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v3.20.1

Subsequent Events (Details) |  | 1 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Apr. 07, 2020 USD ($) agreement | Mar. 31, 2020 USD ($) | Feb. 29, 2020 USD ($) | Mar. 02, 2019 USD ($) | Aug. 31, 2019 USD ($) | Sep. 01, 2018 USD ($)
Subsequent Event [Line Items] |  |  |  |  |  |
Cash and cash equivalents |  |  | $ 44,867,000 | $ 31,167,000 | $ 32,286,000 | $ 46,217,000
Borrowings under the revolving credit facilities |  |  | 389,600,000 | 326,000,000 |  |
Proceeds from lines of credit |  |  | $ 389,600,000 | $ 326,000,000 |  |
Committed Bank Facility [Member] |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Maturity date |  |  | Apr. 14, 2022 |  |  |
Remaining borrowing capacity |  |  | $ 495,850,000 |  |  |
Outstanding balance |  |  | 100,000,000 |  | 0 |
Committed Bank Facility [Member] | Subsequent Event [Member] |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Remaining borrowing capacity |  | $ 295,850,000 |  |  |  |
Payments under revolving loans from credit facility |  | 100,000,000 |  |  |  |
Borrowings under the revolving credit facilities |  | 300,000,000 |  |  |  |
Proceeds from lines of credit |  | 300,000,000 |  |  |  |
Uncommitted Bank Facilities [Member] |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Outstanding balance |  |  | 288,600,000 |  | $ 155,000,000 |
Uncommitted Bank Facilities [Member] | Subsequent Event [Member] |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Remaining borrowing capacity | $ 415,000,000 |  |  |  |  |
Amended Uncommitted Facilities [Member] |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Outstanding balance |  |  | 288,000,000 |  |  |
Amended Uncommitted Facilities [Member] | Subsequent Event [Member] |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Payments under revolving loans from credit facility | 134,000,000 |  |  |  |  |
Borrowings under the revolving credit facilities | $ 34,000,000 |  |  |  |  |
Number of debt agreements terminated | agreement | 2 |  |  |  |  |
Proceeds from lines of credit | $ 34,000,000 |  |  |  |  |
Number of debt agreements borrowed from during the period | agreement | 2 |  |  |  |  |
Outstanding balance | $ 188,600,000 |  |  |  |  |
Debt agreement, interest period | 30 days |  |  |  |  |
Series 2019A Notes, 2.40%, Due March 5, 2024 [Member] | Met Life Note Purchase Agreement [Member] | Subsequent Event [Member] |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Principal amount |  | $ 50,000,000 |  |  |  |
Interest rate |  | 2.40% |  |  |  |
Maturity date |  | Mar. 05, 2024 |  |  |  |
Senior Notes, 2.60%, Due March 5, 2027 [Member] | Met Life Note Purchase Agreement [Member] | Subsequent Event [Member] |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Principal amount |  | $ 50,000,000 |  |  |  |
Interest rate |  | 2.60% |  |  |  |
Maturity date |  | Mar. 05, 2027 |  |  |  |
Met Life Note Purchase Agreement [Member] |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Remaining borrowing capacity |  |  | 210,000,000 |  |  |
Prudential Note Purchase Agreement [Member] |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Remaining borrowing capacity |  |  | $ 200,000,000 |  |  |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3044-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765 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 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + 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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