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FAIR VALUE OF FINANCIAL INSTRUMENTS
3 Months Ended
Mar. 31, 2019
Fair Value Disclosures [Abstract]  
FAIR VALUE OF FINANCIAL INSTRUMENTS
9. FAIR VALUE OF FINANCIAL INSTRUMENTS
 
Fair value is based upon internal models, using market quotations, broker quotations, counterparty quotations or pricing services quotations, which provide valuation estimates based upon reasonable market order indications and are subject to significant variability based on market conditions, such as interest rates, credit spreads and market liquidity. The fair value of the mortgage loan receivables held for sale is based upon a securitization model utilizing market data from recent securitization spreads and pricing.
 
Fair Value Summary Table
 
The carrying values and estimated fair values of the Company’s financial instruments, which are both reported at fair value on a recurring basis (as indicated) or amortized cost/par, at March 31, 2019 and December 31, 2018 are as follows ($ in thousands):
 
March 31, 2019
 
 
 
 
 
 
 
 
 
Weighted Average
 
Outstanding
Face Amount
 
Amortized Cost Basis/Purchase Price
 
Fair Value
 
Fair Value Method
 
Yield
%
 
Remaining
Maturity/Duration (years)
Assets:
 

 
 

 
 

 
 
 
 

 
 
CMBS(1)
$
1,475,469

 
$
1,475,900

 
$
1,481,640

 
Internal model, third-party inputs
 
3.28
%
 
2.50
CMBS interest-only(1)
2,436,543

(2)
52,682

 
53,570

 
Internal model, third-party inputs
 
3.56
%
 
2.60
GNMA interest-only(3)
123,684

(2)
2,694

 
2,491

 
Internal model, third-party inputs
 
9.09
%
 
2.56
Agency securities(1)
660

 
673

 
661

 
Internal model, third-party inputs
 
1.81
%
 
2.24
GNMA permanent securities(1)
32,346

 
32,592

 
33,006

 
Internal model, third-party inputs
 
3.75
%
 
4.87
Corporate bonds(1)
36,441

 
35,682

 
36,609

 
Internal model, third-party inputs
 
5.00
%
 
1.88
Equity securities(3)
 N/A

 
10,678

 
11,151

 
Observable market prices
 
N/A

 
 N/A
Mortgage loan receivables held for investment, net, at amortized cost:
 
 
 
 
 
 
 
 
 
 
 
Mortgage loan receivables held for investment, net, at amortized cost
3,321,828

 
3,302,753

 
3,311,885

 
Discounted Cash Flow(4)
 
7.68
%
 
1.20
Mortgage loans transferred but not considered sold
15,350

 
15,504

 
15,504

 
Discounted Cash Flow(4)
 
5.29
%
 
9.78
Provision for loan losses
 N/A

 
(18,200
)
 
(18,200
)
 
(5)
 
N/A

 
N/A
Mortgage loan receivables held for sale
189,334

 
189,525

 
202,363

 
Internal model, third-party inputs(6)
 
5.53
%
 
9.56
FHLB stock(7)
61,619

 
61,619

 
61,619

 
(7)
 
5.50
%
 
 N/A
Nonhedge derivatives(1)(8)
454,571

 
 N/A

 
1,632

 
Counterparty quotations
 
N/A

 
0.25
 
 
 
 
 
 
 
 
 
 
 
 
Liabilities:
 

 
 

 
 

 
 
 
 

 
 
Repurchase agreements - short-term
804,986

 
804,986

 
804,986

 
Discounted Cash Flow(9)
 
3.30
%
 
0.24
Repurchase agreements - long-term
225,096

 
225,096

 
225,096

 
Discounted Cash Flow(10)
 
3.35
%
 
1.55
Mortgage loan financing
734,319

 
739,500

 
740,221

 
Discounted Cash Flow(10)
 
5.10
%
 
2.33
CLO debt
497,334

 
497,334

 
497,334

 
Discounted Cash Flow(9)
 
4.65
%
 
8.15
Participation Financing - Mortgage Loan Receivable
2,393

 
2,393

 
2,393

 
Discounted Cash Flow(11)
 
