Investment Securities (Tables)

3 Months Ended

Mar. 31, 2015

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 March 31, 2015, December 31, 2014 and March 31, 2014:

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
March 31, 2015
Available-For-Sale Securities,   at Amortized Cost	$	150,500	$	73,886	$	145,185	$	16,949	$	1,120	$	387,640
Available-For-Sale Securities,   at Fair Value	151,527		74,095		149,510		16,756		1,245		393,133
Gross Unrealized Gains	1,049		217		4,325		19		125		5,735
Gross Unrealized Losses	22		9		—		212		—		243
Available-For-Sale Securities,   Pledged as Collateral											284,708
Maturities of Debt Securities,   at Amortized Cost:
Within One Year	5,000		23,532		1,515		4,938				34,985
From 1 - 5 Years	145,500		48,471		122,340		11,010				327,321
From 5 - 10 Years	—		1,243		21,330		—				22,573
Over 10 Years	—		640		—		1,000				1,640
Maturities of Debt Securities,   at Fair Value:
Within One Year	5,005		23,573		1,532		4,947				35,057
From 1 - 5 Years	146,522		48,638		125,850		11,009				332,019
From 5 - 10 Years	—		1,244		22,128		—				23,372
Over 10 Years	—		640		—		800				1,440

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
Securities in a Continuous   Loss Position, at Fair Value:
Less than 12 Months	$	—	$	—	$	—	$	—	$	—	$	—
12 Months or Longer	13,937		6,581		22		5,702		—		26,242
Total	$	13,937	$	6,581	$	22	$	5,702	$	—	$	26,242
Number of Securities in a   Continuous Loss Position	46		7		31		22		—		106
Unrealized Losses on   Securities in a Continuous   Loss Position:
Less than 12 Months	$	—	$	—	$	—	$	—	$	—	$	—
12 Months or Longer	22		9		—		212		—		243
Total	$	22	$	9	$	—	$	212	$	—	$	243
December 31, 2014
Available-For-Sale Securities,   at Amortized Cost	$	137,540	$	81,582	$	124,732	$	16,988	$	1,120	$	361,962
Available-For-Sale Securities,   at Fair Value	137,603		81,730		128,827		16,725		1,254		366,139
Gross Unrealized Gains	208		187		4,100		7		134		4,636
Gross Unrealized Losses	145		39		5		270		—		459
Available-For-Sale Securities,   Pledged as Collateral											267,384
Securities in a Continuous   Loss Position, at Fair Value:
Less than 12 Months	$	39,631	$	3,309	$	82	$	—	$	—	$	43,022
12 Months or Longer	28,020		14,035		1,546		10,738		—		54,339
Total	$	67,651	$	17,344	$	1,628	$	10,738	$	—	$	97,361
Number of Securities in a   Continuous Loss Position	22		65		3		15		—		105
Unrealized Losses on   Securities in a Continuous   Loss Position:
Less than 12 Months	$	48	$	—	$	—	$	—	$	—	$	48
12 Months or Longer	97		39		5		270		—		411
Total	$	145	$	39	$	5	$	270	$	—	$	459
March 31, 2014
Available-For-Sale Securities,   at Amortized Cost	$	121,477	$	125,165	$	160,023	$	17,115	$	1,120	$	424,900
Available-For-Sale Securities,   at Fair Value	121,220		125,410		164,541		16,839		1,220		429,230
Gross Unrealized Gains	3		333		4,616		14		100		5,066
Gross Unrealized Losses	260		88		98		290		—		736
Available-For-Sale Securities,   Pledged as Collateral											329,039
Securities in a Continuous   Loss Position, at Fair Value:
Less than 12 Months	$	50,778	$	17,937	$	10,613	$	5,868	$	—	$	85,196
12 Months or Longer	6,124		3,653		4,063		3,392		—		17,232
Total	$	56,902	$	21,590	$	14,676	$	9,260	$	—	$	102,428

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
Number of Securities in a   Continuous Loss Position	16		87		9		13		—		125
Unrealized Losses on   Securities in a Continuous   Loss Position:
Less than 12 Months	$	222	$	72	$	81	$	50	$	—	$	425
12 Months or Longer	38		16		17		240		—		311
Total	$	260	$	88	$	98	$	290	$	—	$	736

Held-To-Maturity Securities [Table Text Block]

The following table is the schedule of Held-To-Maturity Securities at March 31, 2015, December 31, 2014 and March 31, 2014:

Held-To-Maturity Securities
	State and Municipal Obligations		Mortgage- Backed Securities - Residential		Corporate and Other Debt Securities		Total Held-To Maturity Securities
March 31, 2015
Held-To-Maturity Securities,   at Amortized Cost	$	195,951	$	108,224	$	1,000	$	305,175
Held-To-Maturity Securities,   at Fair Value	200,578		110,922		1,000		312,500
Gross Unrealized Gains	4,753		2,698		—		7,451
Gross Unrealized Losses	126		—		—		126
Held-To-Maturity Securities,   Pledged as Collateral							285,132
Maturities of Debt Securities,   at Amortized Cost:
Within One Year	35,926		—		—		35,926
From 1 - 5 Years	89,022		43,820		—		132,842
From 5 - 10 Years	67,708		64,404		—		132,112
Over 10 Years	3,295		—		1,000		4,295
Maturities of Debt Securities,   at Fair Value:
Within One Year	35,968		—		—		35,968
From 1 - 5 Years	91,192		44,816		—		136,008
From 5 - 10 Years	70,047		66,106		—		136,153
Over 10 Years	3,371		—		1,000		4,371
Securities in a Continuous   Loss Position, at Fair Value:
Less than 12 Months	$	—	$	—	$	—	$	—
12 Months or Longer	16,010		—		—		16,010
Total	$	16,010	$	—	$	—	$	16,010
Number of Securities in a   Continuous Loss Position	585		7		—		592
Unrealized Losses on   Securities in a Continuous   Loss Position:
Less than 12 Months	$	—	$	—	$	—	$	—
12 Months or Longer	126		—		—		126
Total	$	126	$	—	$	—	$	126

Held-To-Maturity Securities
	State and Municipal Obligations		Mortgage- Backed Securities - Residential		Corporate and Other Debt Securities		Total Held-To Maturity Securities
December 31, 2014
Held-To-Maturity Securities,   at Amortized Cost	$	188,472	$	112,552	$	1,000	$	302,024
Held-To-Maturity Securities,   at Fair Value	193,252		114,314		1,000		308,566
Gross Unrealized Gains	4,935		1,770		—		6,705
Gross Unrealized Losses	155		8		—		163
Held-To-Maturity Securities,   Pledged as Collateral							282,640
Securities in a Continuous   Loss Position, at Fair Value:
Less than 12 Months	$	2,143	$	4,581	$	—	$	6,724
12 Months or Longer	16,033		—		—		16,033
Total	$	18,176	$	4,581	$	—	$	22,757
Number of Securities in a   Continuous Loss Position	74		1		—		75
Unrealized Losses on   Securities in a Continuous   Loss Position:
Less than 12 Months	$	17	$	8	$	—	$	25
12 Months or Longer	138		—		—		138
Total	$	155	$	8	$	—	$	163
March 31, 2014
Held-To-Maturity Securities,   at Amortized Cost	$	190,847	$	125,785	$	1,000	$	317,632
Held-To-Maturity Securities,   at Fair Value	195,524		125,811		1,000		322,335
Gross Unrealized Gains	5,042		274		—		5,316
Gross Unrealized Losses	365		248		—		613
Held-To-Maturity Securities,   Pledged as Collateral							316,632
Securities in a Continuous   Loss Position, at Fair Value:
Less than 12 Months	$	19,696	$	43,049	$	—	$	62,745
12 Months or Longer	5,112		—		—		5,112
Total	$	24,808	$	43,049	$	—	$	67,857
Number of Securities in a   Continuous Loss Position	86		17		—		103
Unrealized Losses on   Securities in a Continuous   Loss Position:
Less than 12 Months	$	324	$	248	$	—	$	572
12 Months or Longer	41		—		—		41
Total	$	365	$	248	$	—	$	613