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Revenue from Contract with Customers (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disaggregation of Revenue [Line Items] |  |  |
Personal trust and agency accounts income | $ 8,495 | $ 7,752 | $ 7,101
Employee benefit and retirement-related accounts income | 6,863 | 6,234 | 5,432
Investment management and investment advisory agency accounts income | 9,352 | 8,386 | 7,693
Other income from fiduciary activities | 1,583 | 1,363 | 1,174
Non-sufficient funds (NSF) fees | 7,483 | 8,122 | 8,970
Demand deposit account (DDA) charges | 3,310 | 3,847 | 3,932
Other service charges on deposit accounts | 668 | 684 | 1,357
Credit card other service income | 2,239 | 1,981 | 1,584
HELOC other service income | 471 | 478 | 458
Installment other service income | 243 | 387 | 638
Real estate other service income | 9,079 | 9,005 | 9,319
Commercial other service income | 2,234 | 1,311 | 2,420
Checkcard fee income | 17,317 | 15,798 | 15,057
Bank owned life insurance income | 6,815 | 4,858 | 4,338
ATM fees | 1,978 | 2,253 | 2,268
OREO valuation adjustments | (491) | (458) | (601)
Gain on the sale of OREO, net | 4,235 | 251 | 1,323
Net (loss) gain on the sale of investment securities | (2,271) | 1,821 | 0
Gain on equity securities, net | 3,213 | 0 | 0
Other components of net periodic benefit income | 6,820 | 5,794 | 5,308
Gain on the sale of non-performing loans | 2,826 | 0 | 0
Miscellaneous | 8,639 | 6,562 | 6,268
Noninterest Income | 101,101 | 86,429 | 84,039
Within Scope [Domain] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Miscellaneous | 5,500 | 4,400 | 5,400
Out of Scope [Domain] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Miscellaneous | 8,800 | 8,800 | 9,000
Pnb Segment [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Personal trust and agency accounts income | 8,495 | 7,752 | 7,101
Employee benefit and retirement-related accounts income | 6,863 | 6,234 | 5,432
Investment management and investment advisory agency accounts income | 9,352 | 8,386 | 7,693
Other income from fiduciary activities | 1,583 | 1,363 | 1,174
Non-sufficient funds (NSF) fees | 7,483 | 8,122 | 8,970
Demand deposit account (DDA) charges | 3,310 | 3,847 | 3,932
Other service charges on deposit accounts | 668 | 684 | 1,357
Credit card other service income | 2,212 | 1,987 | 1,584
HELOC other service income | 471 | 474 | 453
Installment other service income | 243 | 387 | 638
Real estate other service income | 9,079 | 8,974 | 9,319
Commercial other service income | 1,153 | 1,118 | 739
Checkcard fee income | 17,317 | 15,798 | 15,057
Bank owned life insurance income | 4,903 | 4,441 | 3,913
ATM fees | 1,978 | 2,253 | 2,268
OREO valuation adjustments | 272 | 458 | 583
Gain on the sale of OREO, net | 1,440 | 239 | 257
Net (loss) gain on the sale of investment securities | (2,271) | 0 |
Gain on equity securities, net | (53) |  |
Other components of net periodic benefit income | 6,609 | 5,616 | 5,156
Gain on the sale of non-performing loans | 660 |  |
Miscellaneous | 7,758 | 5,525 | 5,499
Noninterest Income | 88,981 | 82,742 | 79,959
GFSC |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Personal trust and agency accounts income | 0 | 0 | 0
Employee benefit and retirement-related accounts income | 0 | 0 | 0
Investment management and investment advisory agency accounts income | 0 | 0 | 0
Other income from fiduciary activities | 0 | 0 | 0
Non-sufficient funds (NSF) fees | 0 | 0 | 0
Demand deposit account (DDA) charges | 0 | 0 | 0
Other service charges on deposit accounts | 0 | 0 | 0
Credit card other service income | 27 | (6) | 0
HELOC other service income | 0 | 0 | 0
Installment other service income | 0 | 0 | 0
Real estate other service income | 0 | 0 | 0
Commercial other service income | 0 | 0 | 0
Checkcard fee income | 0 | 0 | 0
Bank owned life insurance income | 0 | 0 | 0
ATM fees | 0 | 0 | 0
OREO valuation adjustments | 0 | 0 | 0
Gain on the sale of OREO, net | 0 | 0 | 0
Net (loss) gain on the sale of investment securities | 0 | 0 |
Gain on equity securities, net | 0 |  |
Other components of net periodic benefit income | 75 | 63 | 58
Gain on the sale of non-performing loans | 0 |  |
Miscellaneous | 85 | 46 | (1)
Noninterest Income | 187 | 103 | 57
SEPH |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Personal trust and agency accounts income | 0 | 0 | 0
Employee benefit and retirement-related accounts income | 0 | 0 | 0
Investment management and investment advisory agency accounts income | 0 | 0 | 0
Other income from fiduciary activities | 0 | 0 | 0
Non-sufficient funds (NSF) fees | 0 | 0 | 0
Demand deposit account (DDA) charges | 0 | 0 | 0
Other service charges on deposit accounts | 0 | 0 | 0
Credit card other service income | 0 | 0 | 0
HELOC other service income | 0 | 4 | 5
Installment other service income | 0 | 0 | 0
Real estate other service income | 0 | 31 | 0
Commercial other service income | 1,081 | 193 | 1,681
Checkcard fee income | 0 | 0 | 0
Bank owned life insurance income | 0 | 0 | 0
ATM fees | 0 | 0 | 0
OREO valuation adjustments | 219 | 0 | 18
Gain on the sale of OREO, net | 2,795 | 12 | 1,066
Net (loss) gain on the sale of investment securities | 0 | 0 |
Gain on equity securities, net | 0 |  |
Other components of net periodic benefit income | 136 | 115 | 94
Gain on the sale of non-performing loans | 2,166 |  |
Miscellaneous | (59) | 164 | 240
Noninterest Income | 5,900 | 519 | 3,068
All Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Personal trust and agency accounts income | 0 | 0 | 0
Employee benefit and retirement-related accounts income | 0 | 0 | 0
Investment management and investment advisory agency accounts income | 0 | 0 | 0
Other income from fiduciary activities | 0 | 0 | 0
Non-sufficient funds (NSF) fees | 0 | 0 | 0
Demand deposit account (DDA) charges | 0 | 0 | 0
Other service charges on deposit accounts | 0 | 0 | 0
Credit card other service income | 0 | 0 | 0
HELOC other service income | 0 | 0 | 0
Installment other service income | 0 | 0 | 0
Real estate other service income | 0 | 0 | 0
Commercial other service income | 0 | 0 | 0
Checkcard fee income | 0 | 0 | 0
Bank owned life insurance income | 1,912 | 417 | 425
ATM fees | 0 | 0 | 0
OREO valuation adjustments | 0 | 0 | 0
Gain on the sale of OREO, net | 0 | 0 | 0
Net (loss) gain on the sale of investment securities | 0 | 1,821 |
Gain on equity securities, net | 3,266 |  |
Other components of net periodic benefit income | 0 | 0 | 0
Gain on the sale of non-performing loans | 0 |  |
Miscellaneous | 855 | 827 | 530
Noninterest Income | $ 6,033 | $ 3,065 | $ 955

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