17.00
%
 
0.18
Borrowings from the FHLB
1,291,449

 
1,291,449

 
1,295,087

 
Discounted Cash Flow
 
2.61
%
 
2.40
Senior unsecured notes
1,166,201

 
1,155,692

 
1,167,074

 
Broker quotations, pricing services
 
5.39
%
 
4.03
Liability for transfers not considered sales
15,840

 
15,840

 
15,840

 
Discounted Cash Flow(12)
 
5.29
%
 
9.78
 
(1)
Measured at fair value on a recurring basis with the net unrealized gains or losses recorded as a component of other comprehensive income (loss) in equity.
(2)
Represents notional outstanding balance of underlying collateral.
(3)
Measured at fair value on a recurring basis with the net unrealized gains or losses recorded in current period earnings.
(4)
Fair value for floating rate mortgage loan receivables, held for investment is estimated to approximate the outstanding face amount given the short interest rate reset risk (30 days) and no significant change in credit risk. Fair value for fixed rate mortgage loan receivables, held for investment is measured using a discounted cash flow model.
(5)
Fair value is estimated to equal par value.
(6)
Fair value for mortgage loan receivables, held for sale is measured using a hypothetical securitization model utilizing market data from recent securitization spreads and pricing.
(7)
Fair value of the FHLB stock approximates outstanding face amount as the Company’s captive insurance subsidiary is restricted from trading the stock and can only put the stock back to the FHLB, at the FHLB’s discretion, at par.
(8)
The outstanding face amount of the nonhedge derivatives represents the notional amount of the underlying contracts.
(9)
Fair value for repurchase agreement liabilities and CLO debt is estimated to approximate carrying amount primarily due to the short interest rate reset risk (30 days) of the financings and the high credit quality of the assets collateralizing these positions. If the collateral is determined to be impaired, the related financing would be revalued accordingly. There are no impairments on any positions.
(10)
For repurchase agreements - long term and mortgage loan financing, the carrying value approximates the fair value discounting the expected cash flows at current market rates. If the collateral is determined to be impaired, the related financing would be revalued accordingly. There are no impairments on any positions.
(11)
Fair value for Participation Financing - Mortgage Loan Receivable approximates amortized cost as this is a loan participation to a third party.
(12)
Fair value for liability for transfers not considered sales approximates amortized cost basis which represents fair value on the latest pricing date.

December 31, 2018  
 
 
 
 
 
 
 
 
 
Weighted Average
 
Outstanding
Face Amount
 
Amortized
Cost Basis
 
Fair Value
 
Fair Value Method
 
Yield
%
 
Remaining
Maturity/Duration (years)
Assets:
 

 
 

 
 

 
 
 
 

 
 
CMBS(1)
$
1,258,819

 
$
1,257,801

 
$
1,252,640

 
Internal model, third-party inputs
 
3.14
%
 
2.33
CMBS interest-only(1)
2,373,936

(2)
55,534

 
55,691

 
Internal model, third-party inputs
 
2.80
%
 
2.69
GNMA interest-only(3)
135,932

(2)
2,862

 
2,648

 
Internal model, third-party inputs
 
6.30
%
 
4.11
Agency securities(1)
668

 
682

 
662

 
Internal model, third-party inputs
 
1.83
%
 
2.36
GNMA permanent securities(1)
32,633

 
32,889

 
33,064

 
Internal model, third-party inputs
 
3.76
%
 
5.03
Corporate bonds(1)
55,305

 
54,257

 
53,871

 
Internal model, third-party inputs
 
5.04
%
 
2.51
Equity securities(3)
N/A

 
13,154

 
11,550

 
Observable market prices
 
N/A

 
N/A
Mortgage loan receivables held for investment, net, at amortized cost:
 
 
 
 
 
 
 
 
 
 
 
Mortgage loan receivables held for investment, net, at amortized cost
3,340,381

 
3,318,390

 
3,324,588

 
Discounted Cash Flow(4)
 
7.84
%
 
1.32
Provision for loan losses
N/A

 
(17,900
)
 
(17,900
)
 
(5)
 
N/A

 
N/A
Mortgage loan receivables held for sale
181,905

 
182,439

 
187,870

 
Internal model, third-party inputs(6)
 
5.46
%
 
9.75
FHLB stock(7)
57,915

 
57,915

 
57,915

 
(7)
 
4.50
%
 
N/A
Nonhedge derivatives(1)(8)

 
N/A

 

 
Counterparty quotations
 
N/A

 
0.00
 
 
 
 
 
 
 
 
 
 
 
 
Liabilities:
 

 
 

 
 

 
 
 
 

 
 
Repurchase agreements - short-term
436,957

 
436,957

 
436,957

 
Discounted Cash Flow(9)
 
3.42
%
 
0.23
Repurchase agreements - long-term
226,728

 
226,728

 
226,728

 
Discounted Cash Flow(10)
 
3.47
%
 
1.73
Mortgage loan financing
738,825

 
743,902

 
735,662

 
Discounted Cash Flow(10)
 
5.09
%
 
2.61
CLO debt
601,543

 
601,543

 
601,543

 
Discounted Cash Flow(9)
 
4.41
%
 
9.40
Participation Financing - Mortgage Loan Receivable
2,453

 
2,453

 
2,453

 
Discounted Cash Flow(11)
 
17.00
%
 
0.43
Borrowings from the FHLB
1,286,000

 
1,286,000

 
1,286,664

 
Discounted Cash Flow
 
2.55
%
 
2.46
Senior unsecured notes
1,166,201

 
1,154,991

 
1,111,288

 
Broker quotations, pricing services
 
5.39
%
 
4.28
Nonhedge derivatives(1)(8)
578,971

 
N/A

 
975

 
Counterparty quotations
 
N/A

 
0.25
 

(1)
Measured at fair value on a recurring basis with the net unrealized gains or losses recorded as a component of other comprehensive income (loss) in equity.
(2)
Represents notional outstanding balance of underlying collateral.
(3)
Measured at fair value on a recurring basis with the net unrealized gains or losses recorded in current period earnings.
(4)
Fair value for floating rate mortgage loan receivables, held for investment is estimated to approximate the outstanding face amount given the short interest rate reset risk (30 days) and no significant change in credit risk. Fair value for fixed rate mortgage loan receivables, held for investment is measured using a discounted cash flow.
(5)
Fair value is estimated to equal par value.
(6)
Fair value for mortgage loan receivables, held for sale is measured using a hypothetical securitization model utilizing market data from recent securitization spreads and pricing.
(7)
Fair value of the FHLB stock approximates outstanding face amount as the Company’s captive insurance subsidiary is restricted from trading the stock and can only put the stock back to the FHLB, at the FHLB’s discretion, at par.
(8)
The outstanding face amount of the nonhedge derivatives represents the notional amount of the underlying contracts.
(9)
Fair value for repurchase agreement liabilities and CLO debt is estimated to approximate carrying amount primarily due to the short interest rate reset risk (30 days) of the financings and the high credit quality of the assets collateralizing these positions. If the collateral is determined to be impaired, the related financing would be revalued accordingly. There are no impairments on any positions.
(10)
For repurchase agreements - long term and mortgage loan financing, the carrying value approximates the fair value discounting the expected cash flows at current market rates. If the collateral is determined to be impaired, the related financing would be revalued accordingly. There are no impairments on any positions.
(11)
Fair value for Participation Financing - Mortgage Loan Receivable approximates amortized cost as this is a loan participation to a third party.

