Investments Fixed maturities by contractual periods (Tables)

6 Months Ended

Jun. 30, 2016

Schedule of Held-to-maturity Securities [Line Items]

Investments Classified by Contractual Maturity Date [Table Text Block]

(in thousands)	June 30, 2016
	Amortized Cost		Estimated Fair Value
Due in one year or less	$	8,686	$	8,702
Due after one year through five years	42,813		43,258
Due after five years through ten years	3,378		3,418
Due after ten years	7,520		7,625
Total	$	62,397	$	63,003

Schedule of Realized Gain (Loss) [Table Text Block]

(in thousands)	Three months ended June 30,					Six months ended June 30,
	2016			2015		2016			2015
Gross realized gains	$	214		$	53	$	248		$	53
Gross realized losses	(147		)	—		(352		)	—
Net realized gains (losses)	$	67		$	53	$	(104	)	$	53