Held To Maturity Securities (Tables)

3 Months Ended

Sep. 30, 2013

Held to Maturity Securities [Abstract]

Contractual maturities of held-to-maturity securities

Listed below are the contractual maturities (under 1 year, 1-5 years, 6-10 years, and over 10 years) of held-to-maturity securities at September 30, 2013 and December 31, 2012:

				September 30, 2013				December 31, 2012
				Amortized		Fair		Amortized		Fair
(dollar amounts in thousands)				Cost		Value		Cost		Value
	Federal agencies: mortgage-backed securities:
		Under 1 year	$	---	$	---	$	---	$	---
		1-5 years		---		---		---		---
		6-10 years		24,901		22,764		24,901		24,739
		Over 10 years		2,096,322		2,083,669		1,624,483		1,672,702
	Total Federal agencies: mortgage-backed securities			2,121,223		2,106,433		1,649,384		1,697,441
	Other agencies:
		Under 1 year		---		---		---		---
		1-5 years		---		---		---		---
		6-10 years		39,346		39,206		15,108		15,338
		Over 10 years		66,222		62,749		69,399		71,341
	Total other agencies			105,568		101,955		84,507		86,679
Total U.S. Government backed agencies				2,226,791		2,208,388		1,733,891		1,784,120
Municipal securities:
	Under 1 year			---		---		---		---
	1-5 years			---		---		---		---
	6-10 years			---		---		---		---
	Over 10 years			9,330		8,971		9,985		9,985
Total municipal securities				9,330		8,971		9,985		9,985
Total held-to-maturity securities			$	2,236,121	$	2,217,359	$	1,743,876	$	1,794,105

Amortized cost, gross unrealized gains and losses, and fair value by investment category

The following table provides amortized cost, gross unrealized gains and losses, and fair value by investment category at September 30, 2013 and December 31, 2012:

					Unrealized
			Amortized		Gross		Gross		Fair
(dollar amounts in thousands)			Cost		Gains		Losses		Value
September 30, 2013
Federal Agencies:
	Mortgage-backed securities	$	2,121,223	$	13,534	$	(28,324)	$	2,106,433
	Other agencies		105,568		---		(3,613)		101,955
Total U.S. Government
	backed securities		2,226,791		13,534		(31,937)		2,208,388
Municipal securities			9,330		---		(359)		8,971
Total held-to-maturity securities		$	2,236,121	$	13,534	$	(32,296)	$	2,217,359
					Unrealized
			Amortized		Gross		Gross		Fair
(dollar amounts in thousands)			Cost		Gains		Losses		Value
December 31, 2012
Federal Agencies:
	Mortgage-backed securities	$	1,649,384	$	48,219	$	(162)	$	1,697,441
	Other agencies		84,507		2,172		---		86,679
Total U.S. Government
	backed securities		1,733,891		50,391		(162)		1,784,120
Municipal securities			9,985		---		---		9,985
Total held-to-maturity securities		$	1,743,876	$	50,391	$	(162)	$	1,794,105