Investment Securities Available for Sale (Tables)

3 Months Ended

Mar. 31, 2014

Available-for-sale Securities [Abstract]

Available-for-sale Securities

The components of investment securities available for sale at March 31, 2014 were as follows:

	Cost		Gross Unrealized Gain		Gross Unrealized Loss			Fair Value
Marketable equity securities	$	54,042	$	71,684	$	(1,335	)	$	124,391
Marketable debt securities	54,862		2,042		(459		)	56,445
Total investment securities available for sale	$	108,904	$	73,726	$	(1,794	)	$	180,836

The components of investment securities available for sale at December 31, 2013 were as follows:

	Cost		Gross Unrealized Gain		Gross Unrealized Loss			Fair Value
Marketable equity securities	$	53,586	$	65,851	$	(963	)	$	118,474
Marketable debt securities	53,063		1,497		(500		)	54,060
Total investment securities available for sale	$	106,649	$	67,348	$	(1,463	)	$	172,534

Schedule of Maturity Dates of Fixed Income Securities

The table below summarizes the maturity dates of marketable debt securities at March 31, 2014.

Investment Type:	Market Value		Under 1 Year		1 Year up to 5 Years		More than 5 years
U.S. Government securities	$	14,970	$	5,216	$	9,754	$	—
Corporate securities	30,304		1,919		20,671		7,714
U.S. mortgage backed securities	219				219
Commercial mortgage-backed securities	6,705		427		6,278		—
U.S. asset backed securities	3,995		251		3,744
Index-linked U.S. bonds	252				252
Total marketable debt securities by maturity dates	$	56,445	$	7,813	$	40,918	$	7,714