Investment Securities (Tables)

6 Months Ended

Jun. 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 June 30, 2013, December 31, 2012 and June 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
June 30, 2013
Available-For-Sale Securities,   at Amortized Cost	$	151,199	$	131,154	$	197,775	$	17,219	$	1,120	$	498,467
Available-For-Sale Securities,   at Fair Value	150,046		130,444		203,230		16,711		1,143		501,574
Gross Unrealized Gains	—		135		5,586		—		23		5,744
Gross Unrealized Losses	1,153		845		131		508		—		2,637
Available-For-Sale Securities,   Pledged as Collateral											270,243
Maturities of Debt Securities, at Amortized Cost:
Within One Year	—		47,464		19,226		—				66,690
From 1 - 5 Years	151,199		80,191		168,347		16,219				415,956
From 5 - 10 Years	—		2,819		10,202		—				13,021
Over 10 Years	—		680		—		1,000				1,680
Maturities of Debt Securities, at Fair Value:
Within One Year	—		47,501		19,969		—				67,470
From 1 - 5 Years	150,046		79,434		172,421		15,911				417,812
From 5 - 10 Years	—		2,829		10,840		—				13,669
Over 10 Years	—		680		—		800				1,480
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	$	150,048	$	80,443	$	6,750	$	15,910	$	—	$	253,151
12 Months or Longer	—		4,228		—		800		—		5,028
Total	$	150,048	$	84,671	$	6,750	$	16,710	$	—	$	258,179
Number of Securities in a   Continuous Loss Position	47		347		3		22		—		419
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$	1,153	$	826	$	131	$	308	$	—	$	2,418

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
12 Months or Longer	—		19		—		200		—		219
Total	$	1,153	$	845	$	131	$	508	$	—	$	2,637
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
June 30, 2012
Available-For-Sale Securities,   at Amortized Cost	$	48,300	$	54,746	$	314,394	$	1,001	$	1,364	$	419,805
Available-For-Sale Securities,   at Fair Value	48,655		55,013		325,076		801		1,465		431,010
Gross Unrealized Gains	355		284		10,863		—		107		11,609
Gross Unrealized Losses	—		17		181		200		6		404
Available-For-Sale Securities,   Pledged as Collateral											184,631
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	$	—	$	8,637	$	23,477	$	800	$	—	$	32,914
12 Months or Longer	—		—		—		—		39		39
Total	$	—	$	8,637	$	23,477	$	800	$	39	$	32,953
Number of Securities in a   Continuous Loss Position	—		29		9		1		1		40
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$	—	$	17	$	181	$	200	$	—	$	398
12 Months or Longer	—		—		—		—		6		6
Total	$	—	$	17	$	181	$	200	$	6	$	404

Held-to-maturity Securities [Table Text Block]

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

Held-To-Maturity Securities
	State and Municipal Obligations		Mortgage- Backed Securities - Residential		Corporate and Other Debt Securities		Total Held-To Maturity Securities
June 30, 2013
Held-To-Maturity Securities,   at Amortized Cost	$	200,182	$	47,732	$	1,000	$	248,914
Held-To-Maturity Securities,   at Fair Value	204,153		47,538		1,000		252,691
Gross Unrealized Gains	4,833		8		—		4,841
Gross Unrealized Losses	862		202		—		1,064
Held-To-Maturity Securities,   Pledged as Collateral							247,914
Maturities of Debt Securities, at Amortized Cost:
Within One Year	53,463		—		—		53,463
From 1 - 5 Years	75,659		47,732		—		123,391
From 5 - 10 Years	67,248		—		—		67,248
Over 10 Years	3,812		—		1,000		4,812
Maturities of Debt Securities, at Fair Value:
Within One Year	53,490		—		—		53,490
From 1 - 5 Years	76,624		47,538		—		124,162
From 5 - 10 Years	70,091		—		—		70,091
Over 10 Years	3,948		—		1,000		4,948
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	$	39,598	$	42,813	$	—	$	82,411
12 Months or Longer	13,204		—		—		13,204
Total	$	52,802	$	42,813	$	—	$	95,615
Number of Securities in a   Continuous Loss Position	172		27		—		199
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$	712	$	203	$	—	$	915
12 Months or Longer	149		—		—		149
Total	$	861	$	203	$	—	$	1,064

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
June 30, 2012
Held-To-Maturity Securities,   at Amortized Cost	$	183,277	$	68,625	$	1,000	$	252,902
Held-To-Maturity Securities,   at Fair Value	191,297		69,277		1,000		261,574
Gross Unrealized Gains	8,055		652		—		8,707
Gross Unrealized Losses	35		—		—		35
Held-To-Maturity Securities,   Pledged as Collateral							251,902
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	$	14,908	$	—	$	—	$	14,908
12 Months or Longer	—		—		—		—
Total	$	14,908	$	—	$	—	$	14,908
Number of Securities in a   Continuous Loss Position	34		—		—		34
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$	35	$	—	$	—	$	35
12 Months or Longer	—		—		—		—
Total	$	35	$	—	$	—	$	35