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v3.10.0.1

Line of Credit (Details) - USD ($) |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 13, 2016 | Jul. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility principal payment |  |  | $ 30,000,000 | $ 10,000,000 | $ 0
Letters of credit outstanding amount |  |  | 13,813,000 |  |
Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument, term | 5 years |  |  |  |
Credit facility maximum borrowing capacity | $ 300,000,000 |  |  |  |
Credit facility stated percentage | 0.00% |  |  |  |
Credit facility accordion feature, increase limit | $ 100,000,000 |  |  |  |
Credit facility borrowings |  | $ 40,000,000 |  |  |
Credit facility principal payment |  |  | 30,000,000 | 10,000,000 |
Credit facility remaining borrowing capacity |  |  | 286,187,000 |  |
Credit facility commitment fees |  |  | 645,000 | $ 781,000 | $ 531,000
Revolving Credit Facility | London Interbank Offered Rate (LIBOR) |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility variable interest rate basis spread (as a percent) | 1.00% |  |  |  |
Revolving Credit Facility | Federal Funds Rate |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility variable interest rate basis spread (as a percent) | 0.50% |  |  |  |
Letter of Credit [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility maximum borrowing capacity |  |  | $ 15,000,000 |  |
Credit facility, commitment fee percentage |  |  | 1.25% |  |
Credit facility, fronting fee percentage |  |  | 0.175% |  |
Minimum | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility commitment fee per annum on daily unused portion (as a percent) | 0.15% |  |  |  |
Minimum | Revolving Credit Facility | Base Rate |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility variable interest rate basis spread (as a percent) | 0.25% |  |  |  |
Minimum | Revolving Credit Facility | London Interbank Offered Rate (LIBOR) |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility variable interest rate basis spread (as a percent) | 1.25% |  |  |  |
Maximum | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility commitment fee per annum on daily unused portion (as a percent) | 0.30% |  |  |  |
Maximum | Revolving Credit Facility | Base Rate |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility variable interest rate basis spread (as a percent) | 1.00% |  |  |  |
Maximum | Revolving Credit Facility | London Interbank Offered Rate (LIBOR) |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility variable interest rate basis spread (as a percent) | 2.00% |  |  |  |
Weighted Average | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility interest rate during the period |  |  | 2.93% |  |

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- Definition Line Of Credit Facility, Fronting Fee Percentage + References No definition available. + Details
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- Definition Line of Credit Facility, Conditional Increase (Decrease), Net + 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 Contractual interest rate for funds borrowed, under the debt 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Definition Amount of the fee for available but unused credit capacity under the credit 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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- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
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- Definition The effective interest rate during the reporting period. + 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 Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + 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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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + 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 The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
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- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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