CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Statement of Stockholders' Equity [Abstract]
Contribution to ESOP shares (shares)	30,975	36,149	36,368
Cash Dividends (in dollars per share)	$ 1.00	$ 0.98	$ 0.98