The following table summarizes the Company’s financial assets and liabilities, which are both reported at fair value on a recurring basis (as indicated) or amortized cost/par, at March 31, 2019 and December 31, 2018 ($ in thousands):
 
March 31, 2019
 
Financial Instruments Reported at Fair Value on Consolidated Statements of Financial Condition
 
Outstanding Face
Amount
 
Fair Value
 
Level 1
 
Level 2
 
Level 3
 
Total
 
 
 
 
 
 
 
 
 
 
 
Assets:
 
 

 
 

 
 

 
 

 
 

CMBS(1)
 
$
1,463,281

 
$

 
$

 
$
1,469,978

 
$
1,469,978

CMBS interest-only(1)
 
2,425,377

(2)

 

 
52,664

 
52,664

GNMA interest-only(3)
 
123,684

(2)

 

 
2,491

 
2,491

Agency securities(1)
 
660

 

 

 
661

 
661

GNMA permanent securities(1)
 
32,346

 

 

 
33,006

 
33,006

Corporate bonds(1)
 
36,441

 

 

 
36,609

 
36,609

Equity securities
 
 N/A

 
11,151

 

 

 
11,151

Nonhedge derivatives(4)
 
454,571

 

 
1,632

 

 
1,632

 
 
 
 
$
11,151

 
$
1,632

 
$
1,595,409

 
$
1,608,192

 
 
 
 
 
 
 
 
 
 
 
Financial Instruments Not Reported at Fair Value on Consolidated Statements of Financial Condition
 
Outstanding Face
Amount
 
Fair Value
 
Level 1
 
Level 2
 
Level 3
 
Total
 
 
 
 
 
 
 
 
 
 
 
Assets:
 
 
 
 
 
 
 
 
 
 
Mortgage loan receivable held for investment, net, at amortized cost:
 
 
 
 
 
 
 
 
 
 
Mortgage loans held by consolidated subsidiaries
 
$
3,321,828

 
$

 
$

 
$
3,311,885

 
$
3,311,885

Mortgage loans transferred but not considered sold
 
15,350

 

 

 
15,504

 
15,504

Provision for loan losses
 
 N/A

 

 

 
(18,200
)
 
(18,200
)
Mortgage loan receivable held for sale
 
189,334

 

 

 
202,363

 
202,363

CMBS(5)
 
12,188

 

 

 
11,662

 
11,662

CMBS interest-only(5)
 
11,166

(2)

 

 
906

 
906

FHLB stock
 
61,619

 

 

 
61,619

 
61,619

 
 
 
 
$

 
$

 
$
3,585,739

 
$
3,585,739

Liabilities:
 
 

 
 

 
 

 
 

 


Repurchase agreements - short-term
 
804,986

 
$

 
$

 
$
804,986

 
$
804,986

Repurchase agreements - long-term
 
225,096

 

 

 
225,096

 
225,096

Mortgage loan financing
 
734,319

 

 

 
740,221

 
740,221

CLO debt
 
497,334

 

 

 
497,334

 
497,334

Participation Financing - Mortgage Loan Receivable
 
2,393

 

 

 
2,393

 
2,393

Borrowings from the FHLB
 
1,291,449

 

 

 
1,295,087

 
1,295,087

Senior unsecured notes
 
1,166,201

 

 

 
1,167,074

 
1,167,074

Liability for transfers not considered sales
 
15,840

 

 

 
15,840

 
15,840

 
 
 
 
$

 
$

 
$
4,748,031

 
$
4,748,031

 
(1)
Measured at fair value on a recurring basis with the net unrealized gains or losses recorded as a component of other comprehensive income (loss) in equity. 
(2)
Represents notional outstanding balance of underlying collateral. 
(3)
Measured at fair value on a recurring basis with the net unrealized gains or losses recorded in current period earnings. 
(4)
Measured at fair value on a recurring basis with the net unrealized gains or losses recorded in current period earnings.  The outstanding face amount of the nonhedge derivatives represents the notional amount of the underlying contracts.
(5)
Restricted securities which are designated as risk retention securities under the Dodd-Frank Act and are therefore subject to transfer restrictions over the term of the securitization trust, which are classified as held-to-maturity and reported at amortized cost.

