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Subsequent Events (Narrative) (Details) $ in Thousands, $ in Millions |  | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Apr. 01, 2022 USD ($) | Jun. 30, 2022 USD ($) | Mar. 31, 2022 USD ($) | Mar. 31, 2021 USD ($) | Dec. 31, 2022 USD ($) | Feb. 22, 2022 | Feb. 10, 2022 USD ($) | Feb. 10, 2022 CAD ($) | Dec. 06, 2019 USD ($)
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Amortization of deferred financing costs |  |  | $ 391 | $ 391 |  |  |  |  |
Century Casino Calgary, Land And Building [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Sell of land and building |  |  |  |  |  |  | $ 6,300 | $ 8.0 |
Subsequent Event [Member] | Smooth Bourbon, LLC [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Ownership interest | 50.00% |  |  |  |  |  |  |  |
Purchased amount for ownership interest | $ 95,000 |  |  |  |  |  |  |  |
Payments for acquisition in cash | 29,300 |  |  |  |  |  |  |  |
Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Subsequent Event [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity | $ 30,000 |  |  |  |  |  |  |  |
Maturity date | Apr. 01, 2027 |  |  |  |  |  |  |  |
Consolidated First Lien Net Leverage Ratio | 2.75 |  |  |  |  |  |  |  |
Fronting fee percentage | 0.125% |  |  |  |  |  |  |  |
Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Subsequent Event [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Percentage of the net cash proceeds of non-ordinary course asset sales or certain casualty events | 100.00% |  |  |  |  |  |  |  |
Percentage of annual excess cash flow | 50.00% |  |  |  |  |  |  |  |
Prepayment premium percentage | 1.00% |  |  |  |  |  |  |  |
Percentage of funds in acquisition escrow | 100.00% |  |  |  |  |  |  |  |
Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Subsequent Event [Member] | Term Loan [Member] | Goldman Credit Agreement [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity | $ 350,000 |  |  |  |  |  |  |  |
Amount drawn | $ 350,000 |  |  |  |  |  |  |  |
Maturity date | Apr. 01, 2029 |  |  |  |  |  |  |  |
Pecentage of quarterly payments equal to original principal | 0.25% |  |  |  |  |  |  |  |
Macquarie Capital [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Amortization of deferred financing costs |  |  | $ 400 | $ 400 |  |  |  |  |
Macquarie Capital [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  | $ 10,000
Macquarie Capital [Member] | Credit Agreement [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  | 180,000
Macquarie Capital [Member] | Letter Of Credit [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  | 5,000
Macquarie Capital [Member] | Term Loan [Member] | Credit Agreement [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  | $ 170,000
Macquarie Capital [Member] | Subsequent Event [Member] | Credit Agreement [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Repayment amount | $ 166,200 |  |  |  |  |  |  |  |
Marnell Gaming, LLC [Member] | Smooth Bourbon, LLC [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Ownership interest |  |  |  |  |  | 50.00% |  |  |
Marnell Gaming, LLC [Member] | Nugget Sparks, LLC [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Ownership interest |  |  |  |  |  | 100.00% |  |  |
Marnell Gaming, LLC [Member] | Subsequent Event [Member] | Smooth Bourbon, LLC [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Ownership interest | 50.00% |  |  |  |  |  |  |  |
Purchased amount for ownership interest | $ 95,000 |  |  |  |  |  |  |  |
Payments for acquisition in cash | 29,300 |  |  |  |  |  |  |  |
Marnell Gaming, LLC [Member] | Subsequent Event [Member] | Nugget Sparks, LLC [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Lease annual rent | $ 15,000 |  |  |  |  |  |  |  |
Initial lease term | 15 years |  |  |  |  |  |  |  |
Four lease renewal option term | 5 years |  |  |  |  |  |  |  |
Minimum [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Subsequent Event [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Percentage of principal amount of unused commitments | 0.375% |  |  |  |  |  |  |  |
Maximum [Member] | Subsequent Event [Member] | Letter Of Credit [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity | $ 10,000 |  |  |  |  |  |  |  |
Maximum [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Subsequent Event [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Percentage of principal amount of unused commitments | 0.50% |  |  |  |  |  |  |  |
ABR [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Subsequent Event [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Interest rate | 4.25% |  |  |  |  |  |  |  |
ABR [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Subsequent Event [Member] | Term Loan [Member] | Goldman Credit Agreement [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Interest rate | 5.00% |  |  |  |  |  |  |  |
