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Schedule of Dividends & Distributions Declared (Detail) - USD ($)
$ in Thousands

12 Months Ended

Dec. 30, 2022

Dec. 08, 2022

Oct. 11, 2022

Sep. 23, 2022

Jun. 30, 2022

Jun. 02, 2022

Mar. 31, 2022

Mar. 03, 2022

Dec. 31, 2021

Dec. 04, 2021

Sep. 30, 2021

Sep. 11, 2021

Jun. 30, 2021

Jun. 05, 2021

Mar. 31, 2021

Feb. 14, 2021

Dec. 31, 2020

Dec. 06, 2020

Sep. 30, 2020

Sep. 13, 2020

Jun. 30, 2020

Jun. 07, 2020

Mar. 31, 2020

Feb. 09, 2020

Dec. 31, 2022

Dec. 31, 2021

Dec. 31, 2020

Dividends Payable [Line Items]

Approval Date

Dec. 08, 2022

Sep. 23, 2022

Jun. 02, 2022

Mar. 03, 2022

Dec. 04, 2021

Sep. 11, 2021

Jun. 05, 2021

Feb. 14, 2021

Dec. 06, 2020

^[1]

Sep. 13, 2020

^[1]

Jun. 07, 2020

^[2]

Feb. 09, 2020

^[2]

Record Date

Dec. 23, 2022

Oct. 04, 2022

Jun. 20, 2022

Mar. 21, 2022

Dec. 20, 2021

Sep. 23, 2021

Jun. 21, 2021

Mar. 22, 2021

Dec. 24, 2020

Sep. 25, 2020

Jun. 23, 2020

Mar. 24, 2020

Payment Date

Dec. 30, 2022

Oct. 11, 2022

Jun. 30, 2022

Mar. 31, 2022

Dec. 31, 2021

Sep. 30, 2021

Jun. 30, 2021

Mar. 31, 2021

Dec. 31, 2020

Sep. 30, 2020

Jun. 30, 2020

Mar. 31, 2020

Payment of dividends

$ 3,389

$ 3,616

$ 3,602

$ 3,597

$ 3,587

$ 3,583

$ 3,579

$ 3,570

$ 3,558

$ 3,552

$ 3,545

$ 3,539

$ 14,543

$ 14,578

$ 14,645

Unvested Shares, Net of Forfeitures

Dividends Payable [Line Items]

Approval Date

Various

^[3]

Various

^[4]

Various

^[5]

Record Date

Various

Various

Various

Payment Date

Various

Various

Various

Payment of dividends

$ 339

$ 259

$ 451

[1]	Represents distribution / return of capital payments
[2]	Represents dividends payments
[3]	Represents distributions declared on unvested shares, net of forfeitures
[4]	Represents distributions declared on unvested shares, net of forfeitures
[5]	Represents dividends / distributions declared on unvested shares, net of forfeitures

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