December 31, 2018
 
Financial Instruments Reported at Fair Value on Consolidated Statements of Financial Condition
 
Outstanding Face
Amount
 
Fair Value
 
 
Level 1
 
Level 2
 
Level 3
 
Total
 
 
 
 
 
 
 
 
 
 
 
Assets:
 
 

 
 

 
 

 
 

 
 

CMBS(1)
 
$
1,246,609

 
$

 
$

 
$
1,241,334

 
$
1,241,334

CMBS interest-only(1)
 
2,362,747

(2)

 

 
54,789

 
54,789

GNMA interest-only(3)
 
135,932

(2)

 

 
2,648

 
2,648

Agency securities(1)
 
668

 

 

 
662

 
662

GNMA permanent securities(1)
 
32,633

 

 

 
33,064

 
33,064

Corporate bonds(1)
 
55,305

 

 

 
53,871

 
53,871

Equity securities
 
N/A

 
11,550

 

 

 
11,550

 
 
 
 
$
11,550

 
$

 
$
1,386,368

 
$
1,397,918

Liabilities:
 
 
 
 
 
 
 
 
 
 
Nonhedge derivatives(4)
 
$
605,871

 
$

 
$
975

 
$

 
$
975

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Financial Instruments Not Reported at Fair Value on Consolidated Statements of Financial Condition
 
Outstanding Face
Amount
 
Fair Value
 
Level 1
 
Level 2
 
Level 3
 
Total
 
 
 
 
 
 
 
 
 
 
 
Assets:
 
 
 
 
 
 
 
 
 
 
Mortgage loan receivable held for investment, net, at amortized cost:
 
 
 
 
 
 
 
 
 
 
Mortgage loans held by consolidated subsidiaries
 
$
3,340,381

 
$

 
$

 
$
3,324,588

 
$
3,324,588

Provision for loan losses
 
N/A

 

 

 
(17,900
)
 
(17,900
)
Mortgage loan receivables held for sale
 
181,905

 

 

 
187,870

 
187,870

CMBS(5)
 
12,210

 

 

 
11,306

 
11,306

CMBS interest-only(5)
 
11,189

(2)

 

 
902

 
902

FHLB stock
 
57,915

 

 

 
57,915

 
57,915

 
 
 
 
$

 
$

 
$
3,564,681

 
$
3,564,681

Liabilities:
 
 

 
 

 
 

 
 

 


Repurchase agreements - short-term
 
436,957

 
$

 
$

 
$
436,957

 
$
436,957

Repurchase agreements - long-term
 
226,728

 

 

 
226,728

 
226,728

Mortgage loan financing
 
738,825

 

 

 
735,662

 
735,662

CLO debt
 
601,543

 

 

 
601,543

 
601,543

Participation Financing - Mortgage Loan Receivable
 
2,453

 

 

 
2,453

 
2,453

Borrowings from the FHLB
 
1,286,000

 

 

 
1,286,664

 
1,286,664

Senior unsecured notes
 
1,166,201

 

 

 
1,111,288

 
1,111,288

 
 
 
 
$

 
$

 
$
4,401,295

 
$
4,401,295

 
 

(1)
Measured at fair value on a recurring basis with the net unrealized gains or losses recorded as a component of other comprehensive income (loss) in equity. 
(2)
Represents notional outstanding balance of underlying collateral. 
(3)
Measured at fair value on a recurring basis with the net unrealized gains or losses recorded in current period earnings. 
(4)
Measured at fair value on a recurring basis with the net unrealized gains or losses recorded in current period earnings.  The outstanding face amount of the nonhedge derivatives represents the notional amount of the underlying contracts.
(5)
Restricted securities which are designated as risk retention securities under the Dodd-Frank Act and are therefore subject to transfer restrictions over the term of the securitization trust, which are classified as held-to-maturity and reported at amortized cost.


The following table summarizes changes in Level 3 financial instruments reported at fair value on the consolidated statements of financial condition for the three months ended March 31, 2019 and 2018 ($ in thousands):

 
 
Three Months Ended March 31,
Level 3
 
2019
 
2018
 
 
 
 
 
Balance at January 1,
 
$
1,385,957

 
$
1,106,517

Transfer from level 2
 

 

Purchases
 
431,107

 
135,058

Sales
 
(210,279
)
 
(122,356
)
Paydowns/maturities
 
(24,166
)
 
(2,954
)
Amortization of premium/discount
 
(3,191
)
 
(6,407
)
Unrealized gain/(loss)
 
13,203

 
(8,654
)
Realized gain/(loss) on sale(1)
 
2,778

 
(1,099
)
Balance at March 31,
 
$
1,595,409

 
$
1,100,105


 
(1)
Includes realized losses on securities recorded as other than temporary impairments.

