Notes payable, other and short-term borrowings consisted of the following (in thousands):

	March 31, 2021		December 31, 2020
Unsecured senior revolving credit agreement	$	—	$	—
5.125% Senior Notes		255,847		255,570
5.375% Senior Notes		446,911		446,577
3.750% Senior Notes		297,110		296,903
4.375% Senior Notes		297,097		297,031
Collateralized borrowings		16,330		19,854
Total Notes payable and other borrowings		1,313,295		1,315,935
Short-term borrowings		3,510		3,849
Total Notes payable, other and short-term borrowings	$	1,316,805	$	1,319,784

On November 28, 2018, the Company entered into the Revolving Credit Agreement with Bank of America, N.A., as administrative agent, and a syndicate of lenders, which replaced the existing committed unsecured senior revolving credit agreement. The maturity date of the Revolving Credit Agreement was November 28, 2020, and the maximum revolving loan balance is $350.0 million. Borrowings under this Revolving Credit Agreement bear interest at either LIBOR or a defined base rate plus additional margin. On December 11, 2019, the Company entered into an amendment to the Revolving Credit Agreement. Pursuant to the amendment, the maturity date was extended to February 26, 2021. On February 26, 2020, the Company entered into a second amendment to the Revolving Credit Agreement, pursuant to which, the maturity date was extended by two years to February 26, 2023. There was no change to the interest rate or the maximum revolving loan balance. On July 14, 2020, the Company repaid in full the $225.0 million borrowings outstanding under the Revolving Credit Agreement. As of March 31, 2021, there were no borrowings outstanding under the Revolving Credit Agreement. The average interest rate on the outstanding borrowings was 3.45% for the three months ended March 31, 2020. As of December 31, 2020, there were no borrowings outstanding under the Revolving Credit Agreement. The Company recorded interest expense related to the Revolving Credit Agreement of $0.5 million and $1.7 million for the three months ended March 31, 2021 and 2020, respectively.

The Company’s Senior Notes are recorded at amortized cost. The carrying amounts and estimated fair values of the Company’s Senior Notes were as follows (in thousands):

	March 31, 2021				December 31, 2020
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
5.125% Senior Notes	$	255,847	$	257,312	$	255,570	$	258,067
5.375% Senior Notes		446,911		487,800		446,577		486,747
3.750% Senior Notes		297,110		313,500		296,903		314,031
4.375% Senior Notes		297,097		318,900		297,031		317,466
Total	$	1,296,965	$	1,377,512	$	1,296,081	$	1,376,311

The fair values of the Senior Notes were determined using observable market prices as these securities are traded, and based on whether they are deemed to be actively traded, the 5.125% Senior Notes, the 5.375% Senior Notes, the 3.750% Senior Notes, and the 4.375% Senior Notes are considered Level 2 within the fair value hierarchy.

On May 27, 2016, the Company issued an aggregate of $300.0 million principal amount of 5.125% Senior Notes. The 5.125% Senior Notes are general senior unsecured obligations of the Company. The 5.125% Senior Notes bear interest at a rate of 5.125% per year, payable in cash on May 27 and November 27 of each year, commencing November 27, 2016. The 5.125% Senior Notes will mature on May 27, 2021. The Company may redeem some or all of the notes at any time or from time to time for cash at certain “make-whole” redemption prices (as set forth in the Indenture). If a “Change of Control Triggering Event” (as defined in the Indenture) occurs, holders may require the Company to purchase all or a portion of their notes for cash at a price equal to 101% of the principal amount of the notes to be purchased plus any accrued and unpaid interest to, but excluding, the purchase date. The initial carrying value of the 5.125% Senior Notes was $295.8 million, net of the discount and debt issuance costs of $4.2 million. The issuance costs are amortized as interest expense, and the carrying value of the 5.125% Senior Notes will accrete up to the face amount over the term of the notes. On August 5, 2020, the Company commenced a cash tender offer for any and all $300.0 million outstanding aggregate principal amount of its 5.125% Senior Notes. On August 11, 2020, the Company’s cash tender offer expired at 5:00 p.m., New York City time. As of the expiration time, $44.0 million aggregate principal amount

of the 5.125% Senior Notes were validly tendered. These notes were redeemed on the settlement date of August 14, 2020. The carrying value of the 5.125% Senior Notes as of March 31, 2021 was $255.8 million. The Company recorded interest expense related to the 5.125% Senior Notes of $3.6 million and $4.1 million for the three months ended March 31, 2021 and 2020, respectively.

On July 24, 2018, the Company issued an aggregate of $450.0 million principal amount of 5.375% Senior Notes. The 5.375% Senior Notes are general senior unsecured obligations of the Company. The 5.375% Senior Notes bear interest at a rate of 5.375% per year, payable in cash on January 24 and July 24 of each year, commencing January 24, 2019. The 5.375% Senior Notes will mature on July 24, 2023. The Company may redeem some or all of the 5.375% Senior Notes at any time or from time to time for cash at certain “make-whole” redemption prices (as set forth in the Indenture related to the 5.375% Senior Notes). If a “Change of Control Triggering Event” (as defined in the Indenture) occurs, holders may require the Company to purchase all or a portion of their notes for cash at a price equal to 101% of the principal amount of the notes to be purchased plus any accrued and unpaid interest to, but excluding, the purchase date. The initial carrying value of the 5.375% Senior Notes was $444.2 million, net of the discount and debt issuance costs of $5.8 million. The issuance costs are amortized as interest expense, and the carrying value of the 5.375% Senior Notes will accrete up to the face amount over the term of the notes. The carrying value of the 5.375% Senior Notes as of March 31, 2021 was $446.9 million. The Company recorded interest expense related to the 5.375% Senior Notes of $6.4 million for each of the three months ended March 31, 2021 and 2020.

