Investment Securities (Tables)

9 Months Ended

Sep. 30, 2013

Investments, Debt and Equity Securities [Abstract]

Available-for-sale Securities [Table Text Block]

The following table is the schedule of Available-For-Sale Securities at September 30, 2013, December 31, 2012 and September 30, 2012:

Available-For-Sale Securities
	U.S. Agency Obligations		State and Municipal Obligations		Mortgage- Backed Securities - Residential		Corporate and Other Debt Securities		Mutual Funds and Equity Securities		Total Available- For-Sale Securities
September 30, 2013
Available-For-Sale Securities,   at Amortized Cost	$	150,184	$	134,059	$	179,235	$	17,180	$	1,120	$	481,778
Available-For-Sale Securities,   at Fair Value	149,774		133,919		185,215		16,798		1,182		486,888
Gross Unrealized Gains	2		175		6,041		—		62		6,280
Gross Unrealized Losses	412		315		61		382		—		1,170
Available-For-Sale Securities,   Pledged as Collateral											314,693
Maturities of Debt Securities, at Amortized Cost:
Within One Year	—		53,557		20,825		—				74,382
From 1 - 5 Years	150,184		77,849		149,147		16,180				393,360
From 5 - 10 Years	—		1,973		9,263		—				11,236
Over 10 Years	—		680		—		1,000				1,680
Maturities of Debt Securities, at Fair Value:
Within One Year	—		53,590		21,390		—				74,980
From 1 - 5 Years	149,774		77,644		153,984		15,998				397,400
From 5 - 10 Years	—		2,005		9,841		—				11,846
Over 10 Years	—		680		—		800				1,480
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	$	105,517	$	58,710	$	8,482	$	15,998	$	—	$	188,707
12 Months or Longer	4,992		3,513		—		800		—		9,305
Total	$	110,509	$	62,223	$	8,482	$	16,798	$	—	$	198,012
Number of Securities in a   Continuous Loss Position	30		230		4		22		—		286

Available-For-Sale Securities
	U.S. Agency Obligations		State and Municipal Obligations		Mortgage- Backed Securities - Residential		Corporate and Other Debt Securities		Mutual Funds and Equity Securities		Total Available- For-Sale Securities
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$	405	$	304	$	61	$	182	$	—	$	952
12 Months or Longer	7		11		—		200		—		218
Total	$	412	$	315	$	61	$	382	$	—	$	1,170
December 31, 2012
Available-For-Sale Securities,   at Amortized Cost	$	122,297	$	84,798	$	252,480	$	8,689	$	1,120	$	469,384
Available-For-Sale Securities,   at Fair Value	122,457		84,838		261,804		8,451		1,148		478,698
Gross Unrealized Gains	204		206		9,405		—		28		9,843
Gross Unrealized Losses	44		166		81		238		—		529
Available-For-Sale Securities,   Pledged as Collateral											260,292
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	$	72,531	$	46,627	$	10,230	$	8,451	$	—	$	137,839
12 Months or Longer	—		2,149		4,968		—		—		7,117
Total	$	72,531	$	48,776	$	15,198	$	8,451	$	—	$	144,956
Number of Securities in a   Continuous Loss Position	22		198		7		11		—		238
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$	44	$	160	$	50	$	238	$	—	$	492
12 Months or Longer	—		6		31		—		—		37
Total	$	44	$	166	$	81	$	238	$	—	$	529
September 30, 2012
Available-For-Sale Securities,   at Amortized Cost	$	56,054	$	62,706	$	292,716	$	1,000	$	1,120	$	413,596
Available-For-Sale Securities,   at Fair Value	56,391		62,965		304,085		800		1,175		425,416
Gross Unrealized Gains	337		285		11,549		—		55		12,226
Gross Unrealized Losses	—		26		180		200		—		406
Available-For-Sale Securities,   Pledged as Collateral											277,357
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	$	4,999	$	17,432	$	18,825	$	800	$	—	$	42,056
12 Months or Longer	—		—		—		—		—		—
Total	$	4,999	$	17,432	$	18,825	$	800	$	—	$	42,056
Number of Securities in a   Continuous Loss Position	1		73		7		1		—		82
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$	—	$	26	$	180	$	200	$	—	$	406
12 Months or Longer	—		—		—		—		—		—
Total	$	—	$	26	$	180	$	200	$	—	$	406