SOFR [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Subsequent Event [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Interest rate | 5.25% |  |  |  |  |  |  |  |
SOFR [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Subsequent Event [Member] | Term Loan [Member] | Goldman Credit Agreement [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Interest rate | 6.00% |  |  |  |  |  |  |  |
Consolidated First Lien Net Leverage Ratio Greater Than 2.75 [Member] | ABR [Member] | Subsequent Event [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Interest rate | 4.25% |  |  |  |  |  |  |  |
Consolidated First Lien Net Leverage Ratio Greater Than 2.75 [Member] | SOFR [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Interest rate | 5.25% |  |  |  |  |  |  |  |
Consolidated First Lien Net Leverage Ratio Greater Than 2.25 But Less Than Or Equal To 2.75 [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Subsequent Event [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Percentage of annual excess cash flow | 25.00% |  |  |  |  |  |  |  |
Consolidated First Lien Net Leverage Ratio Greater Than 2.25 But Less Than Or Equal To 2.75 [Member] | Minimum [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Consolidated First Lien Net Leverage Ratio | 2.25 |  |  |  |  |  |  |  |
Consolidated First Lien Net Leverage Ratio Greater Than 2.25 But Less Than Or Equal To 2.75 [Member] | Minimum [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Subsequent Event [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Consolidated First Lien Net Leverage Ratio | 2.25 |  |  |  |  |  |  |  |
Consolidated First Lien Net Leverage Ratio Greater Than 2.25 But Less Than Or Equal To 2.75 [Member] | Maximum [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Consolidated First Lien Net Leverage Ratio | 2.75 |  |  |  |  |  |  |  |
Consolidated First Lien Net Leverage Ratio Greater Than 2.25 But Less Than Or Equal To 2.75 [Member] | Maximum [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Consolidated First Lien Net Leverage Ratio | 2.75 |  |  |  |  |  |  |  |
Consolidated First Lien Net Leverage Ratio Greater Than 2.25 But Less Than Or Equal To 2.75 [Member] | ABR [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Subsequent Event [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Interest rate | 4.00% |  |  |  |  |  |  |  |
Consolidated First Lien Net Leverage Ratio Greater Than 2.25 But Less Than Or Equal To 2.75 [Member] | SOFR [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Subsequent Event [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Interest rate | 5.00% |  |  |  |  |  |  |  |
Consolidated First Lien Net Leverage Ratio Less Than Or Equal To 2.25 [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Subsequent Event [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Percentage of annual excess cash flow | 0.00% |  |  |  |  |  |  |  |
Consolidated First Lien Net Leverage Ratio Less Than Or Equal To 2.25 [Member] | Maximum [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Consolidated First Lien Net Leverage Ratio | 2.25 |  |  |  |  |  |  |  |
Consolidated First Lien Net Leverage Ratio Less Than Or Equal To 2.25 [Member] | Maximum [Member] | Goldman Sachs Bank USA and BOFA Securities, Inc [Member] | Subsequent Event [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Consolidated First Lien Net Leverage Ratio | 2.25 |  |  |  |  |  |  |  |
Consolidated First Lien Net Leverage Ratio Less Than Or Equal To 2.25 [Member] | ABR [Member] | Subsequent Event [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Interest rate | 3.75% |  |  |  |  |  |  |  |
Consolidated First Lien Net Leverage Ratio Less Than Or Equal To 2.25 [Member] | SOFR [Member] | Subsequent Event [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Interest rate | 4.75% |  |  |  |  |  |  |  |
Forecast [Member] | Smooth Bourbon, LLC [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Ownership interest |  |  |  |  | 50.00% |  |  |  |
Option to acquire period |  |  |  |  | 5 years |  |  |  |
Ownership interest, remaining |  |  |  |  | 50.00% |  |  |  |
Purchased amount for remaining ownership interest |  |  |  |  | $ 105,000 |  |  |  |
Percentage per annum, remaining ownership interest |  |  |  |  | 2.00% |  |  |  |
Forecast [Member] | Nugget Sparks, LLC [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Ownership interest |  |  |  |  | 100.00% |  |  |  |
Purchased amount for ownership interest |  |  |  |  | $ 100,000 |  |  |  |
Payments to acquire business through funds in acquisiion escrow |  |  |  |  | $ 100,000 |  |  |  |
Forecast [Member] | Macquarie Capital [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Amortization of deferred financing costs |  | $ 7,300 |  |  |  |  |  |  |

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