XML 22 R9.htm IDEA: XBRL DOCUMENT
v3.20.2

Investments | 9 Months Ended
--- | ---
Sep. 30, 2020
Investments |
Investments | 5. Investments As noted in the Company’s Annual Report on Form 10-K for the year ended December 31, 2019, all of the Company’s marketable securities are classified as held-to-maturity securities and reported at amortized cost pursuant to Accounting Standards Codification (“ASC”) 320, Investments – Debt and Equity Securities, as the Company currently has the intent and ability to hold all investments to maturity. Below is a summary of the amortized cost and estimated market values of the Company’s marketable securities as of September 30, 2020, and December 31, 2019: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2020 | ​ | December 31, 2019
​ | ​ | Amortized | ​ | Market |  | Amortized | ​ | Market
​ |  | Cost |  | Value |  | Cost |  | Value
​ | ​ | (Dollars in thousands)
Municipal bonds: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Current | ​ | $ | 1,955 | ​ | $ | 1,977 | ​ | $ | 5,904 | ​ | $ | 5,915
Due from one through five years | ​ |  | 7,031 | ​ |  | 7,388 | ​ |  | 8,336 | ​ |  | 8,621
Due from six through ten years | ​ |  | 4,149 | ​ |  | 4,756 | ​ |  | 4,255 | ​ |  | 4,618
Due from eleven through twenty years | ​ |  | 2,523 | ​ |  | 2,741 | ​ |  | 3,223 | ​ |  | 3,430
Total | ​ | $ | 15,658 | ​ | $ | 16,862 | ​ | $ | 21,718 | ​ | $ | 22,584
​ The unrealized gains and losses on marketable securities at September 30, 2020, and at December 31, 2019, were as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2020 | ​ | December 31, 2019
​ | ​ | Unrealized | ​ | Unrealized | ​ | Unrealized | ​ | Unrealized
​ |  | Gains |  | Losses |  | Gains |  | Losses
​ | ​ | (Dollars in thousands)
Municipal bonds | ​ | $ | 1,204 | ​ | $ | — | ​ | $ | 866 | ​ | $ | –
​ The estimated market values provided are level 2 valuations as defined by ASC 820, Fair Value Measurements and Disclosures (“ASC 820”). The Company reviewed its portfolio of investments as of September 30, 2020 and determined that no other-than-temporary market value impairment exists.

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2209399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2324412 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2176304 + Details
Name: | us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration