Comprehensive Income and Accumulated Other Comprehensive Income (Tables)

9 Months Ended

Sep. 30, 2017

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 September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
	(in thousands)
Beginning balance	$	2,416		$	8,309		$	(492	)	$	2,587
Other comprehensive income (loss) before    reclassification		820			(1,589	)		4,032			4,286
Amounts reclassified from accumulated other    comprehensive income		(203	)		(124	)		(507	)		(277	)
Net current period other comprehensive    income (loss)		617			(1,713	)		3,525			4,009
Ending balance	$	3,033		$	6,596		$	3,033		$	6,596

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	Three Months Ended						Nine Months Ended						Affected line item in the
Comprehensive Income	September 30,						September 30,						statement of income
	2017			2016			2017			2016
	(in thousands)
Unrealized gains on available-for-    sale securities	$	312		$	191		$	780		$	426		Net realized gains (losses) on    investments
		312			191			780			426		Income before income taxes
		(109	)		(67	)		(273	)		(149	)	Income tax expense
	$	203		$	124		$	507		$	277		Net income