On September 27, 2019, the Company issued an aggregate of $300.0 million principal amount of 3.750% Senior Notes. The 3.750% Senior Notes are general unsecured obligations of the Company. The 3.750% Senior Notes bear interest at a rate of 3.750% per year, payable in cash on April 1 and October 1 of each year, commencing April 1, 2020. The 3.750% Senior Notes will mature on October 1, 2024. The Company may redeem some or all of the 3.750% Senior Notes at any time or from time to time for cash at certain “make-whole” redemption prices (as set forth in the Indenture). If a “Change of Control Triggering Event” (as defined in the Indenture) occurs, holders may require the Company to purchase all or a portion of their notes for cash at a price equal to 101% of the principal amount of the notes to be purchased plus any accrued and unpaid interest to, but excluding, the purchase date. The initial carrying value of the 3.750% Senior Notes was $296.1 million, net of discount and debt issuance costs of $3.9 million. The issuance costs will be amortized as interest expense, and the carrying value of the 3.750% Senior Notes will accrete up to the face amount over the term of the notes. The carrying value of the 3.750% Senior Notes was $297.1 million as of March 31, 2021. The Company recorded interest expense related to the 3.750% Senior Notes of $3.0 million for each of the three months ended March 31, 2021 and 2020.

On July 10, 2020, the Company issued an aggregate of $300.0 million principal amount of 4.375% Senior Notes. The 4.375% Senior Notes are general unsecured obligations of the Company. The 4.375% Senior Notes bear interest at a rate of 4.375% per year, payable in cash on June 15 and December 15 of each year, commencing December 15, 2020. The 4.375% Senior Notes will mature on December 15, 2025. The Company may redeem some or all of the 4.375% Senior Notes at any time or from time to time for cash at certain “make-whole” redemption prices. If a “Change of Control Triggering Event” occurs, holders may require the Company to purchase all or a portion of their notes for cash at a price equal to 101% of the principal amount of the notes to be purchased plus any accrued and unpaid interest to, but excluding, the purchase date. The initial carrying value of the 4.375% Senior Notes was $296.8 million, net of discount and debt issuance costs of $3.2 million. The issuance costs will be amortized as interest expense, and the carrying value of the 4.375% Senior Notes will accrete up to the face amount over the term of the notes. The carrying value of the 4.375% Senior Notes was $297.1 million as of March 31, 2021. The Company recorded interest expense related to the 4.375% Senior Notes of $3.4 million for the three months ended March 31, 2021. The Company did not record interest expense related to the 4.375% Senior Notes for the three ended March 31, 2020.

On May 31, 2017, the Company entered into a $29.9 million secured loan arrangement, under which it pledged certain fixed assets as security for a loan. This arrangement incurs interest at a fixed rate of 3.44% per year and matures on May 31, 2021. As of March 31, 2021 and December 31, 2020, the Company had $2.0 million and $4.0 million, respectively, outstanding related to this arrangement. The book value of the fixed assets pledged as of March 31, 2021 and December 31, 2020 was $0.5 million and $0.8 million, respectively. The Company recorded interest expense related to this arrangement of $28 thousand and $0.1 million for the three months ended March 31, 2021 and 2020, respectively.

On April 8, 2019, the Company entered into a $15.0 million secured loan arrangement, under which it pledged certain fixed assets as security for a loan. This arrangement incurs interest at a fixed rate of 3.77% and matures on April 8, 2023. As of March 31, 2021 and December 31, 2020, the Company had $8.7 million and $9.6 million, respectively, outstanding related to this secured loan arrangement. The book value of the fixed assets pledged as of March 31, 2021 and December 31, 2020 was $0.6 million and $1.2 million, respectively. The Company recorded interest expense related to this arrangement of $0.1 million for each of the three months ended March 31, 2021 and 2020.

On April 19, 2019, the Company entered into a $10.0 million secured loan arrangement, under which it pledged certain fixed assets as security for a loan. This arrangement incurs interest at a fixed rate of 3.89% and matures on April 19, 2023. As of March 31, 2021 and December 31, 2020, the Company had $5.6 million and $6.3 million, respectively, outstanding related to this secured loan arrangement. The book value of the fixed assets pledged as of March 31, 2021 and December 31, 2020 was $2.2 million and $2.7 million, respectively. The Company recorded interest expense related to this arrangement of $0.1 million for each of the three months ended March 31, 2021 and 2020.

On August 22, 2017, the Company entered into a committed unsecured loan agreement with Itau Unibanco S.A. The agreement provides for short-term loans of up to $3.5 million (BRL 20.0 million). The maturity date of the agreement is August 19, 2021. Borrowings under this agreement bear interest at the Brazilian Interbank offering rate plus 3.30%. As of March 31, 2021 and December 31, 2020, there were $3.5 million (BRL 20.0 million) and $3.8 million (BRL 20.0 million), respectively, of borrowings outstanding under the agreement. As of March 31, 2021, the interest rate was 6.1%. The Company recorded interest expense related to the agreement of $0.1 million for each of the three months ended March 31, 2021 and 2020.

On August 23, 2017, the Company entered into a committed unsecured credit agreement with Itau Unibanco S.A. The agreement provides for an intra-day overdraft credit line up to $8.8 million (BRL 50.0 million). The maturity date of the agreement is June 9, 2021. This agreement bears a fee of 1.48% per year. As of March 31, 2021 and December 31, 2020, there were no borrowings outstanding under this agreement. The Company recorded bank fees related to the agreement of $33 thousand and $27 thousand for the three months ended March 31, 2021 and 2020, respectively.