Debt - Additional Information (Details) | Mar. 31, 2021USD ($)LetterOfCredit | Dec. 31, 2020USD ($) | Sep. 30, 2019USD ($) | Mar. 31, 2021USD ($)letterOfCredit | Mar. 31, 2020USD ($) | Sep. 30, 2020USD ($) | May 06, 2020USD ($) | Mar. 31, 2016USD ($) | May 31, 2015USD ($) |
Debt Instrument [Line Items] | | | | | | | | | |
Repayments of lines of credit | | | | $ 40,000,000 | $ 0 | | | | |
Estimated fair value | $ 2,700,000,000 | $ 2,800,000,000 | | 2,700,000,000 | | | | | |
ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Estimated fair value | $ 2,700,000,000 | $ 2,700,000,000 | | 2,700,000,000 | | | | | |
LIBOR | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Spread on base rate (as a percent) | 0.11% | 0.14% | | | | | | | |
Revolving Credit Facility | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Revolving credit facility, capacity | $ 600,000,000 | | | $ 600,000,000 | | | | | |
ESH REIT Term Facility | Revolving Credit Facility | Federal Funds Rate | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Spread on base rate (as a percent) | | | | 0.50% | | | | | |
ESH REIT Term Facility | Revolving Credit Facility | One-Month London Interbank Offered Rate | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Spread on base rate (as a percent) | | | | 1.00% | | | | | |
ESH REIT Term Facility | Revolving Credit Facility | ESH REIT | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Revolving credit facility, capacity | 350,000,000 | | | $ 350,000,000 | | | | | |
ESH REIT Term Facility | Revolving Credit Facility | ESH REIT | Libor Plus Rate Other than Level 1 Period | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Spread on base rate (as a percent) | | | | 1.00% | | | | | |
ESH REIT Term Facility | Revolving Credit Facility | ESH REIT | Libor Plus Rate | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Spread on base rate (as a percent) | | | | 0.75% | | | | | |
ESH REIT Term Facility | Medium-term Notes | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Stated amount | 630,900,000 | | | $ 630,900,000 | | | | | |
ESH REIT Term Facility | Medium-term Notes | Libor Plus Rate Other than Level 1 Period | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Spread on base rate (as a percent) | | | | 2.00% | | | | | |
2016 ESH REIT Revolving Credit Facility | Revolving Credit Facility | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Revolving credit facility, capacity | $ 350,000,000 | | | $ 350,000,000 | | | | | |
Loan to value ratio maximum | 45.00% | | | 45.00% | | | | | |
Spread on base rate (as a percent) | | | | 1.00% | | | | | |
Fair value of amount outstanding | $ 350,000,000 | | | $ 350,000,000 | | | | | |
2016 ESH REIT Revolving Credit Facility | Revolving Credit Facility | Minimum | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Fee on unutilized revolving credit facility | | | | 0.175% | | | | | |
2016 ESH REIT Revolving Credit Facility | Revolving Credit Facility | Maximum | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Fee on unutilized revolving credit facility | | | | 0.30% | | | | | |
2016 ESH REIT Revolving Credit Facility | Revolving Credit Facility | LIBOR | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Spread on base rate (as a percent) | | | | 2.00% | | | | | |
2016 ESH REIT Revolving Credit Facility | Revolving Credit Facility | LIBOR | Minimum | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Spread on base rate (as a percent) | | | | 1.50% | | | | | |
2016 ESH REIT Revolving Credit Facility | Revolving Credit Facility | LIBOR | Maximum | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Spread on base rate (as a percent) | | | | 2.00% | | | | | |
2016 ESH REIT Revolving Credit Facility | Revolving Credit Facility | Federal Funds Rate | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Spread on base rate (as a percent) | | | | 0.50% | | | | | |
2016 ESH REIT Revolving Credit Facility | Revolving Credit Facility | Base Rate | Minimum | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Spread on base rate (as a percent) | | | | 0.50% | | | | | |
2016 ESH REIT Revolving Credit Facility | Revolving Credit Facility | Base Rate | Maximum | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Spread on base rate (as a percent) | | | | 1.00% | | | | | |
2016 ESH REIT Revolving Credit Facility | Revolving Credit Facility | ESH REIT | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Fair value of amount outstanding | | | | | | $ 350,000,000 | | | |
Number of letters of credit | letterOfCredit | | | | 0 | | | | | |
Additional borrowing capacity | | | | | | | $ 150,000,000 | | |
Minimum liquidity | | | | | | | $ 150,000,000 | | |
2016 ESH REIT Revolving Credit Facility | Letter of Credit | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Revolving credit facility, capacity | $ 50,000,000 | | | $ 50,000,000 | | | | | |
Number of letters of credit | LetterOfCredit | 0 | | | | | | | | |
2016 ESH REIT Revolving Credit Facility | Line of Credit | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Stated amount | $ 350,000,000 | | | 350,000,000 | | | | | |
2025 Notes | Senior Notes | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Stated amount | $ 1,300,000,000 | | | $ 1,300,000,000 | | | | $ 800,000,000 | $ 500,000,000 |
Stated interest rate (as a percent) | 5.25% | | | 5.25% | | | | | 5.25% |
2025 Notes | Senior Notes | Change of Control | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Redemption price as a percentage of principal repayment | | | | 101.00% | | | | | |
2025 Notes | Senior Notes | Minimum | Redemption period three | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Redemption price as a percentage of principal repayment | | | | 100.00% | | | | | |
