INTANGIBLE ASSETS AND LIABILITIES
9 Months Ended
Sep. 30, 2021
INTANGIBLE ASSETS AND LIABILITIES  
INTANGIBLE ASSETS AND LIABILITIES

NOTE 5. INTANGIBLE ASSETS AND LIABILITIES

Intangible assets and liabilities consist of the value of above-market and below-market leases, the value of in-place leases, and the value of leasing costs, based in each case on their fair values. Intangible assets and liabilities consisted of the following as of September 30, 2021 and December 31, 2020 (in thousands):

As of

September 30, 2021

December 31, 2020

Intangible Lease Assets:

Value of In-Place Leases

$

41,090

$

27,494

Value of Above Market In-Place Leases

3,182

2,187

Value of Intangible Leasing Costs

16,966

11,459

Sub-total Intangible Lease Assets

61,238

41,140

Accumulated Amortization

(8,553)

(4,259)

Sub-total Intangible Lease Assets—Net

52,685

36,881

Intangible Lease Liabilities:

Value of Below Market In-Place Leases

(5,736)

(3,674)

Sub-total Intangible Lease Liabilities

(5,736)

(3,674)

Accumulated Amortization

738

375

Sub-total Intangible Lease Liabilities—Net

(4,998)

(3,299)

Total Intangible Assets and Liabilities—Net

$

47,687

$

33,582

The following table reflects the net amortization of intangible assets and liabilities during the three and nine months ended September 30, 2021 and 2020 (in thousands):

Three Months Ended

Nine Months Ended

September 30, 2021

September 30, 2020

September 30, 2021

September 30, 2020

Amortization Expense

$

1,637

$

1,038

$

4,134

$

2,646

Increase to Income Properties Revenue

(77)

(30)

(168)

(78)

Net Amortization of Intangible Assets and Liabilities

$

1,560

$

1,008

$

3,966

$

2,568

The estimated future amortization expense (income) related to net intangible assets and liabilities is as follows (in thousands):

Year Ending December 31,

Future Amortization Expense

Future Accretion to Income Property Revenue

Net Future Amortization of Intangible Assets and Liabilities

Remainder of 2021

$

1,819

$

(74)

$

1,745

2022

7,276

(297)

6,979

2023

7,274

(297)

6,977

2024

7,044

(285)

6,759

2025

6,496

(239)

6,257

2026 and thereafter

20,063

(1,093)

18,970

Total

$

49,972

$

(2,285)

$

47,687

As of September 30, 2021, the weighted average amortization period of both the total intangible assets and liabilities was 8.9 years.