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Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Disaggregation of Revenue [Line Items] |  |  |  |
Personal trust and agency accounts | $ 2,626 | $ 2,089 | $ 5,013 | $ 4,260
Employee benefit and retirement-related accounts | 2,363 | 1,819 | 4,664 | 3,735
Investment management and investment advisory agency accounts | 3,116 | 2,515 | 6,125 | 5,157
Other | 464 | 370 | 940 | 754
Non-sufficient funds (NSF) fees | 1,144 | 828 | 2,278 | 2,443
Demand deposit account (DDA) charges | 774 | 741 | 1,563 | 1,502
Other | 114 | 107 | 245 | 259
Credit card | 636 | 463 | 1,216 | 1,060
HELOC | 99 | 113 | 188 | 211
Installment | 46 | 48 | 80 | 101
Real estate | 6,011 | 7,775 | 14,449 | 10,422
Commercial | 367 | 359 | 843 | 730
Debit card fee income | 6,758 | 5,560 | 12,844 | 10,520
Bank owned life insurance income | 1,149 | 1,179 | 2,314 | 2,427
ATM Fees | 655 | 438 | 1,185 | 850
Gains (Losses) on Sales of Other Real Estate | 4 | 841 | (29) | 645
(Gain) loss on equity securities, net | 467 | (977) | 2,277 | (1,950)
Other components of net periodic benefit income | 2,038 | 1,988 | 4,076 | 3,976
Other | 2,407 | 1,395 | 5,056 | 3,035
Total other income | 31,238 | 30,964 | 65,327 | 53,450
Debt Securities, Realized Gain (Loss) | 0 | 3,313 | 0 | 3,313
Bank Servicing [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 7,159 | 8,758 | 16,776 | 12,524
Within Scope [Domain] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 1,300 | 1,100 | 2,600 | 2,300
Out of Scope [Domain] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 5,900 | 7,700 | 14,200 | 10,200
PNB [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Personal trust and agency accounts | 2,626 | 2,089 | 5,013 | 4,260
Employee benefit and retirement-related accounts | 2,363 | 1,819 | 4,664 | 3,735
Investment management and investment advisory agency accounts | 3,116 | 2,515 | 6,125 | 5,157
Other | 464 | 370 | 940 | 754
Non-sufficient funds (NSF) fees | 1,144 | 828 | 2,278 | 2,443
Demand deposit account (DDA) charges | 774 | 741 | 1,563 | 1,502
Other | 114 | 107 | 245 | 259
Credit card | 636 | 461 | 1,216 | 1,057
HELOC | 99 | 113 | 188 | 211
Installment | 46 | 48 | 80 | 101
Real estate | 6,011 | 7,775 | 14,449 | 10,422
Commercial | 364 | 307 | 782 | 678
Debit card fee income | 6,758 | 5,560 | 12,844 | 10,520
Bank owned life insurance income | 1,062 | 1,177 | 2,147 | 2,343
ATM Fees | 655 | 438 | 1,185 | 850
Gains (Losses) on Sales of Other Real Estate | 4 | 841 | (29) | 645
(Gain) loss on equity securities, net | 495 | (792) | 1,329 | (626)
Other components of net periodic benefit income | 1,986 | 1,940 | 3,973 | 3,880
Other | 2,409 | 1,359 | 4,934 | 2,986
Total other income | 31,126 | 31,009 | 63,926 | 54,490
Debt Securities, Realized Gain (Loss) | 0 | 3,313 | 0 | 3,313
All Other [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Personal trust and agency accounts | 0 | 0 | 0 | 0
Employee benefit and retirement-related accounts | 0 | 0 | 0 | 0
Investment management and investment advisory agency accounts | 0 | 0 | 0 | 0
Other | 0 | 0 | 0 | 0
Non-sufficient funds (NSF) fees | 0 | 0 | 0 | 0
Demand deposit account (DDA) charges | 0 | 0 | 0 | 0
Other | 0 | 0 | 0 | 0
Credit card | 0 | 2 | 0 | 3
HELOC | 0 | 0 | 0 | 0
Installment | 0 | 0 | 0 | 0
Real estate | 0 | 0 | 0 | 0
Commercial | 3 | 52 | 61 | 52
Debit card fee income | 0 | 0 | 0 | 0
Bank owned life insurance income | 87 | 2 | 167 | 84
ATM Fees | 0 | 0 | 0 | 0
Gains (Losses) on Sales of Other Real Estate | 0 | 0 | 0 | 0
(Gain) loss on equity securities, net | (28) | (185) | 948 | (1,324)
Other components of net periodic benefit income | 52 | 48 | 103 | 96
Other | (2) | 36 | 122 | 49
Total other income | 112 | (45) | 1,401 | (1,040)
Debt Securities, Realized Gain (Loss) | $ 0 | $ 0 | $ 0 | $ 0

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- Definition Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130543-203045 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
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