Securities

The amortized cost and estimated fair value of securities available-for-sale and the corresponding amounts of gross unrealized gains and losses recognized in accumulated other comprehensive income were as follows:



	As of September 30, 2015
	Amortized cost		Gross unrealized holding gains		Gross unrealized holding losses			Estimated fair value
	(In Thousands)
Available-for-sale:
U.S. Government agency obligations - government-sponsored enterprises	$	8,047	$	29	$	(8	)	$	8,068
Municipal obligations	4,141		16		(3		)	4,154
Asset-backed securities	1,381		—		(56		)	1,325
Collateralized mortgage obligations - government issued	48,799		1,064		(70		)	49,793
Collateralized mortgage obligations - government-sponsored enterprises	80,001		481		(93		)	80,389
	$	142,369	$	1,590	$	(230	)	$	143,729



	As of December 31, 2014
	Amortized cost		Gross unrealized holding gains		Gross unrealized holding losses			Estimated fair value
	(In Thousands)
Available-for-sale:
U.S. Government agency obligations - government-sponsored enterprises	$	9,046	$	—	$	(81	)	$	8,965
Municipal obligations	573		5		—			578
Asset-backed securities	1,514		$	—	(4		)	1,510
Collateralized mortgage obligations - government issued	67,740		1,390		(256		)	68,874
Collateralized mortgage obligations - government-sponsored enterprises	64,763		234		(226		)	64,771
	$	143,636	$	1,629	$	(567	)	$	144,698

The amortized cost and estimated fair value of securities held-to-maturity and the corresponding amounts of gross unrecognized gains and losses were as follows:



	As of September 30, 2015
	Amortized cost		Gross unrecognized holding gains		Gross unrecognized holding losses			Estimated fair value
	(In Thousands)
Held-to-maturity:
U.S. Government agency obligations - government-sponsored enterprises	$	1,495	$	6	$	(4	)	$	1,497
Municipal obligations	16,050		196		(7		)	16,239
Collateralized mortgage obligations - government issued	12,391		118		(1		)	12,508
Collateralized mortgage obligations - government-sponsored enterprises	8,428		84		(12		)	8,500
	$	38,364	$	404	$	(24	)	$	38,744



	As of December 31, 2014
	Amortized cost		Gross unrecognized holding gains		Gross unrecognized holding losses			Estimated fair value
	(In Thousands)
Held-to-maturity:
U.S. Government agency obligations - government-sponsored enterprises	$	1,490	$	—	$	(17	)	$	1,473
Municipal obligations	16,088		85		(18		)	16,155
Collateralized mortgage obligations - government issued	14,505		57		(31		)	14,531
Collateralized mortgage obligations - government-sponsored enterprises	9,480		74		(19		)	9,535
	$	41,563	$	216	$	(85	)	$	41,694

U.S. Government agency obligations - government-sponsored enterprises represent securities issued by the Federal Home Loan Mortgage Corporation (“FHLMC”) and Federal National Mortgage Association (“FNMA”). Collateralized mortgage obligations - government issued represent securities guaranteed by the Government National Mortgage Association (“GNMA”). Collateralized mortgage obligations - government-sponsored enterprises include securities guaranteed by the FHLMC and the FNMA. Asset-backed securities represent securities issued by the Student Loan Marketing Association (“SLMA”) which are 97% guaranteed by the U.S. government. Municipal obligations include securities issued by various municipalities located primarily within the State of Wisconsin and are primarily general obligation bonds that are tax-exempt in nature. There were no sales of securities available-for-sale for the three and nine months ended September 30, 2015 and 2014.

At September 30, 2015 and December 31, 2014, securities with a fair value of $25.3 million and $32.7 million, respectively, were pledged to secure interest rate swap contracts, outstanding Federal Home Loan Bank (“FHLB”) advances, if any, and additional FHLB availability.

The amortized cost and estimated fair value of securities by contractual maturity at September 30, 2015 are shown below. Actual maturities may differ from contractual maturities because issuers have the right to call or prepay certain obligations without call or prepayment penalties.



	Available-for-Sale				Held-to-Maturity
	Amortized cost		Estimated fair value		Amortized cost		Estimated fair value
	(In Thousands)
Due in one year or less	$	—	$	—	$	—	$	—
Due in one year through five years	13,038		13,093		3,645		3,659
Due in five through ten years	85,139		85,966		13,400		13,565
Due in over ten years	44,192		44,670		21,319		21,520
	$	142,369	$	143,729	$	38,364	$	38,744

The tables below show the Corporation’s gross unrealized losses and fair value of available-for-sale investments with unrealized losses, aggregated by investment category and length of time that individual investments were in a continuous loss position at September 30, 2015 and December 31, 2014. At September 30, 2015 and December 31, 2014, the Corporation held 34 and 59 available-for-sale securities that were in an unrealized loss position, respectively. Such securities have not experienced credit rating downgrades; however, they have primarily declined in value due to the current interest rate environment. At September 30, 2015, the Corporation held 13 available-for-sale securities that had been in a continuous unrealized loss position for twelve months or greater.