Held-to-maturity Securities [Table Text Block]

The following table is the schedule of Held-To-Maturity Securities at September 30, 2013, December 31, 2012 and September 30, 2012:

Held-To-Maturity Securities
	State and Municipal Obligations		Mortgage- Backed Securities - Residential		Corporate and Other Debt Securities		Total Held-To Maturity Securities
September 30, 2013
Held-To-Maturity Securities,   at Amortized Cost	$	194,065	$	78,561	$	1,000	$	273,626
Held-To-Maturity Securities,   at Fair Value	198,548		78,842		1,000		278,390
Gross Unrealized Gains	5,018		314		—		5,332
Gross Unrealized Losses	535		33		—		568
Held-To-Maturity Securities,   Pledged as Collateral							272,626
Maturities of Debt Securities, at Amortized Cost:
Within One Year	45,615		—		—		45,615
From 1 - 5 Years	80,848		44,388		—		125,236
From 5 - 10 Years	64,057		34,173		—		98,230
Over 10 Years	3,545		—		1,000		4,545
Maturities of Debt Securities, at Fair Value:
Within One Year	45,665		—		—		45,665
From 1 - 5 Years	82,492		44,669		—		127,161
From 5 - 10 Years	66,734		34,173		—		100,907
Over 10 Years	3,657		—		1,000		4,657
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	$	27,814	$	29,714	$	—	$	57,528
12 Months or Longer	171		—		—		171
Total	$	27,985	$	29,714	$	—	$	57,699
Number of Securities in a   Continuous Loss Position	97		13		—		110
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$	532	$	33	$	—	$	565
12 Months or Longer	2		—		—		2
Total	$	534	$	33	$	—	$	567

Held-To-Maturity Securities
	State and Municipal Obligations		Mortgage- Backed Securities - Residential		Corporate and Other Debt Securities		Total Held-To Maturity Securities
December 31, 2012
Held-To-Maturity Securities,   at Amortized Cost	$	183,373	$	55,430	$	1,000	$	239,803
Held-To-Maturity Securities,   at Fair Value	191,196		56,056		1,000		248,252
Gross Unrealized Gains	7,886		626		—		8,512
Gross Unrealized Losses	63		—		—		63
Held-To-Maturity Securities,   Pledged as Collateral							238,803
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	$	21,583	$	—	$	—	$	21,583
12 Months or Longer	503		—		—		503
Total	$	22,086	$	—	$	—	$	22,086
Number of Securities in a   Continuous Loss Position	61		—		—		61
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$	62	$	—	$	—	$	62
12 Months or Longer	1		—		—		1
Total	$	63	$	—	$	—	$	63
September 30, 2012
Held-To-Maturity Securities,   at Amortized Cost	$	179,412	$	64,537	$	1,000	$	244,949
Held-To-Maturity Securities,   at Fair Value	188,127		65,809		1,000		254,936
Gross Unrealized Gains	8,718		1,272		—		9,990
Gross Unrealized Losses	3		—		—		3
Held-To-Maturity Securities,   Pledged as Collateral							243,949
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	$	3,165	$	—	$	—	$	3,165
12 Months or Longer	—		—		—		—
Total	$	3,165	$	—	$	—	$	3,165
Number of Securities in a   Continuous Loss Position	9		—		—		9
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$	3	$	—	$	—	$	3
12 Months or Longer	—		—		—		—
Total	$	3	$	—	$	—	$	3