CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME/(LOSS) (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Pension and other post retirement obligations:
Amortization of actuarial (gains)/losses included in net periodic pension cost, gross	$ (79)	$ 1,011	$ (235)	$ 3,032
Tax effect	31	(392)	92	(1,176)
Amortization of actuarial (gains)/losses included in net periodic pension cost, net	(48)	619	(143)	1,856
Amortization of prior service cost included in net periodic pension cost, gross	(43)	(30)	(130)	(91)
Tax effect	17	11	51	35
Amortization of prior service cost included in net periodic pension cost, net	(26)	(19)	(79)	(56)
Other comprehensive income related to pension and other post retirement obligations, net of taxes	(74)	600	(222)	1,800
Unrealized gains/(losses) on available-for-sale securities:
Net unrealized holding gain/(loss) arising during period, gross	(1,808)	(1,852)	75,214	(71,501)
Tax effect	710	567	(27,776)	26,746
Net unrealized holding gain/(loss) arising during period, net	(1,098)	(1,285)	47,438	(44,755)
Reclassification adjustment for net gains included in net income, gross	0	0	0	(63,799)
Tax effect	0	0	0	24,019
Reclassification adjustment for net gains included in net income, net	0	0	0	(39,780)
Other comprehensive gain/(loss) related to unrealized gain/(loss) on available-for-sale securities, net of taxes	(1,098)	(1,285)	47,438	(84,535)
Other comprehensive income/(loss), net of tax	(1,172)	(685)	47,216	(82,735)
Net income	22,371	21,989	68,220	63,352
Comprehensive income/(loss)	21,199	21,304	115,436	(19,383)
Accumulated Other Comprehensive Income By Component:
Unrealized loss for pension and other postretirement obligations	(11,704)		(11,704)		(11,339)
Tax effect	4,336		4,336		4,194
Net unrealized loss for pension and other postretirement obligations	(7,368)		(7,368)		(7,145)
Unrealized gain/(loss) on available-for-sale securities	44,214		44,214		(31,002)
Tax effect	(16,176)		(16,176)		11,601
Net unrealized gain/(loss) on available-for-sale securities	28,038		28,038		(19,401)
Accumulated other comprehensive income /(loss)	$ 20,670		$ 20,670		$ (26,546)