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Long Term Debt - Term Loan Agreement - Additional Information (Detail) - Term Loan Agreement - USD ($) |  | 9 Months Ended
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Aug. 22, 2019 | Sep. 30, 2019
Debt Instrument [Line Items] |  |
Credit agreement date |  | Aug. 22, 2019
Credit facility, maximum borrowing capacity | $ 150,000,000 |
Debt maturity date | Jun. 10, 2022 |
Percentage of net cash proceeds from issuance of new senior indebtedness |  | 100.00%
Line of credit, borrowings outstanding |  | $ 150,000,000
Minimum |  |
Debt Instrument [Line Items] |  |
Debt service coverage ratio |  | 150.00%
Maximum |  |
Debt Instrument [Line Items] |  |
Debt to capitalization ratio, percentage the Company must not exceed at any time |  | 50.00%
London Interbank Offered Rate (LIBOR) |  |
Debt Instrument [Line Items] |  |
Debt instrument, basis spread on variable rate |  | 1.125%
LIBOR interest rate |  | 3.171%
London Interbank Offered Rate (LIBOR) | Minimum |  |
Debt Instrument [Line Items] |  |
Debt instrument, basis spread on variable rate |  | 1.00%
London Interbank Offered Rate (LIBOR) | Maximum |  |
Debt Instrument [Line Items] |  |
Debt instrument, basis spread on variable rate |  | 1.375%
Base Rate |  |
Debt Instrument [Line Items] |  |
Debt instrument, basis spread on variable rate |  | 0.125%
Base Rate | Minimum |  |
Debt Instrument [Line Items] |  |
Debt instrument, basis spread on variable rate |  | 0.00%
Base Rate | Maximum |  |
Debt Instrument [Line Items] |  |
Debt instrument, basis spread on variable rate |  | 0.375%
Subject To Customary Conditions |  |
Debt Instrument [Line Items] |  |
Credit facility, maximum borrowing capacity | $ 225,000,000 |
Credit facility, additional borrowing capacity | $ 75,000,000 |

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- Definition Consolidated debt as percentage of capitalization. + References No definition available. + Details
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- Definition Debt service coverage ratio. + References No definition available. + Details
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- Definition Line of credit facility additional borrowing capacity. + References No definition available. + Details
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- Definition Percentage of net cash proceeds from issuance of new senior indebtedness. + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
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- Definition Date the credit facility terminates, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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