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Fees related to third party insurance administration services

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Interchange electronic banking income

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Ongoing maintenance fees for deposit accounts

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Performance-based insurance commissions

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Promotional and usage electronic banking income

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Transactional-based fees for deposit accounts, including insufficient funds, overdrafts, stop payment fees, etc.

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Transactional-based fees included in other non-interest income

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Amount of the cumulative effect on retained earnings net of related income tax effect.

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Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

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Amount of deferred revenue recognized for transactions arising during the current reporting period. Deferred revenue is a liability as of the balance sheet date related to a revenue producing activity for which revenue has not yet been recognized. Generally, an Entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

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Amount of revenue recognized that was previously reported as deferred or unearned revenue.

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Income from agency and brokerage operations (includes sales of annuities and supplemental contracts); service charges, commissions, and fees from the sale of insurance and related services; and management fees from separate accounts, deferred annuities, and universal life products.

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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.

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Amount of liabilities classified as other.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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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.

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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.

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Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Revenue (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Jan. 01, 2018	Dec. 31, 2017
Cumulative Effect on Retained Earnings, Net of Tax			$ 3,100
Insurance income	$ 3,388	$ 3,345	11,412	$ 10,861
Accrued expenses and other liabilities	49,747		49,747			$ 39,254
Retained earnings (b)	152,976		152,976			134,362
Other non-interest income (a)	391	383	2,143	1,499
Deferred Revenue	4,554		4,554		$ 4,700	$ 4,700
Deferred Revenue, Additions			4,362
Deferred Revenue, Revenue Recognized			(4,508)
Commission and fees from sale of insurance policies	3,159		9,541
Fees related to third party insurance administration services	131		423
Performance-based insurance commissions	98		1,448
Interchange electronic banking income	2,464		7,248
Promotional and usage electronic banking income	426		1,212
Ongoing maintenance fees for deposit accounts	691		2,012
Transactional-based fees for deposit accounts	1,961		5,148
Transactional-based fees included in other non-interest income	228		772
Revenue from Contract with Customer, Excluding Assessed Tax	12,623		37,831
Accounting Standards Update 2014-09 [Member]
Cumulative Effect on Retained Earnings, Net of Tax			3,100
Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Accrued expenses and other liabilities	2,940		2,940
Retained earnings (b)	(2,940)		(2,940)
Other non-interest income (a)	101		146
Calculated under Revenue Guidance in Effect before Topic 606 [Member]
Insurance income	3,287		11,266
Accrued expenses and other liabilities	46,807		46,807
Retained earnings (b)	155,916		155,916
Transferred at Point in Time [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	2,642		7,985
Transferred over Time [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	9,981		29,846
Fiduciary and Trust [Member]
Revenue from Contract with Customer, Including Assessed Tax	3,110	2,838	9,410	8,497
Interest Rate Swap [Member] \| transaction fee [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 355	$ 76	$ 617	$ 995