The following is quantitative information about significant unobservable inputs in our Level 3 measurements for those assets and liabilities measured at fair value on a recurring basis ($ in thousands):

March 31, 2019
Financial Instrument
 
Carrying Value
 
Valuation Technique
 
Unobservable Input
 
Minimum
 
Weighted Average
 
Maximum
 
 
 
 
 
 
 
 
 
 
 
 
 
CMBS(1)
 
$
1,481,640

 
Discounted cash flow
 
Yield (4)
 
%
 
3.38
%
 
21.32
%
 
 
 
 
 
 
Duration (years)(5)
 
0.00

 
2.16

 
8.05

CMBS interest-only(1)
 
53,570

(2)
Discounted cash flow
 
Yield (4)
 
0.62
%
 
4.61
%
 
7.87
%
 
 
 
 
 
 
Duration (years)(5)
 
0.10

 
2.88

 
6.67

 
 
 
 
 
 
Prepayment speed (CPY)(5)
 
100.00

 
100.00

 
100.00

GNMA interest-only(3)
 
2,491

(2)
Discounted cash flow
 
Yield (4)
 
2.11
%
 
8.30
%
 
10.13
%
 
 
 
 
 
 
Duration (years)(5)
 
0.04

 
3.07

 
5.06

 
 
 
 
 
 
Prepayment speed (CPJ)(5)
 
5.00

 
6.64

 
15.00

Agency securities(1)
 
661

 
Discounted cash flow
 
Yield (4)
 
%
 
1.89
%
 
2.51
%
 
 
 
 
 
 
Duration (years)(5)
 
0.00

 
2.71

 
3.61

GNMA permanent securities(1)
 
33,006

 
Discounted cash flow
 
Yield (4)
 
%
 
3.38
%
 
3.92
%
 
 
 
 
 
 
Duration (years)(5)
 
0.00

 
5.46

 
5.68

Corporate bonds(1)
 
36,609

 
Discounted cash flow
 
Yield (4)
 
3.54
%
 
3.58
%
 
3.82
%
 
 
 
 
 
 
Duration (years)(5)
 
1.52

 
1.62

 
2.27

Total
 
$
1,607,977

 
 
 
 
 
 
 
 
 
 
 
(1)
CMBS, CMBS interest-only securities, Agency securities, GNMA construction securities, GNMA permanent securities and corporate bonds are classified as available-for-sale and reported at fair value with changes in fair value recorded in the current period in other comprehensive income.
(2)
The amounts presented represent the principal amount of the mortgage loans outstanding in the pool in which the interest-only securities participate.
(3)
Agency interest-only securities are recorded at fair value with changes in fair value recorded in current period earnings.

Sensitivity of the Fair Value to Changes in the Unobservable Inputs
        
(4)
Significant increase (decrease) in the unobservable input in isolation would result in significantly lower (higher) fair value measurement.
(5)
Significant increase (decrease) in the unobservable input in isolation would result in either a significantly lower or higher (lower or higher) fair value measurement depending on the structural features of the security in question.

December 31, 2018
Financial Instrument
 
Carrying Value
 
Valuation Technique
 
Unobservable Input
 
Minimum
 
Weighted Average
 
Maximum
 
 
 
 
 
 
 
 
 
 
 
 
 
CMBS(1)
 
$
1,252,640

 
Discounted cash flow
 
Yield (3)
 
%
 
3.54
%
 
21.67
%
 
 
 
 
 
 
Duration (years)(4)
 
0.00

 
2.50

 
7.78

CMBS interest-only(1)
 
55,691

(2)
Discounted cash flow
 
Yield (3)
 
0.87
%
 
4.71
%
 
8.11
%
 
 
 
