derivative assets total

2,337

U.S. Treasury Futures Options [Member]

Assets [Abstract]

Derivative assets total

Fair Value, Measurements, Recurring [Member] | Level 1 [Member]

Assets [Abstract]

Derivative assets total

2,370

Servicing related assets

Total Assets

2,370

Liabilities [Abstract]

Derivative liabilities total

1,673

Total Liabilities

1,673

Fair Value, Measurements, Recurring [Member] | Level 2 [Member]

Assets [Abstract]

Derivative assets total

15,314

27,678

Servicing related assets

Total Assets

1,206,792

1,150,098

Liabilities [Abstract]

Derivative liabilities total

2,193

3,869

Total Liabilities

2,193

3,869

Fair Value, Measurements, Recurring [Member] | Level 3 [Member]

Assets [Abstract]

Derivative assets total

Servicing related assets

218,688

$ 224,601

233,658

$ 226,782

$ 234,263

$ 253,629

Total Assets

218,688

233,658

Liabilities [Abstract]

Derivative liabilities total

Total Liabilities

Fair Value, Measurements, Recurring [Member] | Interest Rate Swaps [Member] | Level 1 [Member]

Assets [Abstract]

Derivative assets total

Liabilities [Abstract]

Derivative liabilities total

Fair Value, Measurements, Recurring [Member] | Interest Rate Swaps [Member] | Level 2 [Member]

Assets [Abstract]

Derivative assets total

15,314

17,244

Liabilities [Abstract]

Derivative liabilities total

1,638

3,869

Fair Value, Measurements, Recurring [Member] | Interest Rate Swaps [Member] | Level 3 [Member]

Assets [Abstract]

Derivative assets total

Liabilities [Abstract]

Derivative liabilities total

Fair Value, Measurements, Recurring [Member] | TBAs [Member] | Level 1 [Member]

Assets [Abstract]

Derivative assets total

Liabilities [Abstract]

Derivative liabilities total

Fair Value, Measurements, Recurring [Member] | TBAs [Member] | Level 2 [Member]

Assets [Abstract]

Derivative assets total

10,434

Liabilities [Abstract]

Derivative liabilities total

555

Fair Value, Measurements, Recurring [Member] | TBAs [Member] | Level 3 [Member]

Assets [Abstract]

Derivative assets total

Liabilities [Abstract]

Derivative liabilities total

Fair Value, Measurements, Recurring [Member] | U.S. Treasury Futures [Member] | Level 1 [Member]

Assets [Abstract]

Derivative assets total

2,337

Liabilities [Abstract]

Derivative liabilities total

1,673

Fair Value, Measurements, Recurring [Member] | U.S. Treasury Futures [Member] | Level 2 [Member]

Assets [Abstract]

Derivative assets total

Liabilities [Abstract]

Derivative liabilities total

Fair Value, Measurements, Recurring [Member] | U.S. Treasury Futures [Member] | Level 3 [Member]

Liabilities [Abstract]

Derivative liabilities total

Fair Value, Measurements, Recurring [Member] | U.S. Treasury Futures Options [Member] | Level 1 [Member]

Assets [Abstract]

Derivative assets total

Fair Value, Measurements, Recurring [Member] | U.S. Treasury Futures Options [Member] | Level 2 [Member]

Assets [Abstract]

Derivative assets total

Fair Value, Measurements, Recurring [Member] | U.S. Treasury Futures Options [Member] | Level 3 [Member]

Assets [Abstract]

Derivative assets total

Fair Value, Measurements, Recurring [Member] | Carrying Value [Member]

Assets [Abstract]

Derivative assets total

15,314

30,048

Servicing related assets

218,688

233,658

Total Assets

1,425,480

1,386,126

Liabilities [Abstract]

Derivative liabilities total

3,866

3,869

Total Liabilities

3,866

3,869

Fair Value, Measurements, Recurring [Member] | Carrying Value [Member] | Interest Rate Swaps [Member]

Assets [Abstract]

Derivative assets total

15,314

17,244

Liabilities [Abstract]

Derivative liabilities total

1,638

3,869

Fair Value, Measurements, Recurring [Member] | Carrying Value [Member] | TBAs [Member]

Assets [Abstract]

Derivative assets total

10,434

Liabilities [Abstract]

Derivative liabilities total

555

Fair Value, Measurements, Recurring [Member] | Carrying Value [Member] | U.S. Treasury Futures [Member]

Assets [Abstract]

Derivative assets total

2,337

Liabilities [Abstract]

Derivative liabilities total

$ 1,673

Fair Value, Measurements, Recurring [Member] | Carrying Value [Member] | U.S. Treasury Futures Options [Member]

Assets [Abstract]

Derivative assets total

$ 33

RMBS [Member] | Level 2 [Member]

Derivative Instruments Classified as Fair Value Assets and Liabilities [Abstract]

Percentage of derivative instruments classified as fair value assets and liabilities

100.00%

RMBS [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]

Assets [Abstract]

RMBS total

$ 0

RMBS [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]

Assets [Abstract]

RMBS total

1,191,478

1,122,420

RMBS [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]

Assets [Abstract]

RMBS total

RMBS [Member] | Fair Value, Measurements, Recurring [Member] | Carrying Value [Member]

Assets [Abstract]

RMBS total

1,191,478

1,122,420

Fannie Mae [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]

Assets [Abstract]

RMBS total

Fannie Mae [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]

Assets [Abstract]

RMBS total

509,839

425,599

Fannie Mae [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]

Assets [Abstract]

RMBS total

Fannie Mae [Member] | Fair Value, Measurements, Recurring [Member] | Carrying Value [Member]

Assets [Abstract]

RMBS total

509,839

425,599

Freddie Mac [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]

Assets [Abstract]

RMBS total

Freddie Mac [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]

Assets [Abstract]

RMBS total

681,639

696,821

Freddie Mac [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]

Assets [Abstract]

RMBS total

Freddie Mac [Member] | Fair Value, Measurements, Recurring [Member] | Carrying Value [Member]

Assets [Abstract]

RMBS total

$ 681,639

$ 696,821

MSRs [Member] | Level 3 [Member]

Derivative Instruments Classified as Fair Value Assets and Liabilities [Abstract]

Percentage of derivative instruments classified as fair value assets and liabilities

100.00%

Derivative Instruments [Member] | Level 2 [Member]

Derivative Instruments Classified as Fair Value Assets and Liabilities [Abstract]

Percentage of derivative instruments classified as fair value assets and liabilities

100.00%

[1]	See Note 9 regarding the estimation of fair value, which approximates carrying value for all pools.

Cherry Hill Mortgage Investment Corp 10-Q