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Revenue Recognition - Summary of Noninterest Income Segregated By Revenue Streams (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Noninterest income |  |  |  |
Total Noninterest Income | $ 4,390 | $ 4,101 | $ 10,006 | $ 9,237
Noninterest Income (in-scope of Topic 606) [Member] |  |  |  |
Noninterest income |  |  |  |
Noninterest Income | 3,561 | 3,416 | 8,521 | 8,070
Noninterest Income (out-of-scope of Topic 606) [Member] |  |  |  |
Noninterest income |  |  |  |
Total Noninterest Income | 829 | 685 | 1,485 | 1,167
Service Charges [Member] |  |  |  |
Noninterest income |  |  |  |
Noninterest Income | 1,359 | 1,387 | 2,493 | 2,432
Service Charges [Member] | Noninterest Income (in-scope of Topic 606) [Member] |  |  |  |
Noninterest income |  |  |  |
Noninterest Income | 1,359 | 1,387 | 2,493 | 2,432
ATM/Interchange Fees [Member] |  |  |  |
Noninterest income |  |  |  |
Noninterest Income | 588 | 567 | 1,142 | 1,076
ATM/Interchange Fees [Member] | Noninterest Income (in-scope of Topic 606) [Member] |  |  |  |
Noninterest income |  |  |  |
Noninterest Income | 588 | 567 | 1,142 | 1,076
Wealth Management Fees [Member] |  |  |  |
Noninterest income |  |  |  |
Noninterest Income | 836 | 738 | 1,688 | 1,445
Wealth Management Fees [Member] | Noninterest Income (in-scope of Topic 606) [Member] |  |  |  |
Noninterest income |  |  |  |
Noninterest Income | 836 | 738 | 1,688 | 1,445
Tax Refund Processing Fees [Member] |  |  |  |
Noninterest income |  |  |  |
Noninterest Income | 550 | 550 | 2,750 | 2,750
Tax Refund Processing Fees [Member] | Noninterest Income (in-scope of Topic 606) [Member] |  |  |  |
Noninterest income |  |  |  |
Noninterest Income | 550 | 550 | 2,750 | 2,750
Other [Member] |  |  |  |
Noninterest income |  |  |  |
Noninterest Income | 398 | 238 | 759 | 512
Other [Member] | Noninterest Income (in-scope of Topic 606) [Member] |  |  |  |
Noninterest income |  |  |  |
Noninterest Income | $ 228 | $ 174 | $ 448 | $ 367

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- Definition The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13) -URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260 + Details
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- Definition Amount, excluding 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
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