The Company utilizes the guidance found in ASU 2014-09, Revenue from Contracts with Customers (ASC 606), when accounting for certain non-interest income. The core principle of this guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. Sufficient information should be provided to enable users of financial statements to understand the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. The Company’s revenue streams that are within the scope of and accounted for under Topic 606 include service charges on deposit accounts, debit card interchange fees, and fees levied for other services the Company provides its customers. The guidance does not apply to revenue associated with financial instruments such as loans and investments, and other non-interest income such as loan servicing fees and earnings on bank-owned life insurance, which are accounted for on an accrual basis under other provisions of GAAP. In total, approximately 24.6% of the Company’s revenue was outside of the scope of the ASC 606 as of March 31, 2019.

All of the company’s revenue from contracts in the scope of ASC 606 is recognized within noninterest income. The following table presents the Company’s sources of noninterest income for the three months ended March 31, 2019 and 2018. Items outside the scope of ASC 606 are noted as such (dollars in thousands, unaudited).

	For the three months ended March 31,
	2019			2018
Non-interest income
Service charges on deposits
Returned item and overdraft fees	$	1,567		$	1,567
Other service charges on deposits		1,376			1,379
Debit card interchange income		1,512			1,399
Loss on limited partnerships⁽¹⁾		(450	)		(405	)
Dividends on equity investments⁽¹⁾		231			225
Net gains on sale of securities⁽¹⁾		6			—
Other⁽¹⁾		1,664			968
Total non-interest income	$	5,906		$	5,133

⁽¹⁾	Not within scope of ASC 606. Revenue streams are not related to contract with customers and are accounted for on an accrual basis under other provisions of GAAP.

With regard to non-interest income associated with customer contracts, the Company has determined that transaction prices are fixed and performance obligations are satisfied as services are rendered, thus there is little or no judgment involved in the timing of revenue recognition under contracts that are within the scope of ASC 606.