The Corporation also has not specifically identified available-for-sale securities in a loss position that it intends to sell in the near term and does not believe that it will be required to sell any such securities. It is expected that the Corporation will recover the entire amortized cost basis of each security based upon an evaluation of the present value of the expected future cash flows. Accordingly, no other than temporary impairment was recorded in the Consolidated Statements of Income for the nine months ended September 30, 2015 and 2014.

A summary of unrealized loss information for securities available-for-sale, categorized by security type follows:



	As of September 30, 2015
	Less than 12 months				12 months or longer				Total
	Fair value		Unrealized losses		Fair value		Unrealized losses		Fair value		Unrealized losses
	(In Thousands)
Available-for-sale:
U.S. Government agency obligations - government-sponsored enterprises	$	998	$	1	$	2,744	$	7	$	3,742	$	8
Municipal obligations	745		3		—		—		745		3
Asset-backed securities	1,325		56		—		—		1,325		56
Collateralized mortgage obligations - government issued	—		1		5,997		69		5,997		70
Collateralized mortgage obligations - government-sponsored enterprises	21,636		64		2,573		29		24,209		93
	$	24,704	$	125	$	11,314	$	105	$	36,018	$	230



	As of December 31, 2014
	Less than 12 months				12 months or longer				Total
	Fair value		Unrealized losses		Fair value		Unrealized losses		Fair value		Unrealized losses
	(In Thousands)
Available-for-sale:
U.S. Government agency obligations - government-sponsored enterprises	$	3,486	$	12	$	5,479	$	69	$	8,965	$	81
Asset-backed securities	—		$	—	1,510		4		1,510		4
Collateralized mortgage obligations - government issued	9,201		50		9,536		206		18,737		256
Collateralized mortgage obligations - government-sponsored enterprises	29,498		97		4,993		129		34,491		226
	$	42,185	$	159	$	21,518	$	408	$	63,703	$	567

The tables below show the Corporation’s gross unrecognized losses and fair value of held-to-maturity investments, aggregated by investment category and length of time that individual investments were in a continuous loss position at September 30, 2015 and December 31, 2014. At September 30, 2015 and December 31, 2014, the Corporation held nine and 57 held-to-maturity securities that were in an unrecognized loss position, respectively. Such securities have not experienced credit rating downgrades; however, they have primarily declined in value due to the current interest rate environment. There were four held-to-maturity securities that were in a continuous unrecognized loss position for twelve months or greater as of September 30, 2015. It is expected that the Corporation will recover the entire amortized cost basis of each held-to-maturity security based upon an evaluation of the present value of the expected future cash flows. Accordingly, no other than temporary impairment was recorded in the Consolidated Statements of Income for the nine months ended September 30, 2015.

A summary of unrecognized loss information for securities held-to-maturity, categorized by security type follows:



	As of September 30, 2015
	Less than 12 months				12 months or longer				Total
	Fair value		Unrecognized losses		Fair value		Unrecognized losses		Fair value		Unrecognized losses
	(In Thousands)
Held-to-maturity:
U.S. Government agency obligations - government-sponsored enterprises	$	—	$	—	$	1,000	$	4	$	1,000	$	4
Municipal obligations	600		2		398		5		998		7
Collateralized mortgage obligations - government issued	663		1		—		—		663		1
Collateralized mortgage obligations - government-sponsored enterprises	2,058		12		—		—		2,058		12
	$	3,321	$	15	$	1,398	$	9	$	4,719	$	24



	As of December 31, 2014
	Less than 12 months				12 months or longer				Total
	Fair value		Unrecognized losses		Fair value		Unrecognized losses		Fair value		Unrecognized losses
	(In Thousands)
Held-to-maturity:
U.S. Government agency obligations - government-sponsored enterprises	$	1,490	$	17	$	—	$	—	$	1,490	$	17
Municipal obligations	2,222		18		—		—		2,222		18
Collateralized mortgage obligations - government issued	3,247		31		—		—		3,247		31
Collateralized mortgage obligations - government-sponsored enterprises	3,076		19		—		—		3,076		19
	$	10,035	$	85	$	—	$	—	$	10,035	$	85