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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2013 | Jun. 30, 2012
Cash Flows From Operating Activities: |  |
Net income | $ 12,105 | $ 11,870
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 3,275 | 3,112
Net gains on sales of securities | (3,137) | (2,134)
Provision for loan losses | 500 | 800
Stock-based compensation expense | 918 | 702
Increase in income tax liability | 1,109 | 890
Increase in pension liability | 1,253 | 203
Other operating activities, net | (1,459) | 1,263
Net cash provided by operating activities | 14,564 | 16,706
Cash Flows From Investing Activities: |  |
Proceeds from sales of securities available-for-sale | 63,660 | 29,749
Proceeds from maturities of securities available-for-sale | 6,803 | 5,940
Purchase of securities available-for-sale | (16,030) | (49,042)
Net decrease (increase) in loans | 16,406 | (22,978)
Increase in payments in excess of funding | (10,451) | (7,763)
Purchases of premises and equipment, net | (2,284) | (768)
Environmental management acquisition |  | (7,798)
Net cash provided by (used in) investing activities | 58,104 | (52,660)
Cash Flows From Financing Activities: |  |
Net (decrease) increase in noninterest-bearing demand deposits | (8,237) | 605
Net decrease in interest-bearing demand and savings deposits | (9,519) | (27,722)
Net decrease in time deposits | (4,943) | (10,188)
Net increase (decrease) in accounts and drafts payable | 83,309 | (2,382)
Cash dividends paid | (4,135) | (3,531)
Distribution of stock awards, net | (378) | (128)
Net cash provided by (used in) financing activities | 56,097 | (43,346)
Net increase (decrease) in cash and cash equivalents | 128,765 | (79,300)
Cash and cash equivalents at beginning of period | 141,088 | 235,962
Cash and cash equivalents at end of period | 269,853 | 156,662
Supplemental information: |  |
Cash paid for interest | 1,398 | 1,624
Cash paid for income taxes | $ 2,991 | $ 3,373

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Balance Type: | debit
Period Type: | duration

X
- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration