Investment Securities (Tables)

3 Months Ended

Mar. 31, 2016

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, 2016, December 31, 2015 and March 31, 2015:

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, 2016
Available-For-Sale Securities,   at Amortized Cost	$	155,896	$	49,382	$	164,905	$	11,903	$	1,120	$	383,206
Available-For-Sale Securities,   at Fair Value	157,646		49,543		168,110		11,715		1,233		388,247
Gross Unrealized Gains	1,750		161		3,224		15		113		5,263
Gross Unrealized Losses	—		—		19		203		—		222
Available-For-Sale Securities,   Pledged as Collateral											328,123
Maturities of Debt Securities,   at Amortized Cost:
Within One Year	—		23,325		12,648		3,734				39,707
From 1 - 5 Years	155,896		24,550		137,705		7,169				325,320
From 5 - 10 Years	—		907		14,486		—				15,393
Over 10 Years	—		600		66		1,000				1,666
Maturities of Debt Securities,   at Fair Value:
Within One Year	—		23,341		12,806		3,736				39,883
From 1 - 5 Years	157,646		24,695		140,200		7,179				329,720
From 5 - 10 Years	—		907		15,033		—				15,940
Over 10 Years	—		600		71		800				1,471

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	$	—	$	1,766	$	10,603	$	—	$	—	$	12,369
12 Months or Longer	—		—		—		1,797		—		1,797
Total	$	—	$	1,766	$	10,603	$	1,797	$	—	$	14,166
Number of Securities in a   Continuous Loss Position	—		2		9		1		—		12
Unrealized Losses on   Securities in a Continuous   Loss Position:
Less than 12 Months	$	—	$	—	$	19	$	—	$	—	$	19
12 Months or Longer	—		—		—		203		—		203
Total	$	—	$	—	$	19	$	203	$	—	$	222
December 31, 2015
Available-For-Sale Securities,   at Amortized Cost	$	155,932	$	52,306	$	177,376	$	14,544	$	1,120	$	401,278
Available-For-Sale Securities,   at Fair Value	155,782		52,408		178,588		14,299		1,232		402,309
Gross Unrealized Gains	264		105		2,236		—		112		2,717
Gross Unrealized Losses	414		3		1,024		245		—		1,686
Available-For-Sale Securities,   Pledged as Collateral											310,857
Securities in a Continuous   Loss Position, at Fair Value:
Less than 12 Months	$	76,802	$	4,289	$	99,569	$	3,616	$	—	$	184,276
12 Months or Longer	—		1,443		903		10,671		—		13,017
Total	$	76,802	$	5,732	$	100,472	$	14,287	$	—	$	197,293
Number of Securities in a   Continuous Loss Position	21		19		30		19		—		89
Unrealized Losses on   Securities in a Continuous   Loss Position:
Less than 12 Months	$	413	$	2	$	1,023	$	2	$	—	$	1,440
12 Months or Longer	1		1		1		243		—		246
Total	$	414	$	3	$	1,024	$	245	$	—	$	1,686
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
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

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	$	—	$	—	$	—	$	—	$	—	$	—
12 Months or Longer	22		9		—		212		—		243
Total	$	22	$	9	$	—	$	212	$	—	$	243

Held-To-Maturity Securities [Table Text Block]

The following table is the schedule of Held-To-Maturity Securities at March 31, 2016, December 31, 2015 and March 31, 2015:

Held-To-Maturity Securities
	State and Municipal Obligations		Mortgage- Backed Securities - Residential		Corporate and Other Debt Securities		Total Held-To Maturity Securities
March 31, 2016
Held-To-Maturity Securities,   at Amortized Cost	$	224,831	$	89,453	$	1,000	$	315,284
Held-To-Maturity Securities,   at Fair Value	231,598		91,739		1,000		324,337
Gross Unrealized Gains	6,769		2,292		—		9,061
Gross Unrealized Losses	2		6		—		8
Held-To-Maturity Securities,   Pledged as Collateral							299,767
Maturities of Debt Securities,   at Amortized Cost:
Within One Year	38,848		—		—		38,848
From 1 - 5 Years	88,146		51,649		—		139,795
From 5 - 10 Years	93,810		37,804		—		131,614
Over 10 Years	4,027		—		1,000		5,027
Maturities of Debt Securities,   at Fair Value:
Within One Year	38,909		—		—		38,909
From 1 - 5 Years	90,744		52,840		—		143,584
From 5 - 10 Years	97,780		38,899		—		136,679
Over 10 Years	4,165		—		1,000		5,165
Securities in a Continuous   Loss Position, at Fair Value:
Less than 12 Months	$	648	$	3,645	$	—	$	4,293
12 Months or Longer	658		—		—		658
Total	$	1,306	$	3,645	$	—	$	4,951
Number of Securities in a   Continuous Loss Position	7		1		—		8
Unrealized Losses on   Securities in a Continuous   Loss Position:
Less than 12 Months	$	—	$	6	$	—	$	6
12 Months or Longer	2		—		—		2
Total	$	2	$	6	$	—	$	8

Held-To-Maturity Securities
	State and Municipal Obligations		Mortgage- Backed Securities - Residential		Corporate and Other Debt Securities		Total Held-To Maturity Securities
December 31, 2015
Held-To-Maturity Securities,   at Amortized Cost	$	226,053	$	93,558	$	1,000	$	320,611
Held-To-Maturity Securities,   at Fair Value	230,621		94,309		1,000		325,930
Gross Unrealized Gains	4,619		868		—		5,487
Gross Unrealized Losses	51		117		—		168
Held-To-Maturity Securities,   Pledged as Collateral							299,767
Securities in a Continuous   Loss Position, at Fair Value:
Less than 12 Months	$	2,302	$	6,000	$	—	$	8,302
12 Months or Longer	11,764		4,154		—		15,918
Total	$	14,066	$	10,154	$	—	$	24,220
Number of Securities in a   Continuous Loss Position	54		8		—		62
Unrealized Losses on   Securities in a Continuous   Loss Position:
Less than 12 Months	$	11	$	93	$	—	$	104
12 Months or Longer	40		24		—		64
Total	$	51	$	117	$	—	$	168
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
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