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Stock Buyback Plan - Schedule of Stock Buyback Plan (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Equity [Abstract] |  |
Number of shares, beginning | 206,000 | 126,000
Number of shares purchased | 132,000 | 80,000
Number of shares, ending | 338,000 | 206,000
Cost of shares, beginning | $ 1,665 | $ 1,110
Cost of shares purchased | 1,037 | 555
Cost of shares, ending | $ 2,702 | $ 1,665
Average cost per share, beginning | $ 8.08 | $ 8.81
Average cost per share purchased | 7.86 | 6.94
Average cost per share, ending | $ 7.99 | $ 8.08

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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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- Definition Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. + 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 210.5-02.29,30) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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