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v3.20.4

Debt (Details) - USD ($) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Debt |  |  |  |
Basis Spread of Variable Rate, LIBOR, Minimum |  | 25.00% |  |
Amount of interest costs incurred, capitalized, and expensed |  |  |  |
Interest costs incurred |  | $ 2,796,000 | $ 2,172,000 | $ 1,224,000
Less: Interest capitalized |  | (512,000) | (144,000) | (160,000)
Interest expense |  | $ 2,284,000 | $ 2,028,000 | 1,064,000
LIBOR | Minimum |  |  |  |
Debt |  |  |  |
Credit facility, interest rate spread (as a percent) |  | 80.00% |  |
LIBOR | Maximum |  |  |  |
Debt |  |  |  |
Credit facility, interest rate spread (as a percent) |  | 165.00% |  |
Base rate | Minimum |  |  |  |
Debt |  |  |  |
Credit facility, interest rate spread (as a percent) |  | 20.00% |  |
Base rate | Maximum |  |  |  |
Debt |  |  |  |
Credit facility, interest rate spread (as a percent) |  | 65.00% |  |
Primary Revolving Credit Facility |  |  |  |
Debt |  |  |  |
Total outstanding balances |  |  |  | $ 800
Long-term Debt |  | $ 900,000 |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  | 303,800,000 |  |
Primary Revolving Credit Facility | Wells Fargo Bank |  |  |  |
Debt |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 300,000,000.0 |  |
Proceeds from Unsecured Lines of Credit | $ 150,000,000.0 |  |  |
Primary Revolving Credit Facility | Minimum | Wells Fargo Bank |  |  |  |
Debt |  |  |  |
Facility fees on the available commitment of the facility (as a percent) |  | 20.00% |  |
Primary Revolving Credit Facility | Maximum | Wells Fargo Bank |  |  |  |
Debt |  |  |  |
Facility fees on the available commitment of the facility (as a percent) |  | 35.00% |  |
Cisco Systems Capital Corporation | Minimum |  |  |  |
Debt |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 2.89% |
Cisco Systems Capital Corporation | Maximum |  |  |  |
Debt |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 3.50% |

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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 Total interest costs incurred during the period and either capitalized or charged against earnings. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: 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(a)(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 3: 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 4: 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 + Details
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