2025 Notes | Senior Notes | Maximum | Redemption period three | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Redemption price as a percentage of principal repayment | | | | 102.625% | | | | | |
2025 Notes | Senior Notes | ESH REIT | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Stated amount | $ 1,300,000,000 | | | $ 1,300,000,000 | | | | $ 800,000,000 | $ 500,000,000 |
Stated interest rate (as a percent) | 5.25% | | | 5.25% | | | | | 5.25% |
2025 Notes | Senior Notes | ESH REIT | Change of Control | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Redemption price as a percentage of principal repayment | | | | 101.00% | | | | | |
2025 Notes | Senior Notes | ESH REIT | Minimum | Redemption period three | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Redemption price as a percentage of principal repayment | | | | 100.00% | | | | | |
2025 Notes | Senior Notes | ESH REIT | Maximum | Redemption period three | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Redemption price as a percentage of principal repayment | | | | 102.625% | | | | | |
2027 Notes | Senior Notes | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Stated amount | $ 750,000,000 | | $ 750,000,000 | $ 750,000,000 | | | | | |
Stated interest rate (as a percent) | 4.63% | | 4.625% | 4.63% | | | | | |
Percent of debt issued in private placement | | | 100.00% | | | | | | |
2027 Notes | Senior Notes | Redemption period one | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Redemption price as a percentage of principal repayment | | | | 102.313% | | | | | |
2027 Notes | Senior Notes | Redemption period two | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Redemption price as a percentage of principal repayment | | | | 100.00% | | | | | |
2027 Notes | Senior Notes | Redemption period three | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Redemption price as a percentage of principal repayment | | | | 100.00% | | | | | |
Redemption price percentage of principal amount redeemed | | | | 35.00% | | | | | |
Percentage of principal amount outstanding | | | | 65.00% | | | | | |
2027 Notes | Senior Notes | Redemption period four | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Redemption price as a percentage of principal repayment | | | | 101.00% | | | | | |
2016 Corporation Revolving Credit Facility | Revolving Credit Facility | Minimum | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Fee on unutilized revolving credit facility | | | | 0.175% | | | | | |
2016 Corporation Revolving Credit Facility | Revolving Credit Facility | Maximum | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Fee on unutilized revolving credit facility | | | | 0.30% | | | | | |
2016 Corporation Revolving Credit Facility | Revolving Credit Facility | LIBOR | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Spread on base rate (as a percent) | | | | 2.25% | | | | | |
2016 Corporation Revolving Credit Facility | Revolving Credit Facility | LIBOR | Maximum | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Spread on base rate (as a percent) | | | | 1.25% | | | | | |
2016 Corporation Revolving Credit Facility | Revolving Credit Facility | Federal Funds Rate | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Spread on base rate (as a percent) | | | | 0.50% | | | | | |
2016 Corporation Revolving Credit Facility | Revolving Credit Facility | One-Month London Interbank Offered Rate | Minimum | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Spread on base rate (as a percent) | | | | 1.00% | | | | | |
2016 Corporation Revolving Credit Facility | Revolving Credit Facility | ESH REIT | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Loan to value ratio maximum | 45.00% | | | 45.00% | | | | | |
2016 Corporation Revolving Credit Facility | Letter of Credit | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Fair value of amount outstanding | $ 9,800,000 | | | $ 9,800,000 | | | | | |
Number of letters of credit | letterOfCredit | | | | 1 | | | | | |
Consolidated leverage ratio maximum | | | | 8.75 | | | | | |
2016 Corporation Revolving Credit Facility | Letter of Credit | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Revolving credit facility, capacity | 50,000,000 | | | $ 50,000,000 | | | | | |
Fair value of amount outstanding | 200,000 | | | 200,000 | | | | | |
Line of credit facility, remaining borrowing capacity | 40,000,000 | | | 40,000,000 | | | | | |
2016 Corporation Revolving Credit Facility | Swingline Loan | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Revolving credit facility, capacity | 20,000,000 | | | $ 20,000,000 | | | | | |
2016 Corporation Revolving Credit Facility | Line of Credit | Revolving Credit Facility | ESH REIT | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Minimum principal coverage | | | | 25.00% | | | | | |
2016 Corporation Revolving Credit Facility | Line of Credit | Letter of Credit | ESH REIT | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Revolving credit facility, capacity | 30,000,000 | | | $ 30,000,000 | | | | | |
Corporation Revolving Credit Facility | Revolving Credit Facility | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Stated amount | $ 50,000,000 | | | 50,000,000 | | | | | |
Repayments of lines of credit | | | | $ 40,000,000 | | | | | |
Corporation Revolving Credit Facility | Revolving Credit Facility | LIBOR | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Spread on base rate (as a percent) | | | | 2.25% | | | | | |
Public Corporate Family Rating Better Than Or Equal To BB- | ESH REIT Term Facility | Medium-term Notes | LIBOR | ESH Hospitality, Inc. | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Spread on base rate (as a percent) | | | | 1.75% | | | | | |