 
 
 
Duration (years)(4)
 
0.14

 
2.96

 
6.86

 
 
 
 
 
 
Prepayment speed (CPY)(4)
 
100.00

 
100.00

 
100.00

GNMA interest-only(3)
 
2,648

(2)
Discounted cash flow
 
Yield (4)
 
1.21
%
 
5.54
%
 
10.21
%
 
 
 
 
 
 
Duration (years)(5)
 
0.04

 
3.13

 
4.77

 
 
 
 
 
 
Prepayment speed (CPJ)(5)
 
5.00

 
6.58

 
15.00

Agency securities(1)
 
662

 
Discounted cash flow
 
Yield (4)
 
%
 
2.1
%
 
2.84
%
 
 
 
 
 
 
Duration (years)(5)
 
0.00

 
2.83

 
3.82

GNMA permanent securities(1)
 
33,064

 
Discounted cash flow
 
Yield (4)
 
%
 
3.51
%
 
4
%
 
 
 
 
 
 
Duration (years)(5)
 
0.00

 
5.62

 
5.88

Corporate bonds(1)
 
53,871

 
Discounted cash flow
 
Yield (4)
 
5.3
%
 
5.35
%
 
5.46
%
 
 
 
 
 
 
Duration (years)(5)
 
1.94

 
2.19

 
2.70

Total
 
$
1,398,576

 
 
 
 
 
 
 
 
 
 
 
(1)
CMBS, CMBS interest-only securities, Agency securities, GNMA construction securities, GNMA permanent securities and corporate bonds are classified as available-for-sale and reported at fair value with changes in fair value recorded in the current period in other comprehensive income.
(2)
The amounts presented represent the principal amount of the mortgage loans outstanding in the pool in which the interest-only securities participate.
(3)
Agency interest-only securities are recorded at fair value with changes in fair value recorded in current period earnings.

Sensitivity of the Fair Value to Changes in the Unobservable Inputs
        
(4)
Significant increase (decrease) in the unobservable input in isolation would result in significantly lower (higher) fair value measurement.
(5)
Significant increase (decrease) in the unobservable input in isolation would result in either a significantly lower or higher (lower or higher) fair value measurement depending on the structural features of the security in question.

Nonrecurring Fair Values

The Company measures fair value of certain assets on a nonrecurring basis when events or changes in circumstances indicate that the carrying value of the assets may not be recoverable. Adjustments to fair value generally result from the application of lower of amortized cost or fair value accounting for assets held for sale or write-down of assets value due to impairment.

The following table summarizes assets carried at fair value on a nonrecurring basis, measured at the time of impairment ($ in thousands):

 
March 31, 2019
Level 1
 
Level 2
 
Level 3
 
Total
 
 
 
 
 
 
 
 
Real estate, net(1)(2)
$

 
$
1,748

 
$

 
$
1,748

 
(1)
The write down to fair value was recorded based on contracted sales price and classified as Level 2 of the fair valuation hierarchy. On May 1, 2019, the Company completed the sale of the property recognizing $3.9 million of operating lease income, $3.5 million realized loss on sale of real estate, net and $0.4 million of depreciation and amortization expense, resulting in a $20 thousand loss on sale of real estate, net.
(2)
There were no assets carried at fair value on a nonrecurring basis at December 31, 2018.

The following table summarizes the fair value write-downs to assets carried at fair value on a nonrecurring basis ($ in thousands):

 
Three Months Ended March 31,
 
2019
 
2018
Impairment of real estate
 
 
 
Real estate, net(1)(2)
$
1,350

 
$

 
(1)
The write down to fair value was recorded based on contracted sales price and classified as Level 2 of the fair valuation hierarchy. On May 1, 2019, the Company completed the sale of the property recognizing $3.9 million of operating lease income, $3.5 million realized loss on sale of real estate, net and $0.4 million of depreciation and amortization expense, resulting in a $20 thousand loss on sale of real estate, net.
(2)
Impairment is discussed in further detail in Note 6, Real Estate and Related Lease Intangibles, Net.