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Employee Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2020
Employee Benefit Plans |
Schedule of shares held in ESOP acquired after December 31, 1992 and their fair values | Shares held in the ESOP are summarized in the table below (dollars in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | As of December 31, 2020 | ​ | As of December 31, 2019
​ |  | ​ | ​ | ​ | ​ | ​ | ​ | Shares |  | Fair Value |  | Shares |  | Fair Value
Shares held in the ESOP: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Acquired prior to December 31, 1992 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | — | ​ | $ | — | ​ | ​ | 113,866 | ​ | $ | 3,131
Acquired after December 31, 1992 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 36,719 | ​ | ​ | 1,010
Total shares held in the ESOP | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | — | ​ | $ | — | ​ | ​ | 150,585 | ​ | $ | 4,141

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- Definition Tabular disclosure of the details pertaining to each employee stock ownership plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109244661&loc=d3e17540-113929 + Details
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