XML 32 R22.htm IDEA: XBRL DOCUMENT
v3.21.1

Other Comprehensive Income (Loss) (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2021
Other comprehensive income (loss) |
Schedule of components of accumulated other comprehensive loss | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | March 31, 2021 |  | ​ | December 31, 2020 |
Net unrealized gain on investment securities available-for-sale | ​ | $ | 1,946 | ​ | $ | 9,696 | ​
Income tax | ​ |  | 409 | ​ |  | 2,036 | ​
Net of income taxes | ​ |  | 1,537 | ​ |  | 7,660 | ​
Benefit plan adjustments | ​ |  | (7,977) | ​ |  | (7,977) | ​
Income tax benefit | ​ |  | (1,675) | ​ |  | (1,675) | ​
Net of income taxes | ​ |  | (6,302) | ​ |  | (6,302) | ​
Derivative adjustments | ​ |  | 1,244 | ​ |  | 1,002 | ​
Income tax | ​ |  | 262 | ​ |  | 211 | ​
Net of income taxes | ​ |  | 982 | ​ |  | 791 | ​
Accumulated other comprehensive income (loss) | ​ | $ | (3,782) | ​ | $ | 2,149 | ​

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

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration