Debt and Other Borrowings (Details)	Sep. 30, 2020 USD ($)	Dec. 24, 2021 USD ($)	Mar. 26, 2021 USD ($)	Nov. 26, 2019 PHP (₱)	Nov. 20, 2019 PHP (₱)
Term Loan Facility | Line of Credit
Line of Credit Facility [Line Items]
Outstanding balance		$ 25,000,000	$ 25,000,000
Term Loan Facility | Credit Suisse AG, Cayman Islands Branch
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 325,000,000
Deferred financing costs	9,374,000
Senior Secured Revolving Credit Facility | Mizuho Bank, Ltd
Line of Credit Facility [Line Items]
Maximum borrowing capacity	50,000,000
Interest rate at period end		4.25%
Outstanding balance		$ 0	0
Deferred financing costs	$ 300,000
Unamortized deferred financing costs		174,000	249,000
Senior Secured Revolving Credit Facility | Mizuho Bank, Ltd | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Interest rate floor	0.50%
Senior Secured Revolving Credit Facility | Mizuho Bank, Ltd | Minimum | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Basis spread on variable rate	3.75%
Senior Secured Revolving Credit Facility | Mizuho Bank, Ltd | Maximum | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Basis spread on variable rate	4.00%
Unsecured Revolving Credit Facilities | Line-of-Credit Agreement Expiring August 31, 2021 | Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity		1,196,000		₱ 60,000,000
Outstanding balance		0	0
Unsecured Revolving Credit Facilities | Line-of-Credit Agreement Expiring June 30, 2021 | Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity		1,495,000			₱ 75,000,000
Outstanding balance		$ 0	$ 0