CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	James & Sons Insurance [Member]	Ohio Legacy Corp. [Member]	Common Stock [Member]	Common Stock [Member] James & Sons Insurance [Member]	Common Stock [Member] Ohio Legacy Corp. [Member]	Retained Earnings [Member]	Retained Earnings [Member] James & Sons Insurance [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Treasury Stock [Member] James & Sons Insurance [Member]	Treasury Stock [Member] Ohio Legacy Corp. [Member]
Balance at Dec. 31, 2014	$ 240,135			$ 174,385			$ 128,512		$ (19,998)	$ (42,764)
Balance, shares at Dec. 31, 2014				49,239,004
Net income	16,282						16,282
Other comprehensive income (loss)	778								778
Stock option exercises, value	28						(95)			123
Stock option exercises, shares				14,200
Stock option expense	24			$ 24
Restricted stock grants, value				$ (867)			(524)			1,391
Restricted stock grants, shares				162,711
Restricted stock forfeitures, value	(56)			$ 6			13			(75)
Restricted stock forfeitures, shares				(11,954)
Restricted stock expense	756			$ 756
Cash dividend payments	(3,369)						(3,369)
Treasury stock purchases, value	(10,333)									(10,333)
Treasury stock purchases, shares				(1,886,317)
Balance at Dec. 31, 2015	244,245			$ 174,304			140,819		(19,220)	(51,658)
Balance, shares at Dec. 31, 2015				47,517,644
Net income	18,828						18,828
Other comprehensive income (loss)	(1,820)								(1,820)
Stock option exercises, value	517						(983)			1,500
Stock option exercises, shares				199,905
Stock option expense	9			$ 9
Restricted stock grants, value				$ (1,214)			(330)			1,544
Restricted stock grants, shares				200,856
Restricted stock forfeitures, value				$ 13			14			(27)
Restricted stock forfeitures, shares				(2,928)
Restricted stock expense	970			$ 970
Tax benefit of stock option exercises and restricted stock vesting	278			$ 278
Purchase of shares, value		$ 1,547						$ (501)			$ 2,048
Purchase of shares, shares					262,705
Cash dividend payments	(5,172)						(5,172)
Treasury stock purchases, value	(9,596)									(9,596)
Treasury stock purchases, shares				(1,596,812)
Balance at Dec. 31, 2016	249,806			$ 174,360			152,675		(21,040)	(56,189)
Balance, shares at Dec. 31, 2016				46,581,370
Net income	21,785						21,785
Other comprehensive income (loss)	2,707								2,707
Reclassification of the disproportionate tax effect in accumulated other comprehensive income to retained earnings due to early adoption of ASU 2018-02 | Accounting Standards Update 2018-02 [Member]	(352)						352		(352)
Stock option exercises, value	$ 279			$ (542)						821
Stock option exercises, shares	110,085			110,085
Stock option expense	$ 1			$ 1
Restricted stock grants, value				$ (660)						660
Restricted stock grants, shares				88,681
Restricted stock expense	951			$ 951
Vesting of Long-term Incentive Plan, value	597			$ 87						510
Vesting of Long-term Incentive Plan, shares				68,783
Purchase of shares, value			$ 25,816			$ 3,261						$ 22,555
Purchase of shares, shares						3,033,604
Cash dividend payments	(6,960)						(6,960)
Treasury stock purchases, value	(717)									(717)
Treasury stock purchases, shares				(82,397)
Balance at Dec. 31, 2017	$ 294,265			$ 177,458			$ 167,852		$ (18,685)	$ (32,360)
Balance, shares at Dec. 31, 2017				49,800,126