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Debt (Line of Credit) (Details) - USD ($) | Jul. 31, 2017 | Dec. 31, 2019 | Dec. 31, 2018 | Oct. 17, 2018
--- | --- | --- | --- | ---
Line of Credit Facility [Line Items] |  |  |  |
Revolving line of credit |  | $ 18,500,000 | $ 20,000,000 |
Revolving Credit Facility | Pinnacle Bank | Second Amendment |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Line of credit, maximum borrowing capacity |  |  |  | $ 20,000,000.0
Revolving line of credit |  | 18,500,000 |  |
Revolving Credit Facility | Pinnacle Bank | Line of Credit |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Line of credit, maximum borrowing capacity |  | 12,000,000.0 |  |
Line of credit, maximum borrowing capacity upon satisfaction of certain conditions |  | $ 20,000,000.0 |  |
Revolving line of credit |  |  | $ 20,000,000.0 |
Interest rate |  | 4.50% |  |
Line of credit, unused capacity, commitment fee percentage | 0.25% |  |  |
Revolving Credit Facility | Pinnacle Bank | Line of Credit | Minimum |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Interest rate |  | 1.75% |  |
Revolving Credit Facility | Pinnacle Bank | Line of Credit | Maximum |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Interest rate |  | 2.75% |  |

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- Definition Line of Credit Facility, Maximum Borrowing Capacity Upon Satisfaction of Certain Conditions + 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 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 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 The carrying value as of the balance sheet date of the noncurrent portion 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 470 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=99376301&loc=d3e1336-112600 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=99376301&loc=d3e1314-112600 + Details
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