Comprehensive Income and Accumulated Other Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2019

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,
	2019			2018
	(in thousands)
Beginning balance	$	(832	)	$	3,612
Other comprehensive income (loss) before    reclassification		5,981			(5,634	)
Amounts reclassified from accumulated other    comprehensive income		11			(214	)
Change in deferred tax valuation allowance		(198	)		—
Net current period other comprehensive    income (loss)		5,794			(5,848	)
Ending balance	$	4,962		$	(2,236	)

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
	2019			2018
	(in thousands)
Unrealized gains (losses) on available-for-    sale securities	$	(14	)	$	17		Net realized gains (losses) on investments
		(14	)		17		Income before income taxes
		3			(57	)	Income tax expense
	$	(11	)	$	(40	)	Net income