Comprehensive Income and Accumulated Other Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2018

Equity [Abstract]

Schedule of Changes in Accumulated Other Comprehensive Income (AOCI)

The following table illustrates the changes in the balance of each component of accumulated other comprehensive income for each period presented in the interim financial statements.

	Three Months Ended March 31,
	2018			2017
	(in thousands)
Beginning balance	$	3,612		$	(492	)
Other comprehensive income (loss) before    reclassification		(5,634	)		978
Amounts reclassified from accumulated other    comprehensive income		(214	)		(26	)
Net current period other comprehensive    income (loss)		(5,848	)		952
Ending balance	$	(2,236	)	$	460

Reclassification Out of Accumulated Other Comprehensive Income

The effects of reclassifications out of accumulated other comprehensive income by the respective line items of net income are presented in the following table.

Component of Accumulated Other Comprehensive Income	Three Months Ended March 31,						Affected line item in the statement of income
	2018			2017
	(in thousands)
Unrealized gains on available-for-    sale securities	$	17		$	40		Net realized losses on investments
		17			40		Income before income taxes
		(57	)		(14	)	Income tax expense
	$	(40	)